{"schemaVersion":1,"license":"https://creativecommons.org/licenses/by/4.0/","attribution":"BuyPerUnit Price Per Unit Index (https://www.buyperunit.com/price-index)","methodologyUrl":"https://www.buyperunit.com/methodology#price-index","generatedAt":"2026-09-22T04:05:26.638Z","filters":{"month":null,"category":"hard-drives"},"definitions":{"median_ppu":"Median of per-listing monthly medians of the daily-minimum price per unit","p10_ppu":"10th percentile of the same per-listing medians (the floor)","matched_mom_pct":"Median percent change over listings present in both this month and the previous one","coverage":"'dense' = weekly snapshot of every in-stock listing plus price-change events; 'sparse' = events only","is_final":"true once the month is closed; provisional rows can still move"},"rowCount":41,"rows":[{"month":"2026-02","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":10,"product_count":10,"median_ppu":0.034623,"p10_ppu":0.023574,"p25_ppu":0.02628,"p75_ppu":0.043433,"min_ppu":0.022,"min_product":{"listing_id":"ec6736ba-3d73-4bb3-b6eb-13a2bd562998","product_id":"42729526-9406-425a-a56f-ebc646c20aee","name":"WD - easystore 20TB External USB 3.0 Hard Drive - Black","brand":"Western Digital","retailer":"bestbuy","price":439.99,"ppu":0.022,"days_observed":3,"url":"https://www.buyperunit.com/product/42729526-9406-425a-a56f-ebc646c20aee"},"matched_count":0,"matched_mom_pct":null,"movers":null,"coverage":"sparse","is_final":true,"computed_at":"2026-09-22T01:49:54.241018+00:00"},{"month":"2026-03","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":32,"product_count":32,"median_ppu":0.059495,"p10_ppu":0.029212,"p25_ppu":0.036873,"p75_ppu":0.066115,"min_ppu":0.02252,"min_product":{"listing_id":"0d60ccd2-9731-44a8-9a8f-6fe727389665","product_id":"a8b1c2d9-1e15-4686-a899-5267aff8f317","name":"WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN","brand":"Western Digital","retailer":"amazon","price":360.31,"ppu":0.02252,"days_observed":6,"url":"https://www.buyperunit.com/product/a8b1c2d9-1e15-4686-a899-5267aff8f317"},"matched_count":4,"matched_mom_pct":19.823,"movers":{"drops":[],"rises":[{"product_id":"53236239-2655-4b34-b40b-32412efc8f17","name":"Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA","brand":"TOSHIBA","ppu":0.07872,"prev_ppu":0.0625,"pct":26},{"product_id":"86a5a7a5-f5b8-476c-af64-814e31809364","name":"Toshiba Canvio Basics 1TB Portable External Hard Drive USB 3.0, Black - HDTB510XK3AA","brand":"TOSHIBA","ppu":0.079,"prev_ppu":0.064,"pct":23.4}]},"coverage":"sparse","is_final":true,"computed_at":"2026-09-22T01:49:54.477486+00:00"},{"month":"2026-03","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":10,"product_count":10,"median_ppu":0.06524,"p10_ppu":0.059891,"p25_ppu":0.06449,"p75_ppu":0.067998,"min_ppu":0.059,"min_product":{"listing_id":"b9de64ef-9825-450d-9a61-5253405a721c","product_id":"03d097b0-8f33-43a0-8895-058db53f6758","name":"Constellation ES ST1000NM0011 1 TB Internal Hard Drive","brand":"Seagate","retailer":"amazon","price":59,"ppu":0.059,"days_observed":1,"url":"https://www.buyperunit.com/product/03d097b0-8f33-43a0-8895-058db53f6758"},"matched_count":1,"matched_mom_pct":23.438,"movers":null,"coverage":"sparse","is_final":true,"computed_at":"2026-09-22T01:49:54.477486+00:00"},{"month":"2026-03","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":5,"product_count":5,"median_ppu":0.034998,"p10_ppu":0.030498,"p25_ppu":0.031248,"p75_ppu":0.037498,"min_ppu":0.029998,"min_product":{"listing_id":"3a68e49b-fe97-4fe7-8d49-a348f36ef9a8","product_id":"9e05d2fb-6c68-46b5-9785-ac848b2971bb","name":"WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5\" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty","brand":"GoHardDrive","retailer":"amazon","price":119.99,"ppu":0.029998,"days_observed":1,"url":"https://www.buyperunit.com/product/9e05d2fb-6c68-46b5-9785-ac848b2971bb"},"matched_count":1,"matched_mom_pct":16.208,"movers":null,"coverage":"sparse","is_final":true,"computed_at":"2026-09-22T01:49:54.477486+00:00"},{"month":"2026-04","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":77,"product_count":76,"median_ppu":0.05449,"p10_ppu":0.032432,"p25_ppu":0.038332,"p75_ppu":0.06589,"min_ppu":0.022142,"min_product":{"listing_id":"39e1ee36-b891-41d2-866a-e97fa712557e","product_id":"5393e18d-779d-4f3f-be7e-645c37392719","name":"Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)","brand":"Avolusion","retailer":"amazon","price":309.99,"ppu":0.022142,"days_observed":3,"url":"https://www.buyperunit.com/product/5393e18d-779d-4f3f-be7e-645c37392719"},"matched_count":28,"matched_mom_pct":6.528,"movers":{"drops":[],"rises":[{"product_id":"bc6b9cf4-3263-47d6-b22e-f52afc7ed543","name":"WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black","brand":"Western