Hard Drives (HDD)
Ranked by price per gigabyte
Updated daily · No paid placements
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Western Digital · 2TB
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate · 24TB
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate · 24TB
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| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | HDD | 2TB | — | $52.95checked 4h ago | $0.026View at Newegg | ||||
2 | HDD | 24TB | — | $737.91checked 28h ago | $0.031View at Newegg | ||||
3 | HDD | 24TB | — | $749.99checked 4h ago | $0.031View at Newegg | ||||
4 | HDD | 8 TB | 190 / 190MB/s | 4.6(428) | $259.99checked 4h ago | $0.032View at Best Buy | |||
5 | HDD | 8 TB | — | $259.99checked 4h ago | $0.032View at Amazon | ||||
6 | HDD | 8 TB | — | $264.87checked 4h ago | $0.033View at Amazon | ||||
7 | HDD | 6 TB | — | $199.99checked 4h ago | $0.033View at Amazon | ||||
8 | HDD | 3TB | — | $100.00checked 4h ago | $0.033View at Newegg | ||||
9 | HDD | 4TB | — | $133.80checked 16h ago | $0.033View at Newegg | ||||
10 | HDD | 16TB | — | $539.99checked 4h ago | $0.034View at Newegg | ||||
11 | HDD | 4TB | — | $135.00checked 4h ago | $0.034View at Newegg | ||||
12 | HDD | 24TB | — | $815.00checked 4h ago | $0.034View at Newegg | ||||
13 | HDD | 18TB | — | $615.95checked 4h ago | $0.034View at Newegg | ||||
14 | HDD | 8TB | — | $279.99checked 4h ago | $0.035View at Newegg | ||||
15 | HDD | 18TB | — | $635.00checked 4h ago | $0.035View at Newegg | ||||
16 | HDD | 14TB | — | $499.10checked 4h ago | $0.036View at Newegg | ||||
17 | HDD | 24 TB | — | $859.99checked 4h ago | $0.036View at Amazon | ||||
18 | HDD | 24TB | — | $859.99checked 4h ago | $0.036View at Newegg | ||||
19 | HDD | 4TB | — | $143.40checked 4h ago | $0.036View at Newegg | ||||
20 | HDD | 20TB | — | $719.99checked 4h ago | $0.036View at Newegg | ||||
21 | HDD | 20 TB | — | $719.99checked 4h ago | $0.036View at Amazon | ||||
22 | HDD | 3TB | — | $108.19checked 4h ago | $0.036View at Newegg | ||||
23 | HDD | 18TB | — | $650.00checked 4h ago | $0.036View at Newegg | ||||
24 | HDD | 8 TB | — | 5.0(1) | $289.99checked 4h ago | $0.036View at Best Buy | |||
25 | HDD | 8TB | — | $290.00checked 4h ago | $0.036View at Newegg | ||||
26 | HDD | 32TB | — | $1159.99checked 4h ago | $0.036View at Newegg | ||||
27 | HDD | 16TB | — | $580.06checked 4h ago | $0.036View at Newegg | ||||
28 | HDD | 28TB | — | $1019.99checked 4h ago | $0.036View at Newegg | ||||
29 | HDD | 18TB | — | $665.10checked 4h ago | $0.037View at Newegg | ||||
30 | HDD | 6TB | — | $222.00checked 4h ago | $0.037View at Newegg | ||||
31 | HDD | 14TB | — | $519.00checked 4h ago | $0.037View at Newegg | ||||
32 | HDD | 14TB | — | $520.10checked 4h ago | $0.037View at Newegg | ||||
33 | HDD | 12TB | — | $449.99checked 4h ago | $0.037View at Newegg | ||||
34 | HDD | 12 TB | — | $449.99checked 4h ago | $0.037View at Amazon | ||||
35 | HDD | 4TB | — | $150.00checked 4h ago | $0.037View at Newegg | ||||
36 | HDD | 12TB | — | $450.00checked 4h ago | $0.037View at Newegg | ||||
37 | HDD | 6TB | — | $225.10checked 4h ago | $0.038View at Newegg | ||||
38 | HDD | 6TB | — | $228.06checked 16h ago | $0.038View at Newegg | ||||
39 | HDD | 18TB | — | $684.45checked 4h ago | $0.038View at Newegg | ||||
40 | HDD | 12TB | — | $459.99checked 4h ago | $0.038View at Newegg | ||||
41 | HDD | 12 TB | — | $459.99checked 4h ago | $0.038View at Amazon | ||||
42 | HDD | 12TB | — | $459.99checked 4h ago | $0.038View at Newegg | ||||
43 | HDD | 18TB | — | $694.45checked 4h ago | $0.039View at Newegg | ||||
44 | HDD | 6TB | — | $231.62checked 4h ago | $0.039View at Newegg | ||||
45 | HDD | 8TB | — | $310.00checked 4h ago | $0.039View at Newegg | ||||
46 | HDD | 6TB | — | $233.10checked 4h ago | $0.039View at Newegg | ||||
47 | HDD | 16TB | — | $622.10checked 4h ago | $0.039View at Newegg | ||||
48 | HDD | 16TB | — | $626.10checked 4h ago | $0.039View at Newegg | ||||
49 | HDD | 18TB | — | $710.00checked 4h ago | $0.039View at Newegg | ||||
50 | HDD | 10TB | — | $394.99checked 4h ago | $0.039View at Newegg | ||||
