Hard Drives (HDD)
Ranked by price per gigabyte
Updated daily · No paid placements
Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)
Avolusion · 14 TB
OSENTRiX BX100 14TB USB 3.2 Gen 2 USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop
OSENTRiX · 14 TB
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Western Digital · 2TB
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 | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | HDD | 14 TB | — | $339.99checked <1h ago | $0.024View at Amazon | ||||
2 | HDD | 14 TB | — | $339.99checked <1h ago | $0.024View at Amazon | ||||
3 | HDD | 2TB | — | $52.95checked <1h ago | $0.026View at Newegg | ||||
4 | HDD | 20TB | — | $559.00checked <1h ago | $0.028View at Newegg | ||||
5 | HDD | 16 TB | — | $485.09checked <1h ago | $0.030View at Amazon | ||||
6 | HDD | 8 TB | — | $248.55checked <1h ago | $0.031View at Amazon | ||||
7 | HDD | 24TB | — | $749.99checked <1h ago | $0.031View at Newegg | ||||
8 | HDD | 22TB | — | $689.97checked <1h ago | $0.031View at Newegg | ||||
9 | HDD | 8 TB | — | $258.95checked <1h ago | $0.032View at Amazon | ||||
10 | HDD | 4TB | — | $130.71checked <1h ago | $0.033View at Newegg | ||||
11 | HDD | 14TB | — | $460.32checked <1h ago | $0.033View at Newegg | ||||
12 | HDD | 8 TB | — | $265.49checked <1h ago | $0.033View at Amazon | ||||
13 | HDD | 6 TB | — | $199.99checked <1h ago | $0.033View at Amazon | ||||
14 | HDD | 3TB | — | $100.00checked <1h ago | $0.033View at Newegg | ||||
15 | HDD | 3TB | — | $100.00checked <1h ago | $0.033View at Newegg | ||||
16 | HDD | 4TB | — | $134.07checked <1h ago | $0.034View at Newegg | ||||
17 | HDD | 10 TB | — | $339.99checked <1h ago | $0.034View at Amazon | ||||
18 | HDD | 18TB | — | $614.99checked <1h ago | $0.034View at Newegg | ||||
19 | HDD | 18TB | — | $615.95checked <1h ago | $0.034View at Newegg | ||||
20 | HDD | 16 TB | — | 4.4(121) | $549.99checked <1h ago | $0.034View at Best Buy | |||
21 | HDD | 4 TB | — | $138.50checked <1h ago | $0.035View at Amazon | ||||
22 | HDD | 8TB | — | $278.99checked <1h ago | $0.035View at Newegg | ||||
23 | HDD | 8 TB | — | 4.6(192) | $279.99checked <1h ago | $0.035View at Best Buy | |||
24 | HDD | 8 TB | 190 / 190MB/s | 4.6(427) | $279.99checked <1h ago | $0.035View at Best Buy | |||
25 | HDD | 24TB | — | $851.10checked <1h ago | $0.035View at Newegg | ||||
26 | HDD | 14TB | — | $499.10checked <1h ago | $0.036View at Newegg | ||||
27 | HDD | 24 TB | — | $859.99checked <1h ago | $0.036View at Amazon | ||||
28 | HDD | 24TB | — | $859.99checked <1h ago | $0.036View at Newegg | ||||
29 | HDD | 20TB | — | $719.99checked <1h ago | $0.036View at Newegg | ||||
30 | HDD | 20 TB | — | $719.99checked <1h ago | $0.036View at Amazon | ||||
31 | HDD | 20 TB | 285 / 285MB/s | 4.7(30) | $719.99checked <1h ago | $0.036View at Best Buy | |||
32 | HDD | 3TB | — | $108.19checked <1h ago | $0.036View at Newegg | ||||
33 | HDD | 8TB | — | $289.99checked 24h ago | $0.036View at Newegg | ||||
34 | HDD | 8 TB | — | $289.99checked <1h ago | $0.036View at Best Buy | ||||
35 | HDD | 16TB | — | $579.99checked <1h ago | $0.036View at Newegg | ||||
36 | HDD | 8 TB | — | $289.99checked <1h ago | $0.036View at Amazon | ||||
37 | HDD | 32TB | — | $1159.99checked <1h ago | $0.036View at Newegg | ||||
38 | HDD | 16TB | — | $580.06checked <1h ago | $0.036View at Newegg | ||||
39 | HDD | 28 TB | — | $1019.99checked <1h ago | $0.036View at Amazon | ||||
40 | HDD | 28TB | — | $1019.99checked <1h ago | $0.036View at Newegg | ||||
41 | HDD | 20TB | — | $729.00checked <1h ago | $0.036View at Newegg | ||||
42 | HDD | 14TB | — | $514.99checked <1h ago | $0.037View at Newegg | ||||
43 | HDD | 20TB | — | $739.99checked <1h ago | $0.037View at Newegg | ||||
44 | HDD | 6TB | — | $222.00checked <1h ago | $0.037View at Newegg | ||||
45 | HDD | 18TB | — | $666.10checked <1h ago | $0.037View at Newegg | ||||
46 | HDD | 14TB | — | $519.00checked <1h ago | $0.037View at Newegg | ||||
47 | HDD | 14TB | — | $520.10checked <1h ago | $0.037View at Newegg | ||||
48 | HDD | 18TB | — | $672.99checked 24h ago | $0.037View at Newegg | ||||
