Hard Drives (HDD)
Ranked by price per gigabyte
Updated twice daily · No paid placements
Rankings show one recently checked offer per product and condition on this page. Other offers remain on product pages. The final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | HDD | 16TB | — | $399.99checked <1h ago | $0.025View at Newegg | ||||
2 | HDD | 24 TB | — | $679.99checked <1h ago | $0.028View at Amazon | ||||
3 | HDD | 10 TB | — | $309.99checked <1h ago | $0.031View at Amazon | ||||
4 | HDD | 8 TB | — | $249.99checked <1h ago | $0.031View at Amazon | ||||
5 | HDD | 16 TB | — | $502.65checked <1h ago | $0.031View at Amazon | ||||
6 | HDD | 6 TB | — | $189.99checked <1h ago | $0.032View at Amazon | ||||
7 | HDD | 20TB | — | $639.00checked 12h ago | $0.032View at Newegg | ||||
8 | HDD | 14TB | — | $454.95checked 12h ago | $0.032View at Newegg | ||||
9 | HDD | 20 TB | — | 4.0(1) | $649.99checked <1h ago | $0.033View at Best Buy | |||
10 | HDD | 3TB | — | $99.20checked <1h ago | $0.033View at Newegg | ||||
11 | HDD | 24TB | — | $829.99checked <1h ago | $0.035View at Newegg | ||||
12 | HDD | 20TB | — | $695.99checked <1h ago | $0.035View at Newegg | ||||
13 | HDD | 8TB | — | $278.99checked <1h ago | $0.035View at Newegg | ||||
14 | HDD | 6 TB | — | $209.99checked <1h ago | $0.035View at Amazon | ||||
15 | HDD | 8TB | — | $279.99checked <1h ago | $0.035View at Newegg | ||||
16 | HDD | 10TB | — | $349.99checked 24h ago | $0.035View at Newegg | ||||
17 | HDD | 3TB | — | $105.00checked <1h ago | $0.035View at Newegg | ||||
18 | HDD | 20TB | — | $709.99checked <1h ago | $0.035View at Newegg | ||||
19 | HDD | 6 TB | — | $214.99checked <1h ago | $0.036View at Amazon | ||||
20 | HDD | 14TB | — | $503.00checked <1h ago | $0.036View at Newegg | ||||
21 | HDD | 3TB | — | $108.19checked <1h ago | $0.036View at Newegg | ||||
22 | HDD | 18TB | — | $651.10checked <1h ago | $0.036View at Newegg | ||||
23 | HDD | 8 TB | — | $289.99checked <1h ago | $0.036View at Amazon | ||||
24 | HDD | 8 TB | — | 4.5(31) | $289.99checked <1h ago | $0.036View at Best Buy | |||
25 | HDD | 16 TB | — | $589.99checked <1h ago | $0.037View at Amazon | ||||
26 | HDD | 2TB | — | $74.00checked <1h ago | $0.037View at Newegg | ||||
27 | HDD | 8 TB | — | $299.99checked <1h ago | $0.037View at Amazon | ||||
28 | HDD | 4TB | — | $150.00checked <1h ago | $0.037View at Newegg | ||||
29 | HDD | 4TB | — | $150.00checked <1h ago | $0.037View at Newegg | ||||
30 | HDD | 12TB | — | $450.00checked <1h ago | $0.037View at Newegg | ||||
31 | HDD | 6TB | — | $225.10checked <1h ago | $0.038View at Newegg | ||||
32 | HDD | 6TB | — | $227.40checked <1h ago | $0.038View at Newegg | ||||
33 | HDD | 16 TB | — | 4.0(1) | $609.99checked <1h ago | $0.038View at Best Buy | |||
34 | HDD | 14TB | — | $535.99checked <1h ago | $0.038View at Newegg | ||||
35 | HDD | 6TB | — | $231.18checked <1h ago | $0.039View at Newegg | ||||
36 | HDD | 8TB | — | $309.99checked <1h ago | $0.039View at Newegg | ||||
37 | HDD | 8 TB | — | $309.99checked <1h ago | $0.039View at Amazon | ||||
38 | HDD | 8TB | — | $310.00checked <1h ago | $0.039View at Newegg | ||||
39 | HDD | 16TB | — | $622.10checked <1h ago | $0.039View at Newegg | ||||
40 | HDD | 2TB | — | $77.95checked <1h ago | $0.039View at Newegg | ||||
41 | HDD | 18TB | — | $704.00checked 12h ago | $0.039View at Newegg | ||||