51 | HDD | 24TB | — | $950.00checked 4h ago | $0.040View at Newegg | ||||
52 | HDD | 24TB | — | $950.10checked 4h ago | $0.040View at Newegg | ||||
53 | HDD | 24TB | — | $950.95checked 4h ago | $0.040View at Newegg | ||||
54 | HDD | 3TB | — | $119.00checked 16h ago | $0.040View at Newegg | ||||
55 | HDD | 20TB | — | $794.99checked 4h ago | $0.040View at Newegg | ||||
56 | HDD | 8TB | — | $319.75checked 4h ago | $0.040View at Newegg | ||||
57 | HDD | 4 TB | — | $159.99checked 4h ago | $0.040View at Amazon | ||||
58 | HDD | 4TB | — | $159.99checked 4h ago | $0.040View at Newegg | ||||
59 | HDD | 4 TB | — | $159.99checked 4h ago | $0.040View at Amazon | ||||
60 | HDD | 12 TB | — | $479.99checked 4h ago | $0.040View at Amazon | ||||
61 | HDD | 8TB | — | $319.99checked 4h ago | $0.040View at Newegg | ||||
62 | HDD | 22TB | — | $879.99checked 4h ago | $0.040View at Newegg | ||||
63 | HDD | 24TB | — | $959.99checked 4h ago | $0.040View at Newegg | ||||
64 | HDD | 8 TB | — | $320.23checked 4h ago | $0.040View at Amazon | ||||
65 | HDD | 10 TB | — | $402.89checked 4h ago | $0.040View at Amazon | ||||
66 | HDD | 8TB | — | $324.99checked 4h ago | $0.041View at Newegg | ||||
67 | HDD | 8 TB | 215 / 215MB/s | 4.3(19) | $324.99checked 4h ago | $0.041View at Best Buy | |||
68 | HDD | 6 TB | 170 / 170MB/s | 4.4(98) | $244.99checked 4h ago | $0.041View at Best Buy | |||
69 | HDD | 6TB | — | $244.99checked 4h ago | $0.041View at Newegg | ||||
70 | HDD | 18 TB | 272 / 272MB/s | 4.0(27) | $734.99checked 4h ago | $0.041View at Best Buy | |||
71 | HDD | 20TB | — | $818.10checked 4h ago | $0.041View at Newegg | ||||
72 | HDD | 14TB | — | $574.45checked 4h ago | $0.041View at Newegg | ||||
73 | HDD | 14TB | — | $575.00checked 4h ago | $0.041View at Newegg | ||||
74 | HDD | 14TB | — | $575.00checked 4h ago | $0.041View at Newegg | ||||
75 | HDD | 14TB | — | $575.00checked 4h ago | $0.041View at Newegg | ||||
76 | HDD | 28TB | — | $1150.00checked 4h ago | $0.041View at Newegg | ||||
77 | HDD | 10TB | — | $411.00checked 4h ago | $0.041View at Newegg | ||||
78 | HDD | 18TB | — | $740.10checked 4h ago | $0.041View at Newegg | ||||
79 | HDD | 14TB | — | $575.99checked 4h ago | $0.041View at Newegg | ||||
80 | HDD | 14TB | — | $576.99checked 4h ago | $0.041View at Newegg | ||||
81 | HDD | 3 TB | — | $123.99checked 4h ago | $0.041View at Amazon | ||||
82 | HDD | 12TB | — | $496.00checked 4h ago | $0.041View at Newegg | ||||
83 | HDD | 10TB | — | $414.99checked 28h ago | $0.041View at Newegg | ||||
84 | HDD | 12TB | — | $499.99checked 4h ago | $0.042View at Newegg | ||||
85 | HDD | 18TB | — | $749.99checked 4h ago | $0.042View at Newegg | ||||
86 | HDD | 20TB | — | $835.00checked 4h ago | $0.042View at Newegg | ||||
87 | HDD | 4TB | — | $167.20checked 4h ago | $0.042View at Newegg | ||||
88 | HDD | 20TB | — | $836.99checked 4h ago | $0.042View at Newegg | ||||
89 | HDD | 20 TB | — | $836.99checked 4h ago | $0.042View at Amazon | ||||
90 | HDD | 16TB | — | $670.99checked 4h ago | $0.042View at Newegg | ||||
91 | HDD | 16TB | — | $674.45checked 4h ago | $0.042View at Newegg | ||||
92 | HDD | 4 TB | — | $169.99checked 4h ago | $0.042View at Amazon | ||||
93 | HDD | 2TB | — | $85.00checked 4h ago | $0.043View at Newegg | ||||
94 | HDD | 2TB | — | $85.00checked 4h ago | $0.043View at Newegg | ||||
95 | HDD | 10TB | — | $425.00checked 4h ago | $0.043View at Newegg | ||||
96 | HDD | 14TB | — | $599.99checked 16h ago | $0.043View at Newegg | ||||
97 | HDD | 10 TB | — | $429.99checked 4h ago | $0.043View at Amazon | ||||
98 | HDD | 10TB | — | $429.99checked 4h ago | $0.043View at Newegg | ||||
99 | HDD | 10TB | — | $429.99checked 4h ago | $0.043View at Newegg | ||||
100 | HDD | 3TB | — | $129.00checked 4h ago | $0.043View at Newegg |
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate - Barracuda 8TB Internal Hard Drive for Desktops
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)
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)
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty
HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