49 | HDD | 6 TB | — | $224.99checked <1h ago | $0.037View at Amazon | ||||
50 | HDD | 4TB | — | $149.99checked <1h ago | $0.037View at Newegg | ||||
51 | HDD | 12TB | — | $449.99checked <1h ago | $0.037View at Newegg | ||||
52 | HDD | 8 TB | 210 / 210MB/s | 4.8(202) | $299.99checked <1h ago | $0.037View at Best Buy | |||
53 | HDD | 12 TB | — | $449.99checked <1h ago | $0.037View at Amazon | ||||
54 | HDD | 24TB | — | $899.99checked <1h ago | $0.037View at Newegg | ||||
55 | HDD | 4TB | — | $150.00checked <1h ago | $0.037View at Newegg | ||||
56 | HDD | 4TB | — | $150.00checked <1h ago | $0.037View at Newegg | ||||
57 | HDD | 2TB | — | $75.00checked <1h ago | $0.037View at Newegg | ||||
58 | HDD | 12TB | — | $450.00checked <1h ago | $0.037View at Newegg | ||||
59 | HDD | 8TB | — | $300.20checked <1h ago | $0.038View at Newegg | ||||
60 | HDD | 14TB | — | $525.99checked <1h ago | $0.038View at Newegg | ||||
61 | HDD | 14TB | — | $526.99checked <1h ago | $0.038View at Newegg | ||||
62 | HDD | 12TB | — | $455.39checked <1h ago | $0.038View at Newegg | ||||
63 | HDD | 10 TB | — | $379.99checked <1h ago | $0.038View at Amazon | ||||
64 | HDD | 14TB | — | $535.00checked <1h ago | $0.038View at Newegg | ||||
65 | HDD | 22TB | — | $840.99checked <1h ago | $0.038View at Newegg | ||||
66 | HDD | 6 TB | — | $229.99checked <1h ago | $0.038View at Amazon | ||||
67 | HDD | 12 TB | — | $459.99checked <1h ago | $0.038View at Amazon | ||||
68 | HDD | 12 TB | 285 / 285MB/s | 1.0(1) | $459.99checked <1h ago | $0.038View at Best Buy | |||
69 | HDD | 3TB | — | $116.00checked <1h ago | $0.039View at Newegg | ||||
70 | HDD | 20 TB | — | $774.95checked <1h ago | $0.039View at Amazon | ||||
71 | HDD | 6TB | — | $233.10checked <1h ago | $0.039View at Newegg | ||||
72 | HDD | 16TB | — | $622.10checked <1h ago | $0.039View at Newegg | ||||
73 | HDD | 5TB | — | $194.99checked <1h ago | $0.039View at Newegg | ||||
74 | HDD | 4TB | — | $156.99checked <1h ago | $0.039View at Newegg | ||||
75 | HDD | 14TB | — | $549.99checked <1h ago | $0.039View at Newegg | ||||
76 | HDD | 16TB | — | $630.00checked <1h ago | $0.039View at Newegg | ||||
77 | HDD | 10TB | — | $394.99checked <1h ago | $0.039View at Newegg | ||||
78 | HDD | 5TB | — | $197.99checked <1h ago | $0.040View at Newegg | ||||
79 | HDD | 20TB | — | $796.99checked <1h ago | $0.040View at Newegg | ||||
80 | HDD | 3 TB | — | $119.99checked <1h ago | $0.040View at Amazon | ||||
81 | HDD | 4 TB | — | $159.99checked <1h ago | $0.040View at Amazon | ||||
82 | HDD | 4 TB | — | $159.99checked <1h ago | $0.040View at Amazon | ||||
83 | HDD | 18TB | — | $720.00checked <1h ago | $0.040View at Newegg | ||||
84 | HDD | 4TB | — | $160.00checked <1h ago | $0.040View at Newegg | ||||
85 | HDD | 16TB | — | $645.00checked 12h ago | $0.040View at Newegg | ||||
86 | HDD | 16TB | — | $645.00checked <1h ago | $0.040View at Newegg | ||||
87 | HDD | 12TB | — | $484.45checked <1h ago | $0.040View at Newegg | ||||
88 | HDD | 8 TB | — | $322.99checked <1h ago | $0.040View at Amazon | ||||
89 | HDD | 8TB | — | $322.99checked <1h ago | $0.040View at Newegg | ||||
90 | HDD | 10 TB | — | $404.99checked <1h ago | $0.040View at Amazon | ||||
91 | HDD | 10TB | — | $404.99checked <1h ago | $0.040View at Newegg | ||||
92 | HDD | 16TB | — | $649.99checked <1h ago | $0.041View at Newegg | ||||
93 | HDD | 8 TB | 215 / 215MB/s | 4.3(19) | $324.99checked <1h ago | $0.041View at Best Buy | |||
94 | HDD | 8TB | — | $325.92checked <1h ago | $0.041View at Newegg | ||||
95 | HDD | 20 TB | — | 4.6(287) | $814.99checked <1h ago | $0.041View at Best Buy | |||
96 | HDD | 6TB | — | $244.99checked <1h ago | $0.041View at Newegg | ||||
97 | HDD | 6 TB | 170 / 170MB/s | 4.4(98) | $244.99checked <1h ago | $0.041View at Best Buy | |||
98 | HDD | 12TB | — | $489.99checked <1h ago | $0.041View at Newegg | ||||
99 | HDD | 22TB | — | $899.99checked <1h ago | $0.041View at Newegg | ||||
100 | HDD | 16TB | — | $654.99checked <1h ago | $0.041View at Newegg |
Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)
