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 | |||||||
|---|---|---|---|---|---|---|---|---|---|
201 | HDD | 6TB | — | $379.99checked 9h ago | $0.063View at Newegg | ||||
202 | HDD | 6TB | — | $379.99checked 9h ago | $0.063View at Newegg | ||||
203 | HDD | 6TB | — | $382.48checked 9h ago | $0.064View at Newegg | ||||
204 | HDD | 8TB | — | $510.00checked 9h ago | $0.064View at Newegg | ||||
205 | HDD | 6TB | — | $384.45checked 9h ago | $0.064View at Newegg | ||||
206 | HDD | 8TB | — | $514.45checked 9h ago | $0.064View at Newegg | ||||
207 | HDD | 6TB | — | $388.58checked 9h ago | $0.065View at Newegg | ||||
208 | HDD | 6TB | — | $388.99checked 9h ago | $0.065View at Newegg | ||||
209 | HDD | 6TB | — | $389.90checked 9h ago | $0.065View at Newegg | ||||
210 | HDD | 8TB | — | $519.99checked 9h ago | $0.065View at Newegg | ||||
211 | HDD | 6TB | — | $390.99checked 9h ago | $0.065View at Newegg | ||||
212 | HDD | 6 TB | — | $391.45checked 9h ago | $0.065View at Amazon | ||||
213 | HDD | 6TB | — | $391.45checked 9h ago | $0.065View at Newegg | ||||
214 | HDD | 6TB | — | $392.99checked 9h ago | $0.065View at Newegg | ||||
215 | HDD | 8TB | — | $524.45checked 9h ago | $0.066View at Newegg | ||||
216 | HDD | 8TB | — | $524.45checked 9h ago | $0.066View at Newegg | ||||
217 | HDD | 6TB | — | $394.45checked 9h ago | $0.066View at Newegg | ||||
218 | HDD | 6TB | — | $394.45checked 9h ago | $0.066View at Newegg | ||||
219 | HDD | 5TB | — | $329.69checked 9h ago | $0.066View at Newegg | ||||
220 | HDD | 6TB | — | $399.00checked 9h ago | $0.067View at Newegg | ||||
221 | HDD | 6TB | — | $399.95checked 9h ago | $0.067View at Newegg | ||||
222 | HDD | 6TB | — | $400.00checked 9h ago | $0.067View at Newegg | ||||
223 | HDD | 8TB | — | $534.99checked 9h ago | $0.067View at Newegg | ||||
224 | HDD | 8TB | — | $541.10checked 9h ago | $0.068View at Newegg | ||||
225 | HDD | 8TB | — | $544.45checked 9h ago | $0.068View at Newegg | ||||
226 | HDD | 6 TB | — | $409.90checked 9h ago | $0.068View at Amazon | ||||
227 | HDD | 8TB | — | $547.50checked 9h ago | $0.068View at Newegg | ||||
228 | HDD | 8TB | — | $549.99checked 9h ago | $0.069View at Newegg | ||||
229 | HDD | 5TB | — | $350.00checked 9h ago | $0.070View at Newegg | ||||
230 | HDD | 6TB | — | $424.45checked 9h ago | $0.071View at Newegg | ||||
231 | HDD | 5TB | — | $354.99checked 9h ago | $0.071View at Newegg | ||||
232 | HDD | 8TB | — | $568.99checked 21h ago | $0.071View at Newegg | ||||
233 | HDD | 6TB | — | $447.45checked 9h ago | $0.075View at Newegg | ||||
234 | HDD | 6TB | — | $454.45checked 9h ago | $0.076View at Newegg | ||||
235 | HDD | 8TB | — | $645.10checked 9h ago | $0.081View at Newegg | ||||
236 | HDD | 6TB | — | $499.10checked 9h ago | $0.083View at Newegg | ||||
237 | HDD | 6 TB | — | $499.99checked 9h ago | $0.083View at Amazon | ||||
238 | HDD | 8TB | — | $728.38checked 9h ago | $0.091View at Newegg | ||||
239 | HDD | 8TB | — | $769.00checked 9h ago | $0.096View at Newegg | ||||
240 | HDD | 6TB | — | $615.30checked 9h ago | $0.103View at Newegg | ||||
241 | HDD | 6TB | — | $644.99checked 33h ago | $0.107View at Newegg | ||||
242 | HDD | 6TB | — | $656.63checked 9h ago | $0.109View at Newegg | ||||
243 | HDD | 5TB | — | $564.95checked 9h ago | $0.113View at Newegg | ||||
244 | HDD | 5TB | — | $564.95checked 9h ago | $0.113View at Newegg | ||||
245 | HDD | 5TB | — | $564.95checked 9h ago | $0.113View at Newegg | ||||