42 | HDD | 6 TB | — | $234.98checked <1h ago | $0.039View at Amazon | ||||
43 | HDD | 28 TB | — | $1102.90checked <1h ago | $0.039View at Amazon | ||||
44 | HDD | 20TB | — | $789.00checked <1h ago | $0.039View at Newegg | ||||
45 | HDD | 8 TB | — | $315.99checked <1h ago | $0.039View at Amazon | ||||
46 | HDD | 3TB | — | $119.00checked <1h ago | $0.040View at Newegg | ||||
47 | HDD | 10TB | — | $397.00checked <1h ago | $0.040View at Newegg | ||||
48 | HDD | 3 TB | — | $119.95checked <1h ago | $0.040View at Amazon | ||||
49 | HDD | 4 TB | — | $159.99checked <1h ago | $0.040View at Amazon | ||||
50 | HDD | 4TB | — | $159.99checked <1h ago | $0.040View at Newegg | ||||
51 | HDD | 4 TB | — | $159.99checked <1h ago | $0.040View at Amazon | ||||
52 | HDD | 4 TB | — | $159.99checked <1h ago | $0.040View at Amazon | ||||
53 | HDD | 12TB | — | $479.99checked 2d ago | $0.040View at Newegg | ||||
54 | HDD | 18TB | — | $720.00checked <1h ago | $0.040View at Newegg | ||||
55 | HDD | 8TB | — | $323.05checked 36h ago | $0.040View at Newegg | ||||
56 | HDD | 6TB | — | $243.00checked <1h ago | $0.041View at Newegg | ||||
57 | HDD | 18TB | — | $730.47checked <1h ago | $0.041View at Newegg | ||||
58 | HDD | 18TB | — | $736.99checked 12h ago | $0.041View at Newegg | ||||
59 | HDD | 24 TB | — | $988.98checked <1h ago | $0.041View at Amazon | ||||
60 | HDD | 16 TB | — | $659.99checked <1h ago | $0.041View at Amazon | ||||
61 | HDD | 8 TB | 215 / 215MB/s | 4.2(21) | $329.99checked <1h ago | $0.041View at Best Buy | |||
62 | HDD | 14TB | — | $579.69checked <1h ago | $0.041View at Newegg | ||||
63 | HDD | 4TB | — | $165.99checked <1h ago | $0.041View at Newegg | ||||
64 | HDD | 16TB | — | $664.00checked <1h ago | $0.042View at Newegg | ||||
65 | HDD | 4 TB | — | $166.14checked <1h ago | $0.042View at Amazon | ||||
66 | HDD | 1.2TB | — | $49.94checked <1h ago | $0.042View at Newegg | ||||
67 | HDD | 16 TB | — | $665.99checked <1h ago | $0.042View at Amazon | ||||
68 | HDD | 20 TB | — | $835.99checked <1h ago | $0.042View at Amazon | ||||
69 | HDD | 14 TB | — | $586.89checked <1h ago | $0.042View at Amazon | ||||
70 | HDD | 18TB | — | $754.99checked <1h ago | $0.042View at Newegg | ||||
71 | HDD | 10 TB | — | $419.99checked <1h ago | $0.042View at Amazon | ||||
72 | HDD | 10TB | — | $419.99checked <1h ago | $0.042View at Newegg | ||||
73 | HDD | 3TB | — | $126.19checked 12h ago | $0.042View at Newegg | ||||
74 | HDD | 12 TB | — | $504.99checked <1h ago | $0.042View at Amazon | ||||
75 | HDD | 12TB | — | $504.99checked <1h ago | $0.042View at Newegg | ||||
76 | HDD | 22TB | — | $926.00checked <1h ago | $0.042View at Newegg | ||||
77 | HDD | 2TB | — | $84.20checked <1h ago | $0.042View at Newegg | ||||
78 | HDD | 16TB | — | $674.00checked <1h ago | $0.042View at Newegg | ||||
79 | HDD | 16TB | — | $675.00checked <1h ago | $0.042View at Newegg | ||||
80 | HDD | 16TB | — | $675.00checked <1h ago | $0.042View at Newegg | ||||
81 | HDD | 4TB | — | $168.99checked <1h ago | $0.042View at Newegg | ||||
82 | HDD | 16TB | — | $676.30checked <1h ago | $0.042View at Newegg | ||||
83 | HDD | 4 TB | — | $169.95checked <1h ago | $0.042View at Amazon | ||||
84 | HDD | 4 TB | — | $169.99checked <1h ago | $0.042View at Amazon | ||||
85 | HDD | 8TB | — | $339.99checked <1h ago | $0.042View at Newegg | ||||
86 | HDD | 6TB | — | $255.00checked 36h ago | $0.043View at Newegg | ||||