Digital","ppu":0.035998,"prev_ppu":0.027998,"pct":28.6},{"product_id":"a8b1c2d9-1e15-4686-a899-5267aff8f317","name":"WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN","brand":"Western Digital","ppu":0.028861,"prev_ppu":0.02252,"pct":28.2},{"product_id":"a2c7bb93-15cd-4fd1-aee4-19ee6fe9b699","name":"SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray","brand":"G-DRIVE","ppu":0.052498,"prev_ppu":0.042123,"pct":24.6},{"product_id":"f5d8734a-3f88-4e0f-9318-5fb51e916074","name":"WD - Easystore 6TB External USB 3.2 Gen 1 Portable Hard Drive - Black","brand":"Western Digital","ppu":0.035832,"prev_ppu":0.029165,"pct":22.9},{"product_id":"574c5fb6-0fae-49b2-a05f-d52e70aa97a9","name":"Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5\"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue)","brand":"Western Digital","ppu":0.084,"prev_ppu":0.077,"pct":9.1}]},"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:54.752543+00:00"},{"month":"2026-04","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":18,"product_count":18,"median_ppu":0.0676,"p10_ppu":0.057927,"p25_ppu":0.05999,"p75_ppu":0.074374,"min_ppu":0.053,"min_product":{"listing_id":"5e9d8588-7667-4716-8269-5f9b3e568e17","product_id":"b67bf30b-5dcd-411a-b60a-015222a456eb","name":"Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003)","brand":"Seagate","retailer":"amazon","price":53,"ppu":0.053,"days_observed":7,"url":"https://www.buyperunit.com/product/b67bf30b-5dcd-411a-b60a-015222a456eb"},"matched_count":7,"matched_mom_pct":3.101,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:54.752543+00:00"},{"month":"2026-04","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":7,"product_count":7,"median_ppu":0.059995,"p10_ppu":0.050697,"p25_ppu":0.057498,"p75_ppu":0.061245,"min_ppu":0.0405,"min_product":{"listing_id":"e41e37cb-f317-450c-8222-d323b60f121c","product_id":"2a6d1980-2c21-4ebe-aef2-6ec2f72922c2","name":"Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 64 MB Cache, 3.5\" - WD20EZRZ","brand":"Western Digital","retailer":"amazon","price":81,"ppu":0.0405,"days_observed":2,"url":"https://www.buyperunit.com/product/2a6d1980-2c21-4ebe-aef2-6ec2f72922c2"},"matched_count":3,"matched_mom_pct":19.049,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:54.752543+00:00"},{"month":"2026-04","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":10,"product_count":10,"median_ppu":0.041749,"p10_ppu":0.032498,"p25_ppu":0.035311,"p75_ppu":0.043279,"min_ppu":0.032498,"min_product":{"listing_id":"3a68e49b-fe97-4fe7-8d49-a348f36ef9a8","product_id":"9e05d2fb-6c68-46b5-9785-ac848b2971bb","name":"WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5\" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty","brand":"GoHardDrive","retailer":"amazon","price":129.99,"ppu":0.032498,"days_observed":1,"url":"https://www.buyperunit.com/product/9e05d2fb-6c68-46b5-9785-ac848b2971bb"},"matched_count":5,"matched_mom_pct":16.668,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:54.752543+00:00"},{"month":"2026-04","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":5,"product_count":5,"median_ppu":0.034999,"p10_ppu":0.02984,"p25_ppu":0.029994,"p75_ppu":0.037499,"min_ppu":0.029738,"min_product":{"listing_id":"b168290e-4bae-489b-815f-9b0c154a5159","product_id":"6d1ad326-13a4-4d15-a5a8-4b4f3ab47c6f","name":"Western Digital 8TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0080HBK-NESN","brand":"Western Digital","retailer":"amazon","price":237.9,"ppu":0.029738,"days_observed":25,"url":"https://www.buyperunit.com/product/6d1ad326-13a4-4d15-a5a8-4b4f3ab47c6f"},"matched_count":1,"matched_mom_pct":0.364,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:54.752543+00:00"},{"month":"2026-05","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":87,"product_count":86,"median_ppu":0.0585,"p10_ppu":0.032713,"p25_ppu":0.039831,"p75_ppu":0.0694,"min_ppu":0.023214,"min_product":{"listing_id":"39e1ee36-b891-41d2-866a-e97fa712557e","product_id":"5393e18d-779d-4f3f-be7e-645c37392719","name":"Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)","brand":"Avolusion","retailer":"amazon","price":324.99,"ppu":0.023214,"days_observed":2,"url":"https://www.buyperunit.com/product/5393e18d-779d-4f3f-be7e-645c37392719"},"matched_count":70,"matched_mom_pct":4.811,"movers":{"drops":[{"product_id":"e527a6e8-ef8a-4bb0-b3c2-1df83e1df030","name":"MQ04ABF100 Toshiba 1TB/1000GB 5400rpm Sata 7mm 2.5\" Hard Drive 128mb, 6 Gbit/s.","brand":"TOSHIBA","ppu":0.04722,"prev_ppu":0.05449,"pct":-13.3},{"product_id":"34198f14-0f57-4a2f-b83e-cce39a038dfd","name":"Western Digital WD Red Plus Internal Hard Drive 6 TB CMR 3.5 Inch SATA 5400 rpm 256 MB NAS (Amazon.co.jp Limited)","brand":"Western Digital","ppu":0.041249,"prev_ppu":0.04462,"pct":-7.6}],"rises":[{"product_id":"2a6d1980-2c21-4ebe-aef2-6ec2f72922c2","name":"Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 64 MB Cache, 3.5\" - WD20EZRZ","brand":"Western