OSENTRiX BX100 14TB USB 3.2 Gen 2 USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400
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)
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Toshiba N300 Pro SATA III 3.5' Internal NAS 22TB Hard Drive #HDWG62CXZSTB
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)
HGST - IMSOURCING 0F14688 4TB 7200RPM SATA 3.5IN
Seagate Exos X16 14TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST14000NM001G20
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty
HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive
Toshiba Canvio Gaming - hard drive - 4 TB - USB 3.2 Gen 1
UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage
WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Seagate - Expansion Desktop 8TB HDD - Black
Seagate - Barracuda 8TB Internal Hard Drive for Desktops
Seagate Exos X24 24TB 7200 RPM SATA 512MB Cache 6.0Gb/s 3.5-Inch Enterprise Internal Hard Drives (ST24000NM002H)
Seagate Exos X16 ST14000NM001G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive
Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST24000NT002)
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate Skyhawk AI 20TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 512MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST20000VE003)
Seagate - IronWolf Pro 20TB NAS Internal Hard Drive with Rescue Data Recovery Services
HP 614827-001 3Tb 7200Rpm 3.5Inch 6G Sata Sc Lff Midline Hard Drive With Tray For Gen8 Servers Only
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C compatible with most Windows and macOS, Rescue Recovery (STNB8000400)
Seagate - Seagate One Touch Desktop HDD 8 TB - Space Gray
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C Compatible with Most Windows and macOS, Rescue Recovery (STNB8000400)
Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Novus 20TB External USB-C 7200RPM Rugged Hard Drive
Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED
Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T)
HGST Ultrastar He8 HUH728060ALE600 (0F23269) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives
Seagate SkyHawk AI ST18000VE002 18 TB Hard Drive 3.5' Internal SATA SATA/600
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
Seagate Exos X16 ST14000NM003G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, 512E/4KN, SED Bare Drive
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400)
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate - IronWolf 8TB NAS Internal Hard Drive with Rescue Data Recovery Services
Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ
Seagate d2 Professional 24 TB Hard Drive 3.5' External USB Type C USB 3.1 7200rpm STHA24000800
Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)
Dell - 2 TB 7200 RPM Enterprise SATA 3.5' Hard Drive for PowerEdge / PowerVault Systems. Equipped with tray. Mfr P/N: 2G4HM
Seagate IronWolf ST12000VN0008 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST12000VN0008) - OEM Pack, International Version No Warranty
HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21
Seagate BarraCuda Pro ST14000DM001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate IronWolf Pro 14TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST14000NE0008
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
LaCie d2 Professional 10TB External Hard Drive Desktop HDD – USB-C USB 3.0 7200 RPM Enterprise Class Drives, 5 Year Warranty and Recovery Service (STHA10000800)
seagate ironwolf pro st14000ne0008 14 tb hard drive - 3.5' internal - sata (sata/600)
WD Elements 22TB USB 3.0 Desktop External Hard Drive WDBWLG0220HBK-NESN Black
Western Digital 6TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD60EZAX
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX
Seagate IronWolf Pro, 12 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST12000NT001)
Seagate Desktop HDD ST3000DM001 3TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
WD 20TB Elements Desktop External Hard Drive, USB 3.0 drive for plug-and-play storage - WDBWLG0200HBK-NESN
