Hard Drives (HDD)
Ranked by price per gigabyte
Updated daily · No paid placements
Prices refresh twice daily; 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 | |||||||
|---|---|---|---|---|---|---|---|---|---|
301 | HDD | 8TB | — | $384.70checked 7h ago | $0.048View at Newegg | ||||
302 | HDD | 12TB | — | $577.45checked 7h ago | $0.048View at Newegg | ||||
303 | HDD | 4TB | — | $192.50checked 7h ago | $0.048View at Newegg | ||||
304 | HDD | 4TB | — | $192.50checked 7h ago | $0.048View at Newegg | ||||
305 | HDD | 12TB | — | $578.98checked 7h ago | $0.048View at Newegg | ||||
306 | HDD | 6TB | — | $289.50checked 7h ago | $0.048View at Newegg | ||||
307 | HDD | 6TB | — | $289.99checked 7h ago | $0.048View at Newegg | ||||
308 | HDD | 12TB | — | $580.10checked 7h ago | $0.048View at Newegg | ||||
309 | HDD | 16TB | — | $774.45checked 7h ago | $0.048View at Newegg | ||||
310 | HDD | 24TB | — | $1166.00checked 7h ago | $0.049View at Newegg | ||||
311 | HDD | 8TB | — | $389.00checked 7h ago | $0.049View at Newegg | ||||
312 | HDD | 14TB | — | $680.90checked 19h ago | $0.049View at Newegg | ||||
313 | HDD | 22TB | — | $1070.35checked 7h ago | $0.049View at Newegg | ||||
314 | HDD | 4 TB | — | $194.95checked 7h ago | $0.049View at Amazon | ||||
315 | HDD | 4 TB | — | $194.99checked 7h ago | $0.049View at Amazon | ||||
316 | HDD | 4 TB | — | $194.99checked 7h ago | $0.049View at Amazon | ||||
317 | HDD | 4 TB | 180 / 180MB/s | 4.4(13) | $194.99checked 7h ago | $0.049View at Best Buy | |||
318 | HDD | 4TB | — | $194.99checked 7h ago | $0.049View at Newegg | ||||
319 | HDD | 4 TB | — | $195.00checked 7h ago | $0.049View at Amazon | ||||
320 | HDD | 4 TB | — | $195.00checked 7h ago | $0.049View at Amazon | ||||
321 | HDD | 4TB | — | $195.00checked 7h ago | $0.049View at Newegg | ||||
322 | HDD | 12TB | — | $585.27checked 7h ago | $0.049View at Newegg | ||||
323 | HDD | 4TB | — | $195.20checked 7h ago | $0.049View at Newegg | ||||
324 | HDD | 8TB | — | $391.08checked 7h ago | $0.049View at Newegg | ||||
325 | HDD | 8TB | — | $391.30checked 7h ago | $0.049View at Newegg | ||||
326 | HDD | 4TB | — | $195.94checked 7h ago | $0.049View at Newegg | ||||
327 | HDD | 4 TB | — | $195.95checked 7h ago | $0.049View at Amazon | ||||
328 | HDD | 20TB | — | $979.90checked 7h ago | $0.049View at Newegg | ||||
329 | HDD | 12TB | — | $588.94checked 7h ago | $0.049View at Newegg | ||||
330 | HDD | 4 TB | — | $196.38checked 7h ago | $0.049View at Amazon | ||||
331 | HDD | 8TB | — | $393.00checked 7h ago | $0.049View at Newegg | ||||
332 | HDD | 4TB | — | $196.60checked 19h ago | $0.049View at Newegg | ||||
333 | HDD | 6TB | — | $295.00checked 19h ago | $0.049View at Newegg | ||||
334 | HDD | 18TB | — | $885.26checked 7h ago | $0.049View at Newegg | ||||
335 | HDD | 5TB | — | $246.00checked 7h ago | $0.049View at Newegg | ||||
336 | HDD | 14TB | — | $689.99checked 7h ago | $0.049View at Newegg | ||||
337 | HDD | 4TB | — | $197.21checked 19h ago | $0.049View at Newegg | ||||
338 | HDD | 8TB | — | $394.45checked 7h ago | $0.049View at Newegg | ||||
339 | HDD | 8TB | — | $394.45checked 19h ago | $0.049View at Newegg | ||||
340 | HDD | 20TB | — | $986.14checked 31h ago | $0.049View at Newegg | ||||
341 | HDD | 18TB | — | $888.99checked 7h ago | $0.049View at Newegg | ||||
342 | HDD | 12TB | — | $594.45checked 7h ago | $0.050View at Newegg | ||||
343 | HDD | 12TB | — | $594.85checked 7h ago | $0.050View at Newegg | ||||
344 | HDD | 18TB | — | $894.45checked 7h ago | $0.050View at Newegg | ||||