87 | HDD | 2TB | — | $85.00checked <1h ago | $0.043View at Newegg | ||||
88 | HDD | 18TB | — | $768.69checked <1h ago | $0.043View at Newegg | ||||
89 | HDD | 14TB | — | $599.10checked <1h ago | $0.043View at Newegg | ||||
90 | HDD | 12TB | — | $514.49checked <1h ago | $0.043View at Newegg | ||||
91 | HDD | 5 TB | — | $214.99checked <1h ago | $0.043View at Amazon | ||||
92 | HDD | 10TB | — | $431.00checked <1h ago | $0.043View at Newegg | ||||
93 | HDD | 24TB | — | $1035.10checked <1h ago | $0.043View at Newegg | ||||
94 | HDD | 12TB | — | $517.99checked 36h ago | $0.043View at Newegg | ||||
95 | HDD | 16TB | — | $691.99checked <1h ago | $0.043View at Newegg | ||||
96 | HDD | 14TB | — | $605.99checked <1h ago | $0.043View at Newegg | ||||
97 | HDD | 3TB | — | $130.00checked <1h ago | $0.043View at Newegg | ||||
98 | HDD | 5 TB | — | $217.95checked <1h ago | $0.044View at Amazon | ||||
99 | HDD | 5 TB | — | $218.00checked <1h ago | $0.044View at Amazon | ||||
100 | HDD | 24TB | — | $1048.99checked <1h ago | $0.044View at Newegg |
Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Capacity
16TB
Price
$399.99
$/GB
$0.025
Seagate Expansion 24TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP24000400)
Capacity
24 TB
Price
$679.99
$/GB
$0.028
OSENTRiX GX100 10TB USB 3.2 Gen 2 USB-C External Hard Drive with USB Hub for Windows or MacOS Desktop PC/Laptop - 2 Year Warranty
Capacity
10 TB
Price
$309.99
$/GB
$0.031
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)
Capacity
8 TB
Price
$249.99
$/GB
$0.031
Seagate 16TB One Touch Desktop Hard Drive | USB-C (STNB16000400)
Capacity
16 TB
Price
$502.65
$/GB
$0.031
HGST Ultrastar 7K6000 HUS726060ALE610 0F23001 6TB 7200 RPM SATA 3.5" 512E ISE 128MB Cache Enterprise Hard Drive
Capacity
6 TB
Price
$189.99
$/GB
$0.032
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)
Capacity
20TB
Price
$639.00
$/GB
$0.032
Seagate Exos X16 ST14000NM001G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive
Capacity
14TB
Price
$454.95
$/GB
$0.032
Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray
Capacity
20 TB
Price
$649.99
$/GB
$0.033
Hitachi GST Deskstar 5K3000 HDS5C3030ALA630 (0F12460) 3TB 5700 RPM 32MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$99.20
$/GB
$0.033
Seagate Expansion 24TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP24000400)
Capacity
24TB
Price
$829.99
$/GB
$0.035
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Capacity
20TB
Price
$695.99
$/GB
$0.035
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
8TB
Price
$278.99
$/GB
$0.035
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty
Capacity
6 TB
Price
$209.99
$/GB
$0.035
Seagate Expansion 8 TB Desktop Hard Drive - 3.5' External - USB 3.0 - STNP8000400
Capacity
8TB
Price
$279.99
$/GB
$0.035
Seagate ST10000NM0146 Enterprise 10TB SATA 3.5' Internal Hard Drive
Capacity
10TB
Price
$349.99
$/GB
$0.035
HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive
Capacity
3TB
Price
$105.00
$/GB
$0.035
TOSHIBA N300 Pro HDWG82AXZSTB 20TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drives BULK - Mb/ESD bag + Cardboard Box
Capacity
20TB
Price
$709.99
$/GB
$0.035
Seagate Skyhawk 6TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST6000VXZ09/009)
Capacity
6 TB
Price
$214.99
$/GB
$0.036
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
Capacity
14TB
Price
$503.00