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Seagate Exos X18 ST16000NM001J 16 TB Hard Drive - Internal - SATA (SATA/600) - Video Surveillance System, Storage System Device Supported - 7200rpm
Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST5000LM000
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024
WD Red Plus 14TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFGX
Seagate SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
BUFFALO 5TB MiniStation HD-PGF Portable Hard Drive USB 3.2 Gen 1, Micro B Model HD-PGF5.0U3GB
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
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
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)
WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate SkyHawk AI ST16000VE002 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate Skyhawk AI 16TB Video Internal Hard Drive HDD - 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health
Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED
Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD80EAAZ
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX
WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
Seagate SKYHAWK AI 16TB SATA 6.0Gb/s Internal Hard Drive ST16000VE002
WD - Blue 8TB PC Internal Hard Drive for Desktops
HGST Ultrastar He8 HUH728080ALE600 (0F25739) 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives Bare Drive
WD - easystore 20TB External USB 3.0 Hard Drive - Black
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
WD - Blue 6TB PC Internal Hard Drive for Desktops
Toshiba N300 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CUZSVA
WD Red Pro 22TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD221KFGX
WD Elements 16TB USB 3.0 Desktop External Hard Drive WDBWLG0160HBK-NESN Black
Avolusion PRO-H1 Series 14TB 7200RPM USB 3.2 Gen2 (10Gbps) External Hard Drive (for Windows or MacOS Desktop PC/Laptop)
Capacity
14 TB
Price
$339.99
$/GB
$0.024
OSENTRiX BX100 14TB USB 3.2 Gen 2 USB-C External Hard Drive for Windows or MacOS Desktop PC/Laptop
Capacity
14 TB
Price
$339.99
$/GB
$0.024
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Capacity
2TB
Price
$52.95
$/GB
$0.026
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)
Capacity
20TB
Price
$559.00
$/GB
$0.028
Seagate Expansion Desktop 16TB External Hard Drive – USB 3.0, 3.5" HDD for Windows & Mac, Plug-and-Play Backup Storage - STKP16000400
Capacity
16 TB
Price
$485.09
$/GB
$0.030
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
$248.55
$/GB
$0.031
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$749.99
$/GB
$0.031
Toshiba N300 Pro SATA III 3.5' Internal NAS 22TB Hard Drive #HDWG62CXZSTB
Capacity
22TB
Price
$689.97
$/GB
$0.031
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
$258.95
$/GB
$0.032
HGST - IMSOURCING 0F14688 4TB 7200RPM SATA 3.5IN
Capacity
4TB
Price
$130.71
$/GB
$0.033
Seagate Exos X16 14TB 3.5' SATA 7200rpm Internal Hard Disk Drive ST14000NM001G20
Capacity
14TB
Price
$460.32
$/GB
$0.033
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
Capacity
8 TB
Price
$265.49
$/GB
$0.033
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty
Capacity
6 TB
Price
$199.99
$/GB
$0.033
HGST HUS724030ALA640 - 3TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
Capacity
3TB
Price
$100.00
$/GB
$0.033
HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive
Capacity
3TB
Price
$100.00
$/GB
$0.033
Toshiba Canvio Gaming - hard drive - 4 TB - USB 3.2 Gen 1
Capacity
4TB
Price
$134.07
$/GB
$0.034
UnionSine Desktop External Hard Drive 10TB, USB3.0 3.5" HDD Storage
Capacity
10 TB
Price
$339.99
$/GB
$0.034
WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black
Capacity
18TB
Price
$614.99
$/GB
$0.034
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Capacity
18TB
Price
$615.95
$/GB
$0.034
Seagate - Expansion 16TB External USB 3.0 Desktop Hard Drive with Rescue Data Recovery Services - Black
Capacity
16 TB
Price
$549.99
$/GB
$0.034
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty
Capacity
4 TB
Price
$138.50
$/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
Seagate - Expansion Desktop 8TB HDD - Black
Capacity
8 TB