246 | HDD | 5TB | — | $564.95checked 9h ago | $0.113View at Newegg | ||||
247 | HDD | 6TB | — | $694.10checked 9h ago | $0.116View at Newegg | ||||
248 | HDD | 8TB | — | $978.10checked 9h ago | $0.122View at Newegg | ||||
249 | HDD | 6TB | — | $843.21checked 21h ago | $0.141View at Newegg |
WD 6TB Portable Storage External Hard Drive Blue (WDBR9S0060BBL-WESN)
WD Red Plus 6TB NAS Hard Disk Drive - 5640 RPM Class SATA 6Gb/s, CMR, 128MB Cache, 3.5 Inch - WD60EFZX
WD My Book 6TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0060HBK-NESN)
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 128MB Cache 3.5 Inch - WD6002FZWX
WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ
WD 6TB My Passport Portable Storage External Hard Drive Black (WDBR9S0060BBK-WESN)
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX
Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400
Seagate IronWolf Pro 8TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST8000NE001
WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD6004FZBX
Seagate 6TB IronWolf NAS SATA 6Gb/s NCQ 128MB Cache 3.5-Inch Internal Hard Drive (ST6000VN0041)
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX
WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
WD Black WD8002FZWX 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Hard Drives
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX
WD Red 6TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, SMR, 256MB Cache, 3.5' - WD60EFAX
WD 5TB My Passport for Mac Portable External Hard Drive Storage USB-C/USB-A 3.2 - Midnight Blue (WDBA2F0050BBL-WESN)
hgst hgst ultrastar he6 6tb 3.5' sas 7200 rpm enterprise internal hard drive - sas 64 mb cache, 12gb/s - hus726060als640 / 0f18370 64 mb cache
WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ
Seagate IronWolf 6TB NAS Hard Drive 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VN0041
SanDisk Professional G-DRIVE SDPHF1A-008T-NBAAD 8 TB Desktop External Hard Drive - USB 3.2 (Gen 2) Type C - 7200rpm
Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
WD Purple Pro WD8001PURP 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
Western Digital 6TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAX
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
BUFFALO Technology - OP-HD8.0H2U-5Y 8 TB 3.5 Internal Hard Drive - SATA
Seagate Enterprise NAS ST5000VN0001 5TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
WD Purple WD62PURZ 6TB 5640 RPM 128MB SATA 6.0Gb/s 3.5' Hard Drive
Western Digital G-DRIVE ArmorATD 5TB Portable Rugged 2.5' External Hard Drive
Apricorn Aegis Padlock DT ADT-3PL256-8000 8 TB 3.5' External Hard Drive
WD Red Plus 6TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD60EFRX
WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ
Seagate BarraCuda Pro ST8000DM005 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021
Western Digital 6TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD6003FFBX
hgst/wd hus728t8tal5204 3.5' 8tb sas 12gb/s 7.2k rpm 256m 0b36400 512e se
Toshiba MG Series - Hard drive - 8 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 256 MB
Toshiba 6TB X300 Performance 3.5' CMR Internal Hard Drive
SanDisk Professional 6TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
TOSHIBA X300 HDWR160XZSTA 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Desktop Internal Hard Drive Retail Packaging
iStorage diskAshur2 5TB Black - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