$/GB
$0.036
HP 614827-001 3Tb 7200Rpm 3.5Inch 6G Sata Sc Lff Midline Hard Drive With Tray For Gen8 Servers Only
Capacity
3TB
Price
$108.19
$/GB
$0.036
MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA
Capacity
18TB
Price
$651.10
$/GB
$0.036
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400)
Capacity
8 TB
Price
$289.99
$/GB
$0.036
Seagate - Seagate One Touch Desktop HDD 8 TB - Space Gray
Capacity
8 TB
Price
$289.99
$/GB
$0.036
Seagate IronWolf Pro, 16 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST16000NT001)
Capacity
16 TB
Price
$589.99
$/GB
$0.037
Dell - 2 TB 7200 RPM Enterprise SATA 3.5' Hard Drive for PowerEdge / PowerVault Systems. Equipped with tray. Mfr P/N: 2G4HM
Capacity
2TB
Price
$74.00
$/GB
$0.037
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)
Capacity
8 TB
Price
$299.99
$/GB
$0.037
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)
Capacity
4TB
Price
$150.00
$/GB
$0.037
Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000)
Capacity
4TB
Price
$150.00
$/GB
$0.037
Seagate IronWolf ST12000VN0008 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST12000VN0008) - OEM Pack, International Version No Warranty
Capacity
12TB
Price
$450.00
$/GB
$0.037
HP 6 TB 3.5' Internal Hard Drive
Capacity
6TB
Price
$225.10
$/GB
$0.038
HGST Ultrastar He8 HUH728060ALE600 (0F23269) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives
Capacity
6TB
Price
$227.40
$/GB
$0.038
Seagate - Seagate One Touch Desktop HDD 16TB - Space Gray
Capacity
16 TB
Price
$609.99
$/GB
$0.038
Seagate IronWolf Pro 14TB NAS Internal Hard Drive - CMR 3.5' SATA 6Gbps, 7200 RPM, 256MB Cache, 250Mbps Data Transfer Rate (ST14000NE0008)
Capacity
14TB
Price
$535.99
$/GB
$0.038
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Capacity
6TB
Price
$231.18
$/GB
$0.039
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Capacity
8TB
Price
$309.99
$/GB
$0.039
Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ
Capacity
8 TB
Price
$309.99
$/GB
$0.039
Seagate Enterprise Capacity 3.5'' HDD 8TB 7200 RPM 4Kn SATA 6Gb/s 256MB Cache Internal Hard Drive ST8000NM0045
Capacity
8TB
Price
$310.00
$/GB
$0.039
Seagate Exos X18 ST16000NM001J 16 TB Hard Drive - Internal - SATA (SATA/600) - Video Surveillance System, Storage System Device Supported - 7200rpm
Capacity
16TB
Price
$622.10
$/GB
$0.039
Dell 2G4HM 2TB 7.2k rpm 3.5' SATA-3Gb/s Hard Drive
Capacity
2TB
Price
$77.95
$/GB
$0.039
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Capacity
18TB
Price
$704.00
$/GB
$0.039
Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400)
Capacity
6 TB
Price
$234.98
$/GB
$0.039
Seagate Expansion 28TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP28000400)
Capacity
28 TB
Price
$1102.90
$/GB
$0.039
WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black
Capacity
20TB
Price
$789.00
$/GB
$0.039
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
Capacity
8 TB
Price
$315.99
$/GB
$0.039
Seagate Constellation ES.3 ST3000NM0033 3TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Enterprise Internal Hard Drive Bare Drive
Capacity
3TB
Price
$119.00
$/GB
$0.040
WD Elements 10TB USB 3.0 Desktop External Hard Drive WDBWLG0100HBK-NESN Black
Capacity
10TB
Price
$397.00
$/GB
$0.040
WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive (For RAID, NAS, DVR, Desktop PC) w/1 Year Warranty
Capacity
3 TB
Price
$119.95
$/GB
$0.040