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
4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB 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)
HP 614827-001 3Tb 7200Rpm 3.5Inch 6G Sata Sc Lff Midline Hard Drive With Tray For Gen8 Servers Only
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Seagate - Seagate One Touch Desktop HDD 8 TB - Space Gray
Seagate Enterprise Capacity 3.5'' HDD 8TB 7200 RPM 512e SATA 6Gb/s 256MB Cache Secure Model Internal Hard Drive ST8000NM0105
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 ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate SkyHawk AI ST18000VE002 18 TB Hard Drive 3.5' Internal SATA SATA/600
HGST Ultrastar He8 HUH728060ALE600 (0F23269) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives
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
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Western Digital 12TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD120EAGZ
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)
Seagate IronWolf ST12000VN0008 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST12000VN0008) - OEM Pack, International Version No Warranty
HP 6 TB 3.5' Internal Hard Drive
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 ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Western Digital 12TB WD Red Plus NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 GB/s, CMR, 512 MB Cache, 3.5" - WD120EFGX
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
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 SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
WD Blue WD100EAGZ 10TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Seagate Constellation ES.3 ST3000NM0033 3TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Enterprise Internal Hard Drive Bare Drive
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
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)
Seagate Exos X24 12TB 3.5" 6 Gb/s SATA III Internal Hard Drive
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
WD Red Pro 22TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD221KFGX
Seagate Exos X24 24TB 7200 RPM SATA 512MB Cache 6.0Gb/s 3.5-Inch Enterprise Internal Hard Drives (ST24000NM002H)
Western Digital 8TB WD Blue PC Internal Hard Drive HDD - 5640 RPM, SATA 6 Gb/s, 256 MB Cache, 3.5" - 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 Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
WD - Blue 8TB PC Internal Hard Drive for Desktops
WD - Blue 6TB PC Internal Hard Drive for Desktops
WD Blue 6TB Desktop Hard Disk Drive - 5400 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD60EZAX
WD - Red Pro 18TB NAS Internal Hard Drive
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 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 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
seagate ironwolf pro st14000ne0008 14 tb hard drive - 3.5' internal - sata (sata/600)
Seagate IronWolf Pro 14TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST14000NE0008
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
HGST 0B42266 - HGST 10TB 3.5' SATA 7.2K 6Gb/s Hard Drive
Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
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
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
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Toshiba N300 10TB SATA III 3.5' Internal NAS Hard Drive #HDWG71AXZSTA
Toshiba N300 12TB NAS 3.5-Inch Internal Hard Drive - CMR SATA 6 Gb/s 7200 RPM 512 MB Cache - HDWG51CUZSVA
WD Red Pro 18TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6Gb/s, CMR, 512MB Cache, 3.5' - WD181KFGX
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
WD Red Pro 20TB NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5' - WD202KFGX
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC)
Seagate Barracuda St2000dm001 2 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64 Mb Buffer (ST2000DM001)
Seagate Barracuda ST2000DM001 2 TB 3.5 Internal Hard Drive (ST2000DM001)
Seagate IronWolf ST10000NE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000NE0008)
WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX
WD Western Digital 10TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102FZBX
Seagate IronWolf ST10000VN000 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
WD Black 10TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - WD102FZBX
WD Green WD30EZRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Capacity
2TB
Price
$52.95
$/GB
$0.026
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$737.91
$/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
Seagate - Barracuda 8TB Internal Hard Drive for Desktops
Capacity
8 TB
Price
$259.99
$/GB
$0.032
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
$259.99
$/GB
$0.032
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
$264.87
$/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 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 MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$133.80
$/GB
$0.033
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$539.99
$/GB
$0.034
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$135.00
$/GB
$0.034
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$815.00
$/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 BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
8TB
Price
$279.99
$/GB
$0.035
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Capacity
18TB
Price
$635.00
$/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
4TB Toshiba P300 3.5 Inch Serial ATA III 5400RPM 6GB Internal Hard Drive
Capacity
4TB
Price
$143.40
$/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
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 Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Capacity
18TB
Price
$650.00
$/GB
$0.036
Seagate - Seagate One Touch Desktop HDD 8 TB - Space Gray
Capacity
8 TB
Price
$289.99
$/GB
$0.036
Seagate Enterprise Capacity 3.5'' HDD 8TB 7200 RPM 512e SATA 6Gb/s 256MB Cache Secure Model Internal Hard Drive ST8000NM0105
Capacity
8TB
Price
$290.00
$/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 ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
28TB
Price
$1019.99
$/GB
$0.036
Seagate SkyHawk AI ST18000VE002 18 TB Hard Drive 3.5' Internal SATA SATA/600
Capacity
18TB
Price
$665.10
$/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 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
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
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
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)
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
$228.06
$/GB
$0.038
Seagate SkyHawk AI ST18000VE002 18 TB Hard Drive 3.5' Internal SATA SATA/600
Capacity
18TB
Price
$684.45
$/GB
$0.038
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$459.99
$/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
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
Capacity
12TB
Price
$459.99
$/GB
$0.038
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Capacity
18TB
Price
$694.45
$/GB
$0.039
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Capacity
6TB
Price
$231.62
$/GB
$0.039
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
8TB
Price
$310.00
$/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 SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
Capacity
16TB
Price
$626.10
$/GB
$0.039
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$710.00
$/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
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$950.00
$/GB
$0.040
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
24TB
Price
$950.10
$/GB
$0.040
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
24TB
Price
$950.95
$/GB
$0.040
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
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Capacity
20TB
Price
$794.99
$/GB
$0.040
Seagate BarraCuda NE-ST8000DM004 8TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
8TB
Price
$319.75
$/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 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
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 Exos X24 12TB 3.5" 6 Gb/s SATA III Internal Hard Drive