Price
$279.99
$/GB
$0.035
Seagate - Barracuda 8TB Internal Hard Drive for Desktops
Capacity
8 TB
Price
$279.99
$/GB
$0.035
Seagate Exos X24 24TB 7200 RPM SATA 512MB Cache 6.0Gb/s 3.5-Inch Enterprise Internal Hard Drives (ST24000NM002H)
Capacity
24TB
Price
$851.10
$/GB
$0.035
Seagate Exos X16 ST14000NM001G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive
Capacity
14TB
Price
$499.10
$/GB
$0.036
Seagate IronWolf Pro 24TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST24000NT002)
Capacity
24 TB
Price
$859.99
$/GB
$0.036
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
24TB
Price
$859.99
$/GB
$0.036
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
20TB
Price
$719.99
$/GB
$0.036
Seagate Skyhawk AI 20TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 512MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST20000VE003)
Capacity
20 TB
Price
$719.99
$/GB
$0.036
Seagate - IronWolf Pro 20TB NAS Internal Hard Drive with Rescue Data Recovery Services
Capacity
20 TB
Price
$719.99
$/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
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C compatible with most Windows and macOS, Rescue Recovery (STNB8000400)
Capacity
8TB
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 ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$579.99
$/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 IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
32TB
Price
$1159.99
$/GB
$0.036
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
Capacity
16TB
Price
$580.06
$/GB
$0.036
Seagate IronWolf Pro 28TB Enterprise NAS Internal HDD Hard Drive – CMR 3.5 Inch SATA 6Gb/s 7200 RPM 512MB Cache for RAID Network Attached Storage, Rescue Services (ST28000NT000)
Capacity
28 TB
Price
$1019.99
$/GB
$0.036
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
28TB
Price
$1019.99
$/GB
$0.036
Novus 20TB External USB-C 7200RPM Rugged Hard Drive
Capacity
20TB
Price
$729.00
$/GB
$0.036
Seagate Exos X18 ST14000NM001J 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive, SED
Capacity
14TB
Price
$514.99
$/GB
$0.037
Synology 20TB HAT3320 Plus Series SATA III 3.5' Internal NAS HDD ( HAT3320-20T)
Capacity
20TB
Price
$739.99
$/GB
$0.037
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
$222.00
$/GB
$0.037
Seagate SkyHawk AI ST18000VE002 18 TB Hard Drive 3.5' Internal SATA SATA/600
Capacity
18TB
Price
$666.10
$/GB
$0.037
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
Capacity
14TB
Price
$519.00
$/GB
$0.037
Seagate Exos X16 ST14000NM003G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, 512E/4KN, SED Bare Drive
Capacity
14TB
Price
$520.10
$/GB
$0.037
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Capacity
18TB
Price
$672.99
$/GB
$0.037
Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400)
Capacity
6 TB
Price
$224.99
$/GB
$0.037
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
Capacity
4TB
Price
$149.99
$/GB
$0.037
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$449.99
$/GB
$0.037
Seagate - IronWolf 8TB NAS Internal Hard Drive with Rescue Data Recovery Services
Capacity
8 TB
Price
$299.99
$/GB
$0.037
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
$449.99
$/GB
$0.037
Seagate d2 Professional 24 TB Hard Drive 3.5' External USB Type C USB 3.1 7200rpm STHA24000800
Capacity
24TB
Price
$899.99
$/GB
$0.037
Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
4TB
Price
$150.00
$/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
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
$75.00
$/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
HPE 8TB 3.5' SATA 7200rpm Internal Hard Disk Drive 834028K21
Capacity
8TB
Price
$300.20
$/GB
$0.038
Seagate BarraCuda Pro ST14000DM001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
14TB
Price
$525.99
$/GB
$0.038
Seagate IronWolf Pro 14TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST14000NE0008
Capacity
14TB
Price
$526.99
$/GB
$0.038
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$455.39
$/GB
$0.038
LaCie d2 Professional 10TB External Hard Drive Desktop HDD – USB-C USB 3.0 7200 RPM Enterprise Class Drives, 5 Year Warranty and Recovery Service (STHA10000800)