345 | HDD | 20TB | — | $993.99checked 7h ago | $0.050View at Newegg | ||||
346 | HDD | 10TB | — | $497.45checked 7h ago | $0.050View at Newegg | ||||
347 | HDD | 4 TB | — | $198.99checked 7h ago | $0.050View at Amazon | ||||
348 | HDD | 5 TB | — | $248.79checked 7h ago | $0.050View at Amazon | ||||
349 | HDD | 6TB | — | $299.00checked 7h ago | $0.050View at Newegg | ||||
350 | HDD | 14TB | — | $697.95checked 7h ago | $0.050View at Newegg | ||||
351 | HDD | 6TB | — | $299.82checked 7h ago | $0.050View at Newegg | ||||
352 | HDD | 14TB | — | $699.90checked 7h ago | $0.050View at Newegg | ||||
353 | HDD | 2 TB | — | $99.99checked 7h ago | $0.050View at Amazon | ||||
354 | HDD | 4TB | — | $199.99checked 19h ago | $0.050View at Newegg | ||||
355 | HDD | 4TB | — | $199.99checked 7h ago | $0.050View at Newegg | ||||
356 | HDD | 6TB | — | $299.99checked 7h ago | $0.050View at Newegg | ||||
357 | HDD | 8 TB | 250 / 250MB/s | 4.7(986) | $399.99checked 7h ago | $0.050View at Best Buy | |||
358 | HDD | 10TB | — | $499.99checked 7h ago | $0.050View at Newegg | ||||
359 | HDD | 8TB | — | $399.99checked 7h ago | $0.050View at Newegg | ||||
360 | HDD | 8TB | — | $399.99checked 31h ago | $0.050View at Newegg | ||||
361 | HDD | 8TB | — | $400.00checked 7h ago | $0.050View at Newegg | ||||
362 | HDD | 20TB | — | $1000.10checked 7h ago | $0.050View at Newegg | ||||
363 | HDD | 26TB | — | $1312.99checked 7h ago | $0.051View at Newegg | ||||
364 | HDD | 4TB | — | $202.03checked 7h ago | $0.051View at Newegg | ||||
365 | HDD | 16TB | — | $808.99checked 7h ago | $0.051View at Newegg | ||||
366 | HDD | 12TB | — | $607.10checked 7h ago | $0.051View at Newegg | ||||
367 | HDD | 10TB | — | $505.99checked 7h ago | $0.051View at Newegg | ||||
368 | HDD | 6TB | — | $304.00checked 7h ago | $0.051View at Newegg | ||||
369 | HDD | 4TB | — | $203.00checked 7h ago | $0.051View at Newegg | ||||
370 | HDD | 18TB | — | $914.25checked 7h ago | $0.051View at Newegg | ||||
371 | HDD | 6TB | — | $304.99checked 7h ago | $0.051View at Newegg | ||||
372 | HDD | 12TB | — | $609.99checked 19h ago | $0.051View at Newegg | ||||
373 | HDD | 6TB | — | $305.50checked 7h ago | $0.051View at Newegg | ||||
374 | HDD | 3TB | — | $152.99checked 7h ago | $0.051View at Newegg | ||||
375 | HDD | 4TB | — | $204.00checked 7h ago | $0.051View at Newegg | ||||
376 | HDD | 6TB | — | $306.90checked 7h ago | $0.051View at Newegg | ||||
377 | HDD | 18TB | — | $924.45checked 7h ago | $0.051View at Newegg | ||||
378 | HDD | 18TB | — | $925.00checked 7h ago | $0.051View at Newegg | ||||
379 | HDD | 4TB | — | $205.88checked 7h ago | $0.051View at Newegg | ||||
380 | HDD | 4TB | — | $206.29checked 7h ago | $0.052View at Newegg | ||||
381 | HDD | 4TB | — | $206.45checked 7h ago | $0.052View at Newegg | ||||
382 | HDD | 6 TB | — | $310.00checked 7h ago | $0.052View at Amazon | ||||
383 | HDD | 3TB | — | $155.00checked 7h ago | $0.052View at Newegg | ||||
384 | HDD | 8TB | — | $413.83checked 7h ago | $0.052View at Newegg | ||||
385 | HDD | 4TB | — | $206.95checked 7h ago | $0.052View at Newegg | ||||
386 | HDD | 8TB | — | $415.10checked 7h ago | $0.052View at Newegg | ||||
387 | HDD | 8TB | — | $415.30checked 7h ago | $0.052View at Newegg | ||||
388 | HDD | 12TB | — | $623.47checked 7h ago | $0.052View at Newegg | ||||
389 | HDD | 26TB | — | $1351.23checked 7h ago | $0.052View at Newegg | ||||
390 | HDD | 750 GB | — | $38.99checked 7h ago | $0.052View at Amazon | ||||
391 | HDD | 18TB | — | $935.83checked 7h ago | $0.052View at Newegg | ||||
392 | HDD | 2TB | — | $104.00checked 7h ago | $0.052View at Newegg | ||||