Digital","ppu":0.067495,"prev_ppu":0.0405,"pct":66.7},{"product_id":"b711e597-1b8f-4e06-996e-bbbdc114f0f9","name":"Western Digital 3TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 64 MB Cache, 3.5\" - WD30PURZ","brand":"Western Digital","ppu":0.055667,"prev_ppu":0.039165,"pct":42.1},{"product_id":"bc64899b-41f5-4a0d-bfe4-6ca9ccadf43b","name":"Western Digital 1TB 3.5\" SATA HDD 7200RPM Internal Desktop Hard Drive for PC/Mac - OEM WD10EZEX 1 TB","brand":"Western Digital","ppu":0.09999,"prev_ppu":0.075,"pct":33.3},{"product_id":"29c88883-4c45-4fd2-9618-690862058741","name":"Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB520XK3AA","brand":"TOSHIBA","ppu":0.07159,"prev_ppu":0.0575,"pct":24.5},{"product_id":"22a04941-bbcf-4f37-8a31-a31ee098b500","name":"Seagate Portable 1TB External Hard Drive HDD – USB 3.0 for PC, Mac, PlayStation, & Xbox, 1-Year Rescue Service (STGX1000400) , Black","brand":"Seagate","ppu":0.105,"prev_ppu":0.08528,"pct":23.1}]},"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:55.484819+00:00"},{"month":"2026-05","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":21,"product_count":21,"median_ppu":0.06871,"p10_ppu":0.05999,"p25_ppu":0.06399,"p75_ppu":0.088755,"min_ppu":0.04722,"min_product":{"listing_id":"119a856a-e400-426e-a338-298afd24ad86","product_id":"e527a6e8-ef8a-4bb0-b3c2-1df83e1df030","name":"MQ04ABF100 Toshiba 1TB/1000GB 5400rpm Sata 7mm 2.5\" Hard Drive 128mb, 6 Gbit/s.","brand":"TOSHIBA","retailer":"amazon","price":47.22,"ppu":0.04722,"days_observed":4,"url":"https://www.buyperunit.com/product/e527a6e8-ef8a-4bb0-b3c2-1df83e1df030"},"matched_count":17,"matched_mom_pct":5.64,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:55.484819+00:00"},{"month":"2026-05","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":9,"product_count":9,"median_ppu":0.067495,"p10_ppu":0.061995,"p25_ppu":0.064995,"p75_ppu":0.07159,"min_ppu":0.059995,"min_product":{"listing_id":"737632a0-73f0-4df0-9a01-23fd8625ce07","product_id":"bba54c7b-6097-4462-b3fb-3e601bfc305e","name":"Seagate - Expansion 2TB External USB 3.0 Portable Hard Drive with Rescue Data Recovery Services - Black","brand":"Seagate","retailer":"bestbuy","price":119.99,"ppu":0.059995,"days_observed":5,"url":"https://www.buyperunit.com/product/bba54c7b-6097-4462-b3fb-3e601bfc305e"},"matched_count":6,"matched_mom_pct":12.682,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:55.484819+00:00"},{"month":"2026-05","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":10,"product_count":10,"median_ppu":0.043249,"p10_ppu":0.034998,"p25_ppu":0.037467,"p75_ppu":0.050936,"min_ppu":0.034998,"min_product":{"listing_id":"07c8596b-b5b8-4add-a86e-84ad7ed3c399","product_id":"0d10cec9-9477-43f4-9f3e-6741dcb91e74","name":"MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS)","brand":"MDD MAXDIGITALDATA","retailer":"amazon","price":139.99,"ppu":0.034998,"days_observed":1,"url":"https://www.buyperunit.com/product/0d10cec9-9477-43f4-9f3e-6741dcb91e74"},"matched_count":9,"matched_mom_pct":7.693,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:55.484819+00:00"},{"month":"2026-05","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":6,"product_count":6,"median_ppu":0.033059,"p10_ppu":0.029999,"p25_ppu":0.030279,"p75_ppu":0.036874,"min_ppu":0.029999,"min_product":{"listing_id":"e9b691e3-000e-4ddb-a01f-1d931f608bb6","product_id":"2cdff6fc-7e91-4cb3-9419-8fc05d77869f","name":"WD - Blue 8TB PC Internal Hard Drive for Desktops","brand":"Western Digital","retailer":"bestbuy","price":239.99,"ppu":0.029999,"days_observed":1,"url":"https://www.buyperunit.com/product/2cdff6fc-7e91-4cb3-9419-8fc05d77869f"},"matched_count":5,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:55.484819+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":315,"product_count":314,"median_ppu":0.06813,"p10_ppu":0.040832,"p25_ppu":0.049996,"p75_ppu":0.12095,"min_ppu":0.026475,"min_product":{"listing_id":"082c344d-72dc-45f9-92ed-931f095db5fb","product_id":"fd9e73fd-4124-4693-bed9-58c00cebd25e","name":"WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE","brand":"Western Digital","retailer":"newegg","price":52.95,"ppu":0.026475,"days_observed":1,"url":"https://www.buyperunit.com/product/fd9e73fd-4124-4693-bed9-58c00cebd25e"},"matched_count":77,"matched_mom_pct":3.713,"movers":{"drops":[{"product_id":"54f9694f-e14b-4eb1-91da-d661200d5cdc","name":"(Old Model) Seagate 1TB Desktop HDD Sata 6Gb/s 64MB Cache 3.5-Inch Internal Bare Drive (ST1000DM003)","brand":"Seagate","ppu":0.05802,"prev_ppu":0.074365,"pct":-22},{"product_id":"bc64899b-41f5-4a0d-bfe4-6ca9ccadf43b","name":"Western Digital 1TB 3.5\" SATA HDD 7200RPM Internal Desktop Hard Drive for PC/Mac - OEM WD10EZEX 1 TB","brand":"Western Digital","ppu":0.07988,"prev_ppu":0.09999,"pct":-20.1},{"product_id":"7c018be3-0ff9-4a7d-bca8-d39d6c53f4cc","name":"Wd Blue