iStorage diskAshur2 HDD 5TB Green - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
iStorage diskAshur2 HDD 5TB Blue - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
iStorage diskAshur2 HDD 5TB Red - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
Toshiba MD04ACA600 Md04Aca Series - Hard Drive - 6 Tb - Internal - 3.5 Inch - Sata 6Gb/S - 7200 Rpm - Buffer: 128 Mb
Seagate Exos 7E10 8TB SATA Video Surveillance Hard Drive ST8000NM
seagate barracuda pro performance internal hard drive sata hdd 6tb 6gb/s 128mb cache 3.5-inch (st6000dm004)
WD 6TB Portable Storage External Hard Drive Blue (WDBR9S0060BBL-WESN)
Capacity
6TB
Price
$379.99
$/GB
$0.063
WD Red Plus 6TB NAS Hard Disk Drive - 5640 RPM Class SATA 6Gb/s, CMR, 128MB Cache, 3.5 Inch - WD60EFZX
Capacity
6TB
Price
$379.99
$/GB
$0.063
WD My Book 6TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0060HBK-NESN)
Capacity
6TB
Price
$382.48
$/GB
$0.064
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
Capacity
8TB
Price
$510.00
$/GB
$0.064
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 128MB Cache 3.5 Inch - WD6002FZWX
Capacity
6TB
Price
$384.45
$/GB
$0.064
WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ
Capacity
8TB
Price
$514.45
$/GB
$0.064
WD 6TB My Passport Portable Storage External Hard Drive Black (WDBR9S0060BBK-WESN)
Capacity
6TB
Price
$388.58
$/GB
$0.065
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX
Capacity
6TB
Price
$388.99
$/GB
$0.065
Seagate One Touch 6TB 3.5' External USB 3.0 External Hard Drive STLC6000400
Capacity
6TB
Price
$389.90
$/GB
$0.065
Seagate IronWolf Pro 8TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST8000NE001
Capacity
8TB
Price
$519.99
$/GB
$0.065
WD Black 6TB Gaming Performance Internal Hard Drive HDD - 7200 RPM, 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD6004FZBX
Capacity
6TB
Price
$390.99
$/GB
$0.065
Seagate 6TB IronWolf NAS SATA 6Gb/s NCQ 128MB Cache 3.5-Inch Internal Hard Drive (ST6000VN0041)
Capacity
6 TB
Price
$391.45
$/GB
$0.065
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX
Capacity
6TB
Price
$391.45
$/GB
$0.065
WD Red Pro 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives -WD6005FFBX
Capacity
6TB
Price
$392.99
$/GB
$0.065
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Capacity
8TB
Price
$524.45
$/GB
$0.066
WD Black WD8002FZWX 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Capacity
8TB
Price
$524.45
$/GB
$0.066
WD Black 6TB Performance Desktop Hard Disk Drive - 7200 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD6003FZBX
Capacity
6TB
Price
$394.45
$/GB
$0.066
WD Red 6TB NAS Internal Hard Drive - 5400 RPM Class, SATA 6Gb/s, SMR, 256MB Cache, 3.5' - WD60EFAX
Capacity
6TB
Price
$394.45
$/GB
$0.066
WD 5TB My Passport for Mac Portable External Hard Drive Storage USB-C/USB-A 3.2 - Midnight Blue (WDBA2F0050BBL-WESN)
Capacity
5TB
Price
$329.69
$/GB
$0.066
hgst hgst ultrastar he6 6tb 3.5' sas 7200 rpm enterprise internal hard drive - sas 64 mb cache, 12gb/s - hus726060als640 / 0f18370 64 mb cache
Capacity
6TB
Price
$399.00
$/GB
$0.067
WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ
Capacity
6TB
Price
$399.95
$/GB
$0.067
Seagate IronWolf 6TB NAS Hard Drive 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VN0041
Capacity
6TB
Price
$400.00
$/GB
$0.067
SanDisk Professional G-DRIVE SDPHF1A-008T-NBAAD 8 TB Desktop External Hard Drive - USB 3.2 (Gen 2) Type C - 7200rpm
Capacity
8TB
Price
$534.99
$/GB
$0.067
Seagate IronWolf Pro ST8000NT001 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