393 | HDD | 14TB | — | $728.02checked 7h ago | $0.052View at Newegg | ||||
394 | HDD | 5TB | — | $260.29checked 19h ago | $0.052View at Newegg | ||||
395 | HDD | 12TB | — | $625.45checked 7h ago | $0.052View at Newegg | ||||
396 | HDD | 6TB | — | $312.99checked 7h ago | $0.052View at Newegg | ||||
397 | HDD | 14TB | — | $730.88checked 7h ago | $0.052View at Newegg | ||||
398 | HDD | 5 TB | — | $261.19checked 7h ago | $0.052View at Amazon | ||||
399 | HDD | 26TB | — | $1358.86checked 7h ago | $0.052View at Newegg | ||||
400 | HDD | 4TB | — | $209.09checked 19h ago | $0.052View at Newegg |
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD60EZRZ
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black
HGST Ultrastar He8 HUH728080ALE600 (0F25739) 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives Bare Drive
Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
WD Red Pro 22TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD221KFGX
Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400)
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD44PURZ
WD - Purple 4TB Surveillance Internal Hard Drive
WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ
Seagate Barracuda ST4000LM024 4 TB 2.5" Internal Hard Drive
Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA
Seagate BarraCuda ST4000DM005 4TB 64MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN)
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XK3CA Black
WD Elements 8TB USB 3.0 Desktop External Hard Drive WDBWLG0080HBK-NESN Black
Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XG3CA Green
Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004
Seagate One Touch Hub 20TB External Desktop Hard Drive STLC20000400
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA
Seagate IronWolf Pro ST8000NE001 8 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XR3CA Red
Seagate SkyHawk 6TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VX0023
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
BUFFALO 5TB MiniStation HD-PGF Portable Hard Drive USB 3.2 Gen 1, Micro B Model HD-PGF5.0U3GB
Seagate IronWolf Pro ST14000NT001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XK3CA Black
Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
HP 791393-002 - 8TB 3.5' SATA 7.2K 6Gb/s SC Hard Drive
WD Red Pro 20TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD202KFGX
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX
WD Purple Pro 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD181PURP
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Seagate Enterprise Capacity ST10000NM0016 10TB 7200 RPM SATA 6.0Gb/s 256MB Cache Hyperscale 512e 3.5' Hard Disk Drives (ST10000NM0016)
Seagate 4 TB 3.5" Internal Hard Drive
Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)
WD 6TB My Passport Portable Storage External Hard Drive Black (WDBR9S0060BBK-WESN)
WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
WD My Book WDBBGB0140HBK - Hard drive - encrypted - 14 TB - external (desktop) - USB 3.0 - 256-bit AES - black
MDD 2TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (MDD2000GSA6472)
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024
Seagate SkyHawk ST4000VX016 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive HDD
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURX
WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
Seagate Skyhawk AI ST10000VE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000VE0008)