Wd10ezex 1 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64","brand":"Western Digital","ppu":0.0655,"prev_ppu":0.0783,"pct":-16.3},{"product_id":"2a6d1980-2c21-4ebe-aef2-6ec2f72922c2","name":"Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 64 MB Cache, 3.5\" - WD20EZRZ","brand":"Western Digital","ppu":0.0595,"prev_ppu":0.067495,"pct":-11.8},{"product_id":"b67bf30b-5dcd-411a-b60a-015222a456eb","name":"Seagate 1TB Desktop HDD Hard Drive - Internal (ST1000DM003)","brand":"Seagate","ppu":0.065,"prev_ppu":0.0735,"pct":-11.6}],"rises":[{"product_id":"f5d8734a-3f88-4e0f-9318-5fb51e916074","name":"WD - Easystore 6TB External USB 3.2 Gen 1 Portable Hard Drive - Black","brand":"Western Digital","ppu":0.053332,"prev_ppu":0.035832,"pct":48.8},{"product_id":"42729526-9406-425a-a56f-ebc646c20aee","name":"WD - easystore 20TB External USB 3.0 Hard Drive - Black","brand":"Western Digital","ppu":0.04075,"prev_ppu":0.028,"pct":45.5},{"product_id":"bc6b9cf4-3263-47d6-b22e-f52afc7ed543","name":"WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black","brand":"Western Digital","ppu":0.057998,"prev_ppu":0.039998,"pct":45},{"product_id":"1d1d78f8-45dd-4aa2-9638-09318076dc3b","name":"WD - easystore 8TB External USB 3.0 Hard Drive - Black","brand":"Western Digital","ppu":0.047499,"prev_ppu":0.034999,"pct":35.7},{"product_id":"2d66cec7-575b-4590-aaad-4fd2af604a04","name":"WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black","brand":"Western Digital","ppu":0.049999,"prev_ppu":0.037499,"pct":33.3}]},"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"12tb","listing_count":8,"product_count":8,"median_ppu":0.044352,"p10_ppu":0.034467,"p25_ppu":0.039133,"p75_ppu":0.046044,"min_ppu":0.032249,"min_product":{"listing_id":"141bd435-867d-477b-ad0f-fd3b11d1e58e","product_id":"c7bb718e-26dd-4ba8-9db2-6e4c3c681506","name":"Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5\" - WD120EAGZ","brand":"Western Digital","retailer":"amazon","price":386.99,"ppu":0.032249,"days_observed":5,"url":"https://www.buyperunit.com/product/c7bb718e-26dd-4ba8-9db2-6e4c3c681506"},"matched_count":1,"matched_mom_pct":6.026,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":45,"product_count":45,"median_ppu":0.0891,"p10_ppu":0.062937,"p25_ppu":0.06999,"p75_ppu":0.13019,"min_ppu":0.055,"min_product":{"listing_id":"96038735-b596-4a60-82d0-6826398353b8","product_id":"bfb60570-365c-4499-b7de-8a76b439d368","name":"Western Digital WD Bulk WD10EURX 1TB AV GP SATA 6Gbs 3.5\", 1 TB","brand":"Western Digital","retailer":"amazon","price":55,"ppu":0.055,"days_observed":3,"url":"https://www.buyperunit.com/product/bfb60570-365c-4499-b7de-8a76b439d368"},"matched_count":15,"matched_mom_pct":0.076,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":32,"product_count":32,"median_ppu":0.079883,"p10_ppu":0.0523,"p25_ppu":0.066495,"p75_ppu":0.107496,"min_ppu":0.026475,"min_product":{"listing_id":"082c344d-72dc-45f9-92ed-931f095db5fb","product_id":"fd9e73fd-4124-4693-bed9-58c00cebd25e","name":"WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE","brand":"Western Digital","retailer":"newegg","price":52.95,"ppu":0.026475,"days_observed":1,"url":"https://www.buyperunit.com/product/fd9e73fd-4124-4693-bed9-58c00cebd25e"},"matched_count":9,"matched_mom_pct":3.318,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":33,"product_count":33,"median_ppu":0.04975,"p10_ppu":0.034498,"p25_ppu":0.044998,"p75_ppu":0.059875,"min_ppu":0.028748,"min_product":{"listing_id":"6b981d8a-365a-40a2-84f7-134653bdab6f","product_id":"5146c98b-ef7a-4e5d-8ac5-fa1a259b0523","name":"Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty","brand":"Avolusion","retailer":"amazon","price":114.99,"ppu":0.028748,"days_observed":6,"url":"https://www.buyperunit.com/product/5146c98b-ef7a-4e5d-8ac5-fa1a259b0523"},"matched_count":10,"matched_mom_pct":20.903,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-06","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":28,"product_count":28,"median_ppu":0.054347,"p10_ppu":0.040624,"p25_ppu":0.047499,"p75_ppu":0.0875,"min_ppu":0.032372,"min_product":{"listing_id":"16c2e4ef-3cd1-4351-bf69-ff760f72b1de","product_id":"58bbf70c-dcdc-4f7a-9714-c6b6e5578185","name":"MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)","brand":"MDD