Capacity
10 TB
Price
$379.99
$/GB
$0.038
seagate ironwolf pro st14000ne0008 14 tb hard drive - 3.5' internal - sata (sata/600)
Capacity
14TB
Price
$535.00
$/GB
$0.038
WD Elements 22TB USB 3.0 Desktop External Hard Drive WDBWLG0220HBK-NESN Black
Capacity
22TB
Price
$840.99
$/GB
$0.038
Western Digital 6TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - WD60EZAX
Capacity
6 TB
Price
$229.99
$/GB
$0.038
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX
Capacity
12 TB
Price
$459.99
$/GB
$0.038
Seagate IronWolf Pro, 12 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST12000NT001)
Capacity
12 TB
Price
$459.99
$/GB
$0.038
Seagate Desktop HDD ST3000DM001 3TB 7200 RPM 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$116.00
$/GB
$0.039
WD 20TB Elements Desktop External Hard Drive, USB 3.0 drive for plug-and-play storage - WDBWLG0200HBK-NESN
Capacity
20 TB
Price
$774.95
$/GB
$0.039
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Capacity
6TB
Price
$233.10
$/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
Seagate 5TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST5000LM000
Capacity
5TB
Price
$194.99
$/GB
$0.039
Seagate 4TB BarraCuda 5400 RPM 128MB Cache SATA 6.0Gb/s 2.5' 15mm Laptop Internal Hard Drive ST4000LM024
Capacity
4TB
Price
$156.99
$/GB
$0.039
WD Red Plus 14TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFGX
Capacity
14TB
Price
$549.99
$/GB
$0.039
Seagate SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
Capacity
16TB
Price
$630.00
$/GB
$0.039
WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
10TB
Price
$394.99
$/GB
$0.039
BUFFALO 5TB MiniStation HD-PGF Portable Hard Drive USB 3.2 Gen 1, Micro B Model HD-PGF5.0U3GB
Capacity
5TB
Price
$197.99
$/GB
$0.040
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Capacity
20TB
Price
$796.99
$/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
$119.99
$/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
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
$159.99
$/GB
$0.040
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$720.00
$/GB
$0.040
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$160.00
$/GB
$0.040
Seagate SkyHawk AI ST16000VE002 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
16TB
Price
$645.00
$/GB
$0.040
Seagate Skyhawk AI 16TB Video Internal Hard Drive HDD - 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with Drive Health
Capacity
16TB
Price
$645.00
$/GB
$0.040
Seagate Exos X16 ST12000NM003G 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, SED
Capacity
12TB
Price
$484.45
$/GB
$0.040
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
$322.99
$/GB
$0.040
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Capacity
8TB
Price
$322.99
$/GB
$0.040
Western Digital 10TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD100EFGX
Capacity
10 TB
Price
$404.99
$/GB
$0.040
WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
Capacity
10TB
Price
$404.99
$/GB
$0.040
Seagate SKYHAWK AI 16TB SATA 6.0Gb/s Internal Hard Drive ST16000VE002
Capacity
16TB
Price
$649.99
$/GB
$0.041
WD - Blue 8TB PC Internal Hard Drive for Desktops
Capacity
8 TB
Price
$324.99
$/GB
$0.041
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
$325.92
$/GB
$0.041
WD - easystore 20TB External USB 3.0 Hard Drive - Black
Capacity
20 TB
Price
$814.99
$/GB
$0.041
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
Capacity
6TB
Price
$244.99
$/GB
$0.041
WD - Blue 6TB PC Internal Hard Drive for Desktops
Capacity
6 TB
Price
$244.99
$/GB
$0.041
Toshiba N300 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CUZSVA
Capacity
12TB
Price
$489.99
$/GB
$0.041
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
$899.99
$/GB
$0.041
WD Elements 16TB USB 3.0 Desktop External Hard Drive WDBWLG0160HBK-NESN Black
Capacity
16TB
Price
$654.99
$/GB
$0.041
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 939+ 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 $0.024/GB, while the average across all drives is $0.037/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.