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Seagate Exos 7E8 8 TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST8000NM004A SED Model
Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN)
Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache
Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive
WD Elements 6TB USB 3.0 Desktop External Hard Drive WDBWLG0060HBK-NESN Black
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX
Seagate One Touch STLC18000400 18 TB Hard Drive - 3.5' External - SATA (SATA/600) - Black - USB 3.0 Micro-B
WD Red Plus 6TB 3.5' SATA III Internal NAS Hard Drive #WDBC9V0060HH1-WRSN
seagate expansion 12tb external hard drive hdd - usb 3.0, with rescue data recovery services (stkp12000402)
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch WD63PURZ
WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURX
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX
Toshiba S300 Surveillance - Hard drive - 6 TB - internal - 3.5' - SATA 6Gb/s - 5400 rpm - buffer: 256 MB
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
WD Purple Pro 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD181PURP
Toshiba Canvio Ready 4TB Portable External Hard Drive USB 3.0 HDTP340XK3CA Black
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XW3CA White
Toshiba Canvio Gaming - hard drive - 4 TB - USB 3.2 Gen 1
Seagate SkyHawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6GB/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging (ST6000VX001)
WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURZ
WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURZ
HGST HUH721008ALE600 - 8TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ
Western Digital Ultrastar DC HC555 WUH722012CLE6L4 12TB Hard Drive Internal SATA
WD Red Pro 26TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' HD OEM - WD260KFGX
HWAYO 750GB Ultra Slim Portable External Hard Drive 2.5'' HDD USB3.0
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Western Digital WD Green WD20EARX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX
Lacie STFR5000800 5TB Rugged USB 3.1 Gen 1 Type-C External Hard Drive
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
Seagate Exos 7E10 6TB 3.5' SATA 7200rpm Internal Hard Drive ST6000NM
Seagate Exos X16 14TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST14000NM001G20
WD 5TB My Passport for Mac, Navy, Portable External Hard Drive with backup software and password protection, USB 3.1/USB 3.0 compatible - WDBA2F0050BBL-WESN
WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN)
Dell 400-AENN - Dell 4TB 3.5' SATA 7.2K 6Gb/s Hard Drive
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Capacity
8TB
Price
$384.70
$/GB
$0.048
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Capacity
12TB
Price
$577.45
$/GB
$0.048
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)
Capacity
4TB
Price
$192.50
$/GB
$0.048
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)
Capacity
4TB
Price
$192.50
$/GB
$0.048
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX
Capacity
12TB
Price
$578.98
$/GB
$0.048
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX
Capacity
6TB
Price
$289.50
$/GB
$0.048
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 64MB Cache 3.5 Inch - WD60EZRZ
Capacity
6TB
Price
$289.99
$/GB
$0.048
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
Capacity
12TB
Price
$580.10
$/GB
$0.048
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
Capacity
16TB
Price
$774.45
$/GB
$0.048
WD My Book 24TB Desktop Hard Drive WDBBGB0240HBK-NESN Black
Capacity
24TB
Price
$1166.00
$/GB
$0.049