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)
Capacity
4 TB
Price
$159.99
$/GB
$0.040
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
Capacity
4TB
Price
$159.99
$/GB
$0.040
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty
Capacity
4 TB
Price
$159.99
$/GB
$0.040
Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST4000VXZ16/016)
Capacity
4 TB
Price
$159.99
$/GB
$0.040
Seagate IronWolf 12TB NAS 3.5 SATA Hard Drive ST12000VN0008 (PACK OF 2)
Capacity
12TB
Price
$479.99
$/GB
$0.040
Seagate IronWolf Pro 18TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST18000NE000
Capacity
18TB
Price
$720.00
$/GB
$0.040
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C compatible with most Windows and macOS, Rescue Recovery (STNB8000400)
Capacity
8TB
Price
$323.05
$/GB
$0.040
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
Capacity
6TB
Price
$243.00
$/GB
$0.041
WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black
Capacity
18TB
Price
$730.47
$/GB
$0.041
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Capacity
18TB
Price
$736.99
$/GB
$0.041
Seagate Expansion 24TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP24000400)
Capacity
24 TB
Price
$988.98
$/GB
$0.041
WD 16TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0160HBK-NESN
Capacity
16 TB
Price
$659.99
$/GB
$0.041
WD - Blue 8TB PC Internal Hard Drive for Desktops
Capacity
8 TB
Price
$329.99
$/GB
$0.041
Seagate IronWolf Pro 14TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST14000NE0008
Capacity
14TB
Price
$579.69
$/GB
$0.041
Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache
Capacity
4TB
Price
$165.99
$/GB
$0.041
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$664.00
$/GB
$0.042
WD 4TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0040BBK-WESN
Capacity
4 TB
Price
$166.14
$/GB
$0.042
Seagate Savvio 10K.7 1.20 TB 2.5' Internal Hard Drive ST1200MM0007 (ST1200MM0007)
Capacity
1.2TB
Price
$49.94
$/GB
$0.042
WD 16TB Elements Desktop External Hard Drive, USB 3.0 for plug-and-play storage - WDBWLG0160HBK-NESN
Capacity
16 TB
Price
$665.99
$/GB
$0.042
WD 20TB Elements Desktop External Hard Drive, USB 3.0 drive for plug-and-play storage - WDBWLG0200HBK-NESN
Capacity
20 TB
Price
$835.99
$/GB
$0.042
Western Digital 14TB Elements Desktop External Hard Drive, USB 3.0 external hard drive for plug-and-play storage - Western DigitalBWLG0140HBK-NESN
Capacity
14 TB
Price
$586.89
$/GB
$0.042
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Capacity
18TB
Price
$754.99
$/GB
$0.042
Western Digital 10TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD100EAGZ
Capacity
10 TB
Price
$419.99
$/GB
$0.042
WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
10TB
Price
$419.99
$/GB
$0.042
HP 628059-B21 3TB 7200 RPM SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$126.19
$/GB
$0.042
Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ
Capacity
12 TB
Price
$504.99
$/GB
$0.042
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$504.99
$/GB
$0.042
Seagate IronWolf Pro 22TB Enterprise NAS Internal HDD - CMR 3.5in SATA 6Gb/s 7200 RPM (ST22000NT001)
Capacity
22TB
Price
$926.00
$/GB
$0.042
Hitachi GST Ultrastar A7K2000 0F10452 2TB 7200 RPM 32MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
2TB
Price
$84.20
$/GB
$0.042
Seagate IronWolf Pro ST16000NE000 16 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST16000NE000)