Capacity
12 TB
Price
$479.99
$/GB
$0.040
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Capacity
8TB
Price
$319.99
$/GB
$0.040
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
$879.99
$/GB
$0.040
Seagate Exos X24 24TB 7200 RPM SATA 512MB Cache 6.0Gb/s 3.5-Inch Enterprise Internal Hard Drives (ST24000NM002H)
Capacity
24TB
Price
$959.99
$/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
$320.23
$/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
$402.89
$/GB
$0.040
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Capacity
8TB
Price
$324.99
$/GB
$0.041
WD - Blue 8TB PC Internal Hard Drive for Desktops
Capacity
8 TB
Price
$324.99
$/GB
$0.041
WD - Blue 6TB PC Internal Hard Drive for Desktops
Capacity
6 TB
Price
$244.99
$/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 - Red Pro 18TB NAS Internal Hard Drive
Capacity
18 TB
Price
$734.99
$/GB
$0.041
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Capacity
20TB
Price
$818.10
$/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
$574.45
$/GB
$0.041
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
Capacity
14TB
Price
$575.00
$/GB
$0.041
seagate ironwolf pro st14000ne0008 14 tb hard drive - 3.5' internal - sata (sata/600)
Capacity
14TB
Price
$575.00
$/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
$575.00
$/GB
$0.041
Seagate IronWolf Pro ST28000NT000 28TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
28TB
Price
$1150.00
$/GB
$0.041
HGST 0B42266 - HGST 10TB 3.5' SATA 7.2K 6Gb/s Hard Drive
Capacity
10TB
Price
$411.00
$/GB
$0.041
Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$740.10
$/GB
$0.041
Seagate BarraCuda Pro ST14000DM001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
14TB
Price
$575.99
$/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
$576.99
$/GB
$0.041
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
$123.99
$/GB
$0.041
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$496.00
$/GB
$0.041
Toshiba N300 10TB SATA III 3.5' Internal NAS Hard Drive #HDWG71AXZSTA
Capacity
10TB
Price
$414.99
$/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
$499.99
$/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
$749.99
$/GB
$0.042
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Capacity
20TB
Price
$835.00
$/GB
$0.042
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
Capacity
4TB
Price
$167.20
$/GB
$0.042
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
$836.99
$/GB
$0.042
Western Digital 20TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD202KFGX
Capacity
20 TB
Price
$836.99
$/GB
$0.042
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$670.99
$/GB
$0.042
Seagate IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$674.45
$/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
$169.99
$/GB
$0.042
Seagate Barracuda St2000dm001 2 Tb 3.5 Internal Hard Drive - Sata - 7200 RPM - 64 Mb Buffer (ST2000DM001)
Capacity
2TB
Price
$85.00
$/GB
$0.043
Seagate Barracuda ST2000DM001 2 TB 3.5 Internal Hard Drive (ST2000DM001)
Capacity
2TB
Price
$85.00
$/GB
$0.043
Seagate IronWolf ST10000NE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000NE0008)
Capacity
10TB
Price
$425.00
$/GB
$0.043
WD Red Plus 14TB NAS Hard Disk Drive - 5400 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFFX
Capacity
14TB
Price
$599.99
$/GB
$0.043
WD Western Digital 10TB WD_Black Performance Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD102FZBX
Capacity
10 TB
Price
$429.99
$/GB
$0.043
Seagate IronWolf ST10000VN000 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
Capacity
10TB
Price
$429.99
$/GB
$0.043
WD Black 10TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - WD102FZBX
Capacity
10TB
Price
$429.99
$/GB
$0.043
WD Green WD30EZRX 3TB IntelliPower 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$129.00
$/GB
$0.043
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 913+ 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 $0.026/GB, while the average across all drives 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
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