8TB
Price
$541.10
$/GB
$0.068
WD Purple Pro WD8001PURP 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
Capacity
8TB
Price
$544.45
$/GB
$0.068
Western Digital 6TB WD Red NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, SMR, 256MB Cache, 3.5" - WD60EFAX
Capacity
6 TB
Price
$409.90
$/GB
$0.068
WD Purple Pro 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - WD8002PURP
Capacity
8TB
Price
$547.50
$/GB
$0.068
BUFFALO Technology - OP-HD8.0H2U-5Y 8 TB 3.5 Internal Hard Drive - SATA
Capacity
8TB
Price
$549.99
$/GB
$0.069
Seagate Enterprise NAS ST5000VN0001 5TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
5TB
Price
$350.00
$/GB
$0.070
WD Purple WD62PURZ 6TB 5640 RPM 128MB SATA 6.0Gb/s 3.5' Hard Drive
Capacity
6TB
Price
$424.45
$/GB
$0.071
Western Digital G-DRIVE ArmorATD 5TB Portable Rugged 2.5' External Hard Drive
Capacity
5TB
Price
$354.99
$/GB
$0.071
Apricorn Aegis Padlock DT ADT-3PL256-8000 8 TB 3.5' External Hard Drive
Capacity
8TB
Price
$568.99
$/GB
$0.071
WD Red Plus 6TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 64MB Cache, 3.5 Inch - WD60EFRX
Capacity
6TB
Price
$447.45
$/GB
$0.075
WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ
Capacity
6TB
Price
$454.45
$/GB
$0.076
Seagate BarraCuda Pro ST8000DM005 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
8TB
Price
$645.10
$/GB
$0.081
Seagate IronWolf Pro 6TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000NE0021
Capacity
6TB
Price
$499.10
$/GB
$0.083
Western Digital 6TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 256 MB Cache, 3.5" - WD6003FFBX
Capacity
6 TB
Price
$499.99
$/GB
$0.083
hgst/wd hus728t8tal5204 3.5' 8tb sas 12gb/s 7.2k rpm 256m 0b36400 512e se
Capacity
8TB
Price
$728.38
$/GB
$0.091
Toshiba MG Series - Hard drive - 8 TB - internal - 3.5' - SATA 6Gb/s - 7200 rpm - buffer: 256 MB
Capacity
8TB
Price
$769.00
$/GB
$0.096
Toshiba 6TB X300 Performance 3.5' CMR Internal Hard Drive
Capacity
6TB
Price
$615.30
$/GB
$0.103
SanDisk Professional 6TB G-DRIVE PROJECT Thunderbolt 3 External Hard Drive
Capacity
6TB
Price
$644.99
$/GB
$0.107
TOSHIBA X300 HDWR160XZSTA 6TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Desktop Internal Hard Drive Retail Packaging
Capacity
6TB
Price
$656.63
$/GB
$0.109
iStorage diskAshur2 5TB Black - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
Capacity
5TB
Price
$564.95
$/GB
$0.113
iStorage diskAshur2 HDD 5TB Green - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
Capacity
5TB
Price
$564.95
$/GB
$0.113
iStorage diskAshur2 HDD 5TB Blue - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
Capacity
5TB
Price
$564.95
$/GB
$0.113
iStorage diskAshur2 HDD 5TB Red - Secure portable hard drive - Password protected, dust and water resistant, portable, military grade hardware
Capacity
5TB
Price
$564.95
$/GB
$0.113
Toshiba MD04ACA600 Md04Aca Series - Hard Drive - 6 Tb - Internal - 3.5 Inch - Sata 6Gb/S - 7200 Rpm - Buffer: 128 Mb
Capacity
6TB
Price
$694.10
$/GB
$0.116
Seagate Exos 7E10 8TB SATA Video Surveillance Hard Drive ST8000NM
Capacity
8TB
Price
$978.10
$/GB
$0.122
seagate barracuda pro performance internal hard drive sata hdd 6tb 6gb/s 128mb cache 3.5-inch (st6000dm004)
Capacity
6TB
Price
$843.21
$/GB
$0.141
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 908+ 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 $0.079/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
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