Capacity
16TB
Price
$674.00
$/GB
$0.042
Seagate Ironwolf pro 16tb nas internal hard drive hdd - cmr 3.5 inch sata 6gb/s 7200 rpm 256mb cache for raid network attached storage, data
Capacity
16TB
Price
$675.00
$/GB
$0.042
Seagate IronWolf ST16000VN001 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
16TB
Price
$675.00
$/GB
$0.042
Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004)
Capacity
4TB
Price
$168.99
$/GB
$0.042
Seagate SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
Capacity
16TB
Price
$676.30
$/GB
$0.042
White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC)
Capacity
4 TB
Price
$169.95
$/GB
$0.042
WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty
Capacity
4 TB
Price
$169.99
$/GB
$0.042
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Capacity
8TB
Price
$339.99
$/GB
$0.042
Seagate ST6000NM0115 6TB 7200 RPM SATA 6GB/s 512e Exos 7E8 256MB Cache 3.5-inch Hard Drive
Capacity
6TB
Price
$255.00
$/GB
$0.043
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Capacity
2TB
Price
$85.00
$/GB
$0.043
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$768.69
$/GB
$0.043
Seagate BarraCuda Pro ST14000DM001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
14TB
Price
$599.10
$/GB
$0.043
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$514.49
$/GB
$0.043
Seagate Portable 5TB External Hard Drive HDD – USB 3.0 for PC, Mac, PS4, & Xbox - 1-Year Rescue Service (STGX5000400), Black
Capacity
5 TB
Price
$214.99
$/GB
$0.043
Seagate SkyHawk AI ST10000VE0008 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
10TB
Price
$431.00
$/GB
$0.043
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$1035.10
$/GB
$0.043
Seagate SkyHawk AI ST12000VE0008 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
12TB
Price
$517.99
$/GB
$0.043
Seagate SkyHawk AI ST16000VE002 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
16TB
Price
$691.99
$/GB
$0.043
Seagate Exos X18 ST14000NM000J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Capacity
14TB
Price
$605.99
$/GB
$0.043
Seagate Desktop HDD ST3000DM001 3TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$130.00
$/GB
$0.043
Western Digital WD 5TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0050BBK-WESN
Capacity
5 TB
Price
$217.95
$/GB
$0.044
WD 5TB My Passport, Portable External Hard Drive, Black, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0050BBK-WESN
Capacity
5 TB
Price
$218.00
$/GB
$0.044
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
24TB
Price
$1048.99
$/GB
$0.044
Most tracked Hard Drives (HDD)
Products with the longest price history on BuyPerUnit
- Western Digital WD - easystore 8TB External USB 3.0 Hard Drive - Black
- Western Digital WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
- Western Digital WD - easystore 20TB External USB 3.0 Hard Drive - Black
- Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA
- Western Digital WD - My Passport 5TB External USB 3.0 Portable Hard Drive - Black
- Western Digital WD - My Passport Ultra 4TB External USB 3.0 Portable Hard Drive - Silver
- Toshiba Canvio Basics 1TB Portable External Hard Drive USB 3.0, Black - HDTB510XK3AA
- G-DRIVE SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray
- Western Digital WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black