MAXDIGITALDATA","retailer":"amazon","price":258.97,"ppu":0.032372,"days_observed":2,"url":"https://www.buyperunit.com/product/58bbf70c-dcdc-4f7a-9714-c6b6e5578185"},"matched_count":6,"matched_mom_pct":22.917,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.010179+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":304,"product_count":303,"median_ppu":0.0625,"p10_ppu":0.040046,"p25_ppu":0.047075,"p75_ppu":0.083102,"min_ppu":0.030319,"min_product":{"listing_id":"0937f2a5-1eeb-4059-b9d3-78681e7b92ef","product_id":"b5def6fc-0326-4fad-a8f2-d22153f7a2f1","name":"Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5\" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400","brand":"Seagate","retailer":"amazon","price":485.11,"ppu":0.030319,"days_observed":30,"url":"https://www.buyperunit.com/product/b5def6fc-0326-4fad-a8f2-d22153f7a2f1"},"matched_count":164,"matched_mom_pct":0.062,"movers":{"drops":[{"product_id":"9840e35f-fa19-4c4f-8990-7d24359ecf91","name":"MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA","brand":"Toshiba","ppu":0.037286,"prev_ppu":0.045051,"pct":-17.2},{"product_id":"8dbddfec-c605-4049-b64b-2cdeea30ee77","name":"WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black","brand":"Western Digital","ppu":0.034166,"prev_ppu":0.040833,"pct":-16.3},{"product_id":"59915a88-199a-430f-aeb6-fd61765e44f3","name":"Western Digital Caviar SE WD2500JS 250GB 7200 RPM 8MB Cache SATA 3.0Gb/s 3.5' Hard Drive Bare Drive","brand":"Western Digital","ppu":0.494,"prev_ppu":0.5824,"pct":-15.2},{"product_id":"68a2f723-137b-43f4-8841-1e6f8a2b6097","name":"Toshiba N300 10TB SATA III 3.5' Internal NAS Hard Drive #HDWG71AXZSTA","brand":"Toshiba","ppu":0.056915,"prev_ppu":0.06389,"pct":-10.9},{"product_id":"ec26f386-82ab-48b0-966a-1b43cde5faa9","name":"Seagate BarraCuda 2TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC – Frustration Free Packaging (ST2000LM015)","brand":"Seagate","ppu":0.07475,"prev_ppu":0.082485,"pct":-9.4}],"rises":[{"product_id":"1c552f06-66a3-4cbd-9d0c-4f257225b57c","name":"Western Digital 14TB Elements Desktop External Hard Drive, USB 3.0 external hard drive for plug-and-play storage - Western DigitalBWLG0140HBK-NESN","brand":"Western Digital","ppu":0.04361,"prev_ppu":0.032499,"pct":34.2},{"product_id":"2a6d1980-2c21-4ebe-aef2-6ec2f72922c2","name":"Western Digital 2TB WD Blue PC Internal Hard Drive - 5400 RPM Class, SATA 6 Gb/s, , 64 MB Cache, 3.5\" - WD20EZRZ","brand":"Western Digital","ppu":0.0785,"prev_ppu":0.0595,"pct":31.9},{"product_id":"6d1ad326-13a4-4d15-a5a8-4b4f3ab47c6f","name":"Western Digital 8TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0080HBK-NESN","brand":"Western Digital","ppu":0.04325,"prev_ppu":0.033749,"pct":28.2},{"product_id":"7c018be3-0ff9-4a7d-bca8-d39d6c53f4cc","name":"Wd Blue Wd10ezex 1 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64","brand":"Western Digital","ppu":0.0835,"prev_ppu":0.0655,"pct":27.5},{"product_id":"e49e5a95-6546-42bf-ac5a-4f83db55dbe8","name":"WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black","brand":"Western Digital","ppu":0.059998,"prev_ppu":0.047498,"pct":26.3}]},"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"12tb","listing_count":9,"product_count":9,"median_ppu":0.045417,"p10_ppu":0.037638,"p25_ppu":0.043333,"p75_ppu":0.049999,"min_ppu":0.037008,"min_product":{"listing_id":"141bd435-867d-477b-ad0f-fd3b11d1e58e","product_id":"c7bb718e-26dd-4ba8-9db2-6e4c3c681506","name":"Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5\" - WD120EAGZ","brand":"Western Digital","retailer":"amazon","price":444.1,"ppu":0.037008,"days_observed":3,"url":"https://www.buyperunit.com/product/c7bb718e-26dd-4ba8-9db2-6e4c3c681506"},"matched_count":5,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"16tb","listing_count":9,"product_count":9,"median_ppu":0.040937,"p10_ppu":0.035541,"p25_ppu":0.038881,"p75_ppu":0.042874,"min_ppu":0.030319,"min_product":{"listing_id":"0937f2a5-1eeb-4059-b9d3-78681e7b92ef","product_id":"b5def6fc-0326-4fad-a8f2-d22153f7a2f1","name":"Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5\" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400","brand":"Seagate","retailer":"amazon","price":485.11,"ppu":0.030319,"days_observed":30,"url":"https://www.buyperunit.com/product/b5def6fc-0326-4fad-a8f2-d22153f7a2f1"},"matched_count":4,"matched_mom_pct":13.352,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":43,"product_count":43,"median_ppu":0.083075,"p10_ppu":0.060041,"p25_ppu":0.066743,"p75_ppu":0.127408,"min_ppu":0.05099,"min_product":{"listing_id":"96038735-b596-4a60-82d0-6826398353b8","product_id":"bfb60570-365c-4499-b7de-8a76b439d368","name":"Western Digital WD Bulk WD10EURX 1TB AV GP SATA 6Gbs 3.5\", 1 TB","brand":"Western Digital","retailer":"amazon","price":50.99,"ppu":0.05099,"days_observed":1,"url":"https://www.buyperunit.com/product/bfb60570-365c-4499-b7de-8a76b439d368"},"matched_count":22,"matched_mom_pct":4.213,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":36,"product_count":36,"median_ppu":0.079748,"p10_ppu":0.065475,"p25_ppu":0.071111,"p75_ppu":0.097808,"min_ppu":0.0425,"min_product":{"listing_id":"a397e1cf-ce42-423f-ba2c-985d6210c540","product_id":"1a324f98-278c-4ea9-92d0-1aa71c4bbf46","name":"Seagate Barracuda St2000dm001 2 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64 Mb Buffer (ST2000DM001)","brand":"Seagate","retailer":"newegg","price":85,"ppu":0.0425,"days_observed":1,"url":"https://www.buyperunit.com/product/1a324f98-278c-4ea9-92d0-1aa71c4bbf46"},"matched_count":17,"matched_mom_pct":4.105,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":33,"product_count":33,"median_ppu":0.04975,"p10_ppu":0.037498,"p25_ppu":0.044861,"p75_ppu":0.062375,"min_ppu":0.032498,"min_product":{"listing_id":"6b981d8a-365a-40a2-84f7-134653bdab6f","product_id":"5146c98b-ef7a-4e5d-8ac5-fa1a259b0523","name":"Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty","brand":"Avolusion","retailer":"amazon","price":129.99,"ppu":0.032498,"days_observed":6,"url":"https://www.buyperunit.com/product/5146c98b-ef7a-4e5d-8ac5-fa1a259b0523"},"matched_count":20,"matched_mom_pct":1.488,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-07","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":33,"product_count":33,"median_ppu":0.051749,"p10_ppu":0.039531,"p25_ppu":0.043763,"p75_ppu":0.0625,"min_ppu":0.031249,"min_product":{"listing_id":"913d879c-b55a-4d5e-b5c4-a519e75adfb2","product_id":"09bc2d8c-5c21-4c2f-a24a-f7ddc22bdb50","name":"Seagate BarraCuda 8 TB Internal Hard Drive HDD – 3.5 Inch SATA 6 Gb/s, 5,400 RPM, 256 MB Cache for Computer Desktop PC (ST8000DMZ04/004)","brand":"Seagate","retailer":"amazon","price":249.99,"ppu":0.031249,"days_observed":17,"url":"https://www.buyperunit.com/product/09bc2d8c-5c21-4c2f-a24a-f7ddc22bdb50"},"matched_count":19,"matched_mom_pct":-17.106,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:56.641071+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":694,"product_count":521,"median_ppu":0.058787,"p10_ppu":0.040485,"p25_ppu":0.046403,"p75_ppu":0.081983,"min_ppu":0.024999,"min_product":{"listing_id":"39e1ee36-b891-41d2-866a-e97fa712557e","product_id":"5393e18d-779d-4f3f-be7e-645c37392719","name":"Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)","brand":"Avolusion","retailer":"amazon","price":349.99,"ppu":0.024999,"days_observed":3,"url":"https://www.buyperunit.com/product/5393e18d-779d-4f3f-be7e-645c37392719"},"matched_count":232,"matched_mom_pct":0,"movers":{"drops":[{"product_id":"4f57ef08-f20c-4608-a979-e068dd096dfd","name":"Seagate IronWolf 6TB NAS Hard Drive 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VN0041","brand":"Seagate","ppu":0.0525,"prev_ppu":0.072463,"pct":-27.5},{"product_id":"b1389965-973d-4c18-b149-b116fdf09dd5","name":"Seagate IronWolf ST10000NE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000NE0008)","brand":"Seagate","ppu":0.0425,"prev_ppu":0.055,"pct":-22.7},{"product_id":"0d0385c5-d0f0-438f-b1de-15bc4042b255","name":"Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM","brand":"Seagate","ppu":0.033749,"prev_ppu":0.039606,"pct":-14.8},{"product_id":"92958a3c-356f-4d94-8317-207ad98f57d1","name":"WD 6TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password Protection, USB 3.1/USB 3.0 Compatible - WDBR9S0060BBK-WESN","brand":"Western Digital","ppu":0.046178,"prev_ppu":0.054167,"pct":-14.7},{"product_id":"9e7c1137-5163-4ab0-afea-355b9dd673f7","name":"WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch WD63PURZ","brand":"Western Digital","ppu":0.046665,"prev_ppu":0.054537,"pct":-14.4}],"rises":[{"product_id":"67025ad6-9d75-40ad-aa3b-e5c74f106227","name":"WD Red Plus 3TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 256MB Cache, 3.5 Inch - WD30EFPX","brand":"Western Digital","ppu":0.07333,"prev_ppu":0.044537,"pct":64.6},{"product_id":"bfb60570-365c-4499-b7de-8a76b439d368","name":"Western Digital WD Bulk WD10EURX 1TB AV GP SATA 6Gbs 3.5\", 1 TB","brand":"Western Digital","ppu":0.06999,"prev_ppu":0.05099,"pct":37.3},{"product_id":"574c5fb6-0fae-49b2-a05f-d52e70aa97a9","name":"Western Digital(WD) BLUE Deskptop 1TB( 1Terabyte) 3.5\"Hard Disk Drive, 5400~7200RPM, SATA3 ( 6.0GB/s), 64MB Cache, IDEAL for PC/Mac/CCTV/NAS/DVR/Raid and SATA Applications, 1YR Warranty (Blue)","brand":"Western Digital","ppu":0.119,"prev_ppu":0.0875,"pct":36},{"product_id":"8dbddfec-c605-4049-b64b-2cdeea30ee77","name":"WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black","brand":"Western Digital","ppu":0.044166,"prev_ppu":0.034166,"pct":29.3},{"product_id":"e0fca0ca-3864-4479-817b-81e4da2bdb03","name":"Seagate IronWolf Pro ST14000NT001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive","brand":"Seagate","ppu":0.045714,"prev_ppu":0.037857,"pct":20.8}]},"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"12tb","listing_count":27,"product_count":19,"median_ppu":0.047829,"p10_ppu":0.038332,"p25_ppu":0.044002,"p75_ppu":0.051467,"min_ppu":0.033333,"min_product":{"listing_id":"acad2d24-fa0e-437e-bac6-b08db783e082","product_id":"97072b1b-7727-471a-ad8d-08dd6bc82ee3","name":"Seagate IronWolf ST12000VN0008 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST12000VN0008) - OEM Pack, International Version No