HGST Ultrastar He8 HUH728080ALE600 (0F25739) 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives Bare Drive
Capacity
8TB
Price
$389.00
$/GB
$0.049
Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Capacity
14TB
Price
$680.90
$/GB
$0.049
WD Red Pro 22TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD221KFGX
Capacity
22TB
Price
$1070.35
$/GB
$0.049
Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400)
Capacity
4 TB
Price
$194.95
$/GB
$0.049
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ
Capacity
4 TB
Price
$194.99
$/GB
$0.049
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD44PURZ
Capacity
4 TB
Price
$194.99
$/GB
$0.049
WD - Purple 4TB Surveillance Internal Hard Drive
Capacity
4 TB
Price
$194.99
$/GB
$0.049
WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ
Capacity
4TB
Price
$194.99
$/GB
$0.049
Seagate Barracuda ST4000LM024 4 TB 2.5" Internal Hard Drive
Capacity
4 TB
Price
$195.00
$/GB
$0.049
Seagate Constellation ES.3 ST4000NM0033 4 TB Hard Drive - 3.5 Internal - SATA
Capacity
4 TB
Price
$195.00
$/GB
$0.049
Seagate BarraCuda ST4000DM005 4TB 64MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
4TB
Price
$195.00
$/GB
$0.049
WD My Book 12TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0120HBK-NESN)
Capacity
12TB
Price
$585.27
$/GB
$0.049
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XK3CA Black
Capacity
4TB
Price
$195.20
$/GB
$0.049
WD Elements 8TB USB 3.0 Desktop External Hard Drive WDBWLG0080HBK-NESN Black
Capacity
8TB
Price
$391.08
$/GB
$0.049
Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
8TB
Price
$391.30
$/GB
$0.049
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XG3CA Green
Capacity
4TB
Price
$195.94
$/GB
$0.049
Seagate BarraCuda 4TB Internal Hard Drive HDD – 3.5 Inch Sata 6 Gb/s 5400 RPM 256MB Cache For Computer Desktop PC – Frustration Free Packaging ST4000DMZ04/DM004
Capacity
4 TB
Price
$195.95
$/GB
$0.049
Seagate One Touch Hub 20TB External Desktop Hard Drive STLC20000400
Capacity
20TB
Price
$979.90
$/GB
$0.049
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
Capacity
12TB
Price
$588.94
$/GB
$0.049
Toshiba Canvio Basics 4TB Portable External Hard Drive USB 3.0, Black - HDTB540XK3CA
Capacity
4 TB
Price
$196.38
$/GB
$0.049
Seagate IronWolf Pro ST8000NE001 8 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method
Capacity
8TB
Price
$393.00
$/GB
$0.049
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XR3CA Red
Capacity
4TB
Price
$196.60
$/GB
$0.049
Seagate SkyHawk 6TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VX0023
Capacity
6TB
Price
$295.00
$/GB
$0.049
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Capacity
18TB
Price
$885.26
$/GB
$0.049
BUFFALO 5TB MiniStation HD-PGF Portable Hard Drive USB 3.2 Gen 1, Micro B Model HD-PGF5.0U3GB
Capacity
5TB
Price
$246.00
$/GB
$0.049
Seagate IronWolf Pro ST14000NT001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
14TB
Price
$689.99
$/GB
$0.049
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XK3CA Black
Capacity
4TB
Price
$197.21
$/GB
$0.049
Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
8TB
Price
$394.45
$/GB
$0.049
HP 791393-002 - 8TB 3.5' SATA 7.2K 6Gb/s SC Hard Drive
Capacity
8TB
Price
$394.45
$/GB
$0.049
WD Red Pro 20TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD202KFGX
Capacity
20TB
Price
$986.14
$/GB
$0.049
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Capacity
18TB
Price
$888.99
$/GB
$0.049
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
Capacity
12TB
Price
$594.45
$/GB
$0.050
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX
Capacity
12TB
Price
$594.85
$/GB
$0.050
WD Purple Pro 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD181PURP
Capacity
18TB
Price
$894.45
$/GB
$0.050
Seagate Expansion 20TB External Hard Drive HDD - USB 3.0 with Rescue Data Recovery Services (STKP20000400)
Capacity
20TB
Price
$993.99
$/GB
$0.050
Seagate Enterprise Capacity ST10000NM0016 10TB 7200 RPM SATA 6.0Gb/s 256MB Cache Hyperscale 512e 3.5' Hard Disk Drives (ST10000NM0016)
Capacity
10TB
Price
$497.45
$/GB
$0.050
Seagate 4 TB 3.5" Internal Hard Drive
Capacity
4 TB
Price
$198.99
$/GB
$0.050
Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)
Capacity
5 TB
Price
$248.79
$/GB
$0.050
WD 6TB My Passport Portable Storage External Hard Drive Black (WDBR9S0060BBK-WESN)
Capacity
6TB
Price
$299.00
$/GB
$0.050
WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX
Capacity
14TB
Price
$697.95
$/GB
$0.050
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
Capacity
6TB
Price
$299.82
$/GB
$0.050
WD My Book WDBBGB0140HBK - Hard drive - encrypted - 14 TB - external (desktop) - USB 3.0 - 256-bit AES - black
Capacity
14TB
Price
$699.90
$/GB
$0.050
MDD 2TB 64MB Cache 7200RPM SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (MDD2000GSA6472)
Capacity
2 TB
Price
$99.99
$/GB
$0.050
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024
Capacity
4TB
Price
$199.99
$/GB
$0.050
Seagate SkyHawk ST4000VX016 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive HDD
Capacity
4TB
Price
$199.99
$/GB
$0.050
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURX
Capacity
6TB
Price
$299.99
$/GB
$0.050
WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
Capacity
8 TB
Price
$399.99
$/GB
$0.050
Seagate Skyhawk AI ST10000VE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000VE0008)
Capacity
10TB
Price
$499.99
$/GB
$0.050
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
Capacity
8TB
Price
$399.99
$/GB
$0.050
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Capacity
8TB
Price
$399.99
$/GB
$0.050
Seagate Exos 7E8 8 TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST8000NM004A SED Model
Capacity
8TB
Price
$400.00
$/GB
$0.050
Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
20TB
Price
$1000.10
$/GB
$0.050
WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN)
Capacity
26TB
Price
$1312.99
$/GB
$0.051
Seagate Barracuda ST4000DM004 Internal Hard Drive 4TB (4000GB) 3.5' PC Computer Disk SATA III 6Gb/s 256MB cache
Capacity
4TB
Price
$202.03
$/GB
$0.051
Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Capacity
16TB
Price
$808.99
$/GB
$0.051
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Capacity
12TB
Price
$607.10
$/GB
$0.051
WD Red WD100EFAX 10TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' NAS Hard Drive Bare Drive
Capacity
10TB
Price
$505.99
$/GB
$0.051
WD Elements 6TB USB 3.0 Desktop External Hard Drive WDBWLG0060HBK-NESN Black
Capacity
6TB
Price
$304.00
$/GB
$0.051
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX
Capacity
4TB
Price
$203.00
$/GB
$0.051
Seagate One Touch STLC18000400 18 TB Hard Drive - 3.5' External - SATA (SATA/600) - Black - USB 3.0 Micro-B
Capacity
18TB
Price
$914.25
$/GB
$0.051
WD Red Plus 6TB 3.5' SATA III Internal NAS Hard Drive #WDBC9V0060HH1-WRSN
Capacity
6TB
Price
$304.99
$/GB
$0.051
seagate expansion 12tb external hard drive hdd - usb 3.0, with rescue data recovery services (stkp12000402)
Capacity
12TB
Price
$609.99
$/GB
$0.051
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 256MB Cache 3.5 Inch WD63PURZ
Capacity
6TB
Price
$305.50
$/GB
$0.051
WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURX
Capacity
3TB
Price
$152.99
$/GB
$0.051
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURX
Capacity
4TB
Price
$204.00
$/GB
$0.051
Toshiba S300 Surveillance - Hard drive - 6 TB - internal - 3.5' - SATA 6Gb/s - 5400 rpm - buffer: 256 MB
Capacity
6TB
Price
$306.90
$/GB
$0.051
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Capacity
18TB
Price
$924.45
$/GB
$0.051
WD Purple Pro 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD181PURP
Capacity
18TB
Price
$925.00
$/GB
$0.051
Toshiba Canvio Ready 4TB Portable External Hard Drive USB 3.0 HDTP340XK3CA Black
Capacity
4TB
Price
$205.88
$/GB
$0.051
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XW3CA White
Capacity
4TB
Price
$206.29
$/GB
$0.052
Toshiba Canvio Gaming - hard drive - 4 TB - USB 3.2 Gen 1
Capacity
4TB
Price
$206.45
$/GB
$0.052
Seagate SkyHawk 6TB Surveillance Internal Hard Drive HDD – 3.5 Inch SATA 6GB/s 256MB Cache for DVR NVR Security Camera System with Drive Health Management – Frustration Free Packaging (ST6000VX001)
Capacity
6 TB
Price
$310.00
$/GB
$0.052
WD Purple 3TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD30PURZ
Capacity
3TB
Price
$155.00
$/GB
$0.052
WD Red Plus 8TB 5640 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD80EFPX
Capacity
8TB
Price
$413.83
$/GB
$0.052
WD Purple 4TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD40PURZ
Capacity
4TB
Price
$206.95
$/GB
$0.052
HGST HUH721008ALE600 - 8TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
Capacity
8TB
Price
$415.10
$/GB
$0.052
WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ
Capacity
8TB
Price
$415.30
$/GB
$0.052
Western Digital Ultrastar DC HC555 WUH722012CLE6L4 12TB Hard Drive Internal SATA
Capacity
12TB
Price
$623.47
$/GB
$0.052
WD Red Pro 26TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' HD OEM - WD260KFGX
Capacity
26TB
Price
$1351.23
$/GB
$0.052
HWAYO 750GB Ultra Slim Portable External Hard Drive 2.5'' HDD USB3.0
Capacity
750 GB
Price
$38.99
$/GB
$0.052
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Capacity
18TB
Price
$935.83
$/GB
$0.052
Western Digital WD Green WD20EARX 2TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
2TB
Price
$104.00
$/GB
$0.052
WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX
Capacity
14TB
Price
$728.02
$/GB
$0.052
Lacie STFR5000800 5TB Rugged USB 3.1 Gen 1 Type-C External Hard Drive
Capacity
5TB
Price
$260.29
$/GB
$0.052
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
Capacity
12TB
Price
$625.45
$/GB
$0.052
Seagate Exos 7E10 6TB 3.5' SATA 7200rpm Internal Hard Drive ST6000NM
Capacity
6TB
Price
$312.99
$/GB
$0.052
Seagate Exos X16 14TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST14000NM001G20
Capacity
14TB
Price
$730.88
$/GB
$0.052
WD 5TB My Passport for Mac, Navy, Portable External Hard Drive with backup software and password protection, USB 3.1/USB 3.0 compatible - WDBA2F0050BBL-WESN
Capacity
5 TB
Price
$261.19
$/GB
$0.052
WD Elements 26 TB External Desktop Hard Drive - USB 3.2 - Black (WDBWLG0260HBK-NESN)
Capacity
26TB
Price
$1358.86
$/GB
$0.052
Dell 400-AENN - Dell 4TB 3.5' SATA 7.2K 6Gb/s Hard Drive
Capacity
4TB
Price
$209.09
$/GB
$0.052
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 948+ HDDs ranked by price per gigabyte — the only metric that truly shows you which drives offer the best value for your money.
Right now, the cheapest HDD storage starts at just $0.000/GB, while the average across all drives is $0.050/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
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