- NRICO 2.5 Inch Portable External Hard Drive Ultra-Slim HDD USB 3.0 500GB | Plug & Play Hard Drive for Backup,PC, Mac, Laptop, PS4, Xbox one,Xbox 360(Blue)
- GAZELLE High-Speed 1TB Ultra Slim Portable External Hard Drive - 2-in-1 Type C & USB 3.0, Compatible with PC, Mac, Laptop, PS4, Xbox, iPad, Tablet, Mobile (Black) - 1 Year Warranty
- ModusTech Facet 500GB External Hard Drive Portable USB-C/USB 3.1 Plug & Play Ultra- Slim HDD Hard Drive for Backup, Gaming, PC, Mac, Laptop, PS4, Xbox, Smart TV (Black)
Buy Cheap Hard Drives: Find the Best HDD Deals in 2026
Looking to buy cheap hard drives? You're in the right place. BuyPerUnit compares 1108+ HDDs ranked by price per gigabyte — a capacity-cost comparison to use alongside compatibility, performance and warranty.
Right now, the cheapest HDD storage starts at just $0.025/GB, while the average on this page is $0.039/GB. Whether you need bulk storage for backups, a NAS, or a media server, we help you find the best deal. For faster storage, compare SSDs here.
HDD Buying Guide: Get the Best Value
1. Compare Price Per GB
A $150 4TB drive ($0.037/GB) beats a $70 1TB drive ($0.07/GB) in value. Always divide price by capacity to find the real cost — that's what we do for every listing.
2. Bigger = Cheaper Per GB
Storage follows economies of scale. 4TB+ drives almost always have the lowest price per gigabyte. Buy more capacity upfront to save long-term.
3. Match RPM to Your Use Case
7200 RPM drives are faster and better for desktop use or active NAS workloads. 5400 RPM drives run cooler and quieter — ideal for bulk archival or always-on backup drives where speed is less critical.
4. Watch for Sales
Hard drive prices fluctuate. We update prices daily so you can catch the best deals. Bookmark this page and check back regularly.
3.5" Desktop vs 2.5" Laptop HDD: Which Should You Buy?
| Type | Typical $/GB | Max Capacity | Best For |
|---|---|---|---|
| 3.5" Desktop HDD | $0.015–0.025 | 20TB+ | Desktop PC, NAS, media server |
| 2.5" Laptop HDD | $0.025–0.045 | 5TB | Laptop upgrade, portable use |
| External HDD | $0.020–0.040 | 20TB+ | Backup, portable storage, archiving |
Frequently Asked Questions About Buying Hard Drives
What is the cheapest hard drive per GB right now?
Is it better to buy one large hard drive or multiple smaller ones?
Should I buy 5400 RPM or 7200 RPM?
When is the best time to buy cheap hard drives?
What brands make the most reliable hard drives?
How We Find the Cheapest Hard Drives
BuyPerUnit calculates the price per gigabyte for every hard drive by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare drives of different sizes.
Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon, Best Buy, and Newegg to ensure you always see current deals. Click any product to view the latest price and purchase directly.
BuyPerUnit is an affiliate site. We earn a commission when you purchase through our links at no extra cost to you.
Shop Hard Drives (HDD) by Brand
Shop Hard Drives (HDD) by Capacity
Related guides
Wholesale NAND flash contract prices are surging in 2026. See the live retail price-per-GB floor and where TrendForce projects it heading next.
Find the best external SSD for iPhone 16 backup. Learn to calculate $/GB against the market floor and avoid overpaying for ProRes storage.
Live SSD price-per-GB data shows no Thunderbolt 4 drive has hit our floor yet. See four TB4 SSDs and enclosures ranked against the SATA baseline.