Warranty","brand":"Seagate","retailer":"newegg","price":400,"ppu":0.033333,"days_observed":1,"url":"https://www.buyperunit.com/product/97072b1b-7727-471a-ad8d-08dd6bc82ee3"},"matched_count":7,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"16tb","listing_count":30,"product_count":20,"median_ppu":0.041577,"p10_ppu":0.034537,"p25_ppu":0.038881,"p75_ppu":0.044178,"min_ppu":0.030265,"min_product":{"listing_id":"0937f2a5-1eeb-4059-b9d3-78681e7b92ef","product_id":"b5def6fc-0326-4fad-a8f2-d22153f7a2f1","name":"Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5\" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400","brand":"Seagate","retailer":"amazon","price":484.24,"ppu":0.030265,"days_observed":26,"url":"https://www.buyperunit.com/product/b5def6fc-0326-4fad-a8f2-d22153f7a2f1"},"matched_count":9,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":79,"product_count":70,"median_ppu":0.11905,"p10_ppu":0.07095,"p25_ppu":0.0795,"p75_ppu":0.14999,"min_ppu":0.055,"min_product":{"listing_id":"0bfe6acd-d069-4c92-a385-062363dff04b","product_id":"7ed7c49a-6fe1-40a2-9153-3ca3d190b571","name":"Toshiba 1TB 5400RPM 8MB Cache SATA 3.0Gb/s 2.5 inch PS3/PS4 Hard Drive - 3 Year Warranty","brand":"TOSHIBA","retailer":"amazon","price":55,"ppu":0.055,"days_observed":13,"url":"https://www.buyperunit.com/product/7ed7c49a-6fe1-40a2-9153-3ca3d190b571"},"matched_count":32,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":83,"product_count":68,"median_ppu":0.08688,"p10_ppu":0.070117,"p25_ppu":0.074995,"p75_ppu":0.102495,"min_ppu":0.037,"min_product":{"listing_id":"9f2a3751-cafc-4ed2-bbbb-9ef6eaf1d0a4","product_id":"de0c7a15-ae88-47e1-a463-2c61bb520e0f","name":"Dell - 2 TB 7200 RPM Enterprise SATA 3.5' Hard Drive for PowerEdge / PowerVault Systems. Equipped with tray. Mfr P/N: 2G4HM","brand":"Dell","retailer":"newegg","price":74,"ppu":0.037,"days_observed":1,"url":"https://www.buyperunit.com/product/de0c7a15-ae88-47e1-a463-2c61bb520e0f"},"matched_count":26,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":96,"product_count":69,"median_ppu":0.058885,"p10_ppu":0.040125,"p25_ppu":0.047473,"p75_ppu":0.065168,"min_ppu":0.032498,"min_product":{"listing_id":"6b981d8a-365a-40a2-84f7-134653bdab6f","product_id":"5146c98b-ef7a-4e5d-8ac5-fa1a259b0523","name":"Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty","brand":"Avolusion","retailer":"amazon","price":129.99,"ppu":0.032498,"days_observed":3,"url":"https://www.buyperunit.com/product/5146c98b-ef7a-4e5d-8ac5-fa1a259b0523"},"matched_count":27,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-08","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":62,"product_count":39,"median_ppu":0.053747,"p10_ppu":0.040035,"p25_ppu":0.047308,"p75_ppu":0.061178,"min_ppu":0.031249,"min_product":{"listing_id":"50dd1087-e7d5-4a81-8e5e-2d7a2dcd1212","product_id":"1af4a182-d005-42ce-8bf6-d589ab319b9c","name":"Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive","brand":"Seagate","retailer":"newegg","price":249.99,"ppu":0.031249,"days_observed":3,"url":"https://www.buyperunit.com/product/1af4a182-d005-42ce-8bf6-d589ab319b9c"},"matched_count":19,"matched_mom_pct":0.524,"movers":null,"coverage":"dense","is_final":true,"computed_at":"2026-09-22T01:49:57.344597+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"_all","listing_count":781,"product_count":607,"median_ppu":0.057998,"p10_ppu":0.040001,"p25_ppu":0.047498,"p75_ppu":0.0825,"min_ppu":0.017495,"min_product":{"listing_id":"1fa81b23-a7f9-4804-97a0-3c2870d31cd7","product_id":"dae83f64-3fe1-49c6-8de9-f708c5fe6475","name":"WD - Blue 2TB PC Internal Hard Drive for Desktops","brand":"Western Digital","retailer":"bestbuy","price":34.99,"ppu":0.017495,"days_observed":1,"url":"https://www.buyperunit.com/product/dae83f64-3fe1-49c6-8de9-f708c5fe6475"},"matched_count":390,"matched_mom_pct":0,"movers":{"drops":[{"product_id":"3ecf6b49-2816-419d-9d2c-55f8c416f802","name":"Seagate IronWolf ST2000VN003 internal hard drive 3.5' 2000 GB / 2TB Serial ATA III","brand":"Seagate","ppu":0.11205,"prev_ppu":0.139995,"pct":-20},{"product_id":"5838ec95-68f9-4932-a1c8-0c25772540d9","name":"Seagate 6TB IronWolf NAS SATA 6Gb/s NCQ 128MB Cache 3.5-Inch Internal Hard Drive (ST6000VN0041)","brand":"Seagate","ppu":0.053167,"prev_ppu":0.065235,"pct":-18.5},{"product_id":"6a8c0b74-4403-4875-aa15-c438632ff8bb","name":"Toshiba N300 PRO 20TB Large-Sized Business NAS (up to 24 Bays) 3.5-Inch Internal Hard Drive - Up to 300 TB/Year Workload Rate CMR SATA 6 Gb/s 7200","brand":"Toshiba","ppu":0.041953,"prev_ppu":0.050042,"pct":-16.2},{"product_id":"e1ccfab0-37e4-4f8b-ba16-01a1e008ec5f","name":"Seagate FireCuda Gaming Hard Drive External Hard Drive 1TB - USB 3.2 Gen 1, RGB LED Lighting for PC and Mac with Rescue Services (STKL1000400)","brand":"Seagate","ppu":0.15234,"prev_ppu":0.18116,"pct":-15.9},{"product_id":"e527a6e8-ef8a-4bb0-b3c2-1df83e1df030","name":"MQ04ABF100 Toshiba 1TB/1000GB 5400rpm Sata 7mm 2.5\" Hard Drive 128mb, 6 Gbit/s.","brand":"TOSHIBA","ppu":0.05949,"prev_ppu":0.06974,"pct":-14.7}],"rises":[{"product_id":"1956b1e8-f85e-4d95-9bab-40426e070df6","name":"Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive","brand":"Seagate","ppu":0.070888,"prev_ppu":0.048813,"pct":45.2},{"product_id":"0f194119-b8a4-401c-b3d5-a9663e91c8dd","name":"ADATA 2TB HD710 Pro Portable Hard Drive USB 3.1 Model AHD710P-2TU31-CBK Black","brand":"ADATA","ppu":0.07626,"prev_ppu":0.0575,"pct":32.6},{"product_id":"a63b5e28-8372-4583-8002-9366d444466c","name":"Silicon Power 1TB Armor A60 Shockproof and Water-Resistant Portable Hard Drive USB 3.0 Model SP010TBPHDA60S3K Black","brand":"Silicon Power","ppu":0.172075,"prev_ppu":0.13299,"pct":29.4},{"product_id":"7c018be3-0ff9-4a7d-bca8-d39d6c53f4cc","name":"Wd Blue Wd10ezex 1 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64","brand":"Western Digital","ppu":0.103495,"prev_ppu":0.081,"pct":27.8},{"product_id":"9921375a-d4c2-44bb-9413-5b1a3f9a5a2e","name":"Seagate IronWolf ST4000VN006 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive HDD","brand":"Seagate","ppu":0.05975,"prev_ppu":0.047123,"pct":26.8}]},"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"12tb","listing_count":30,"product_count":19,"median_ppu":0.048448,"p10_ppu":0.041458,"p25_ppu":0.046708,"p75_ppu":0.052856,"min_ppu":0.028333,"min_product":{"listing_id":"1d7e8eb5-3f8d-4770-8598-6b4826c85a89","product_id":"1fc310d0-77ad-4808-93fe-4e6ee5f50ea9","name":"Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5\" - WD120EFGX","brand":"Western Digital","retailer":"bestbuy","price":339.99,"ppu":0.028333,"days_observed":1,"url":"https://www.buyperunit.com/product/1fc310d0-77ad-4808-93fe-4e6ee5f50ea9"},"matched_count":12,"matched_mom_pct":3.338,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"16tb","listing_count":37,"product_count":26,"median_ppu":0.040812,"p10_ppu":0.035123,"p25_ppu":0.037499,"p75_ppu":0.044781,"min_ppu":0.031874,"min_product":{"listing_id":"ce5fec2f-1ffa-4964-84ab-efc659d4e6bd","product_id":"6122dbeb-260d-437b-a026-7277d01cf298","name":"Seagate - Seagate One Touch Desktop HDD 16TB - Space Gray","brand":"Seagate","retailer":"bestbuy","price":509.99,"ppu":0.031874,"days_observed":1,"url":"https://www.buyperunit.com/product/6122dbeb-260d-437b-a026-7277d01cf298"},"matched_count":23,"matched_mom_pct":0.292,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"1tb","listing_count":94,"product_count":86,"median_ppu":0.123115,"p10_ppu":0.075229,"p25_ppu":0.09425,"p75_ppu":0.148743,"min_ppu":0.02999,"min_product":{"listing_id":"05cbd3dc-97a6-498c-9261-1c6b45ee5470","product_id":"eb933072-5f0d-492d-b61c-597c31a6ea18","name":"WD - Blue 1TB PC Internal Hard Drive for Laptops","brand":"Western Digital","retailer":"bestbuy","price":29.99,"ppu":0.02999,"days_observed":1,"url":"https://www.buyperunit.com/product/eb933072-5f0d-492d-b61c-597c31a6ea18"},"matched_count":50,"matched_mom_pct":-1.384,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"2tb","listing_count":97,"product_count":80,"median_ppu":0.084995,"p10_ppu":0.0575,"p25_ppu":0.07225,"p75_ppu":0.104498,"min_ppu":0.017495,"min_product":{"listing_id":"1fa81b23-a7f9-4804-97a0-3c2870d31cd7","product_id":"dae83f64-3fe1-49c6-8de9-f708c5fe6475","name":"WD - Blue 2TB PC Internal Hard Drive for Desktops","brand":"Western Digital","retailer":"bestbuy","price":34.99,"ppu":0.017495,"days_observed":1,"url":"https://www.buyperunit.com/product/dae83f64-3fe1-49c6-8de9-f708c5fe6475"},"matched_count":42,"matched_mom_pct":-0.066,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"4tb","listing_count":122,"product_count":91,"median_ppu":0.055803,"p10_ppu":0.044886,"p25_ppu":0.048749,"p75_ppu":0.065092,"min_ppu":0.031498,"min_product":{"listing_id":"af76465c-3f05-42d8-9e0f-484af09e8f33","product_id":"aeb566c7-d4aa-4d39-81a8-2d866553a0fb","name":"WD - Blue 4TB PC Internal Hard Drive for Desktops","brand":"Western Digital","retailer":"bestbuy","price":125.99,"ppu":0.031498,"days_observed":1,"url":"https://www.buyperunit.com/product/aeb566c7-d4aa-4d39-81a8-2d866553a0fb"},"matched_count":55,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"},{"month":"2026-09","category":"hard-drives","unit":"$/GB","tier":"8tb","listing_count":73,"product_count":52,"median_ppu":0.054374,"p10_ppu":0.034999,"p25_ppu":0.046249,"p75_ppu":0.061188,"min_ppu":0.031249,"min_product":{"listing_id":"50dd1087-e7d5-4a81-8e5e-2d7a2dcd1212","product_id":"1af4a182-d005-42ce-8bf6-d589ab319b9c","name":"Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive","brand":"Seagate","retailer":"newegg","price":249.99,"ppu":0.031249,"days_observed":2,"url":"https://www.buyperunit.com/product/1af4a182-d005-42ce-8bf6-d589ab319b9c"},"matched_count":36,"matched_mom_pct":0,"movers":null,"coverage":"dense","is_final":false,"computed_at":"2026-09-22T01:49:58.12796+00:00"}]}