Hard Drives (HDD)
Ranked by price per gigabyte
Updated twice daily · No paid placements
Rankings show one recently checked offer per product and condition on this page. Other offers remain on product pages. The final price appears at the retailer's checkout. We may earn a commission from retailer links, at no cost to you; it never affects rankings.
| Rank | Type | Trend | |||||||
|---|---|---|---|---|---|---|---|---|---|
1 | HDD | 8 TB | — | $199.00checked 8h ago | $0.025View at Amazon | ||||
2 | HDD | 14 TB | — | $359.99checked 8h ago | $0.026View at Amazon | ||||
3 | HDD | 6 TB | — | $166.00checked 8h ago | $0.028View at Amazon | ||||
4 | HDD | 16TB | — | $449.99checked 8h ago | $0.028View at Newegg | ||||
5 | HDD | 24 TB | — | $679.99checked 8h ago | $0.028View at Amazon | ||||
6 | HDD | 6 TB | — | $179.99checked 8h ago | $0.030View at Amazon | ||||
7 | HDD | 10 TB | — | $309.99checked 8h ago | $0.031View at Amazon | ||||
8 | HDD | 16 TB | — | $509.99checked 8h ago | $0.032View at Best Buy | ||||
9 | HDD | 20TB | — | $639.00checked 2d ago | $0.032View at Newegg | ||||
10 | HDD | 22TB | — | $709.99checked 8h ago | $0.032View at Newegg | ||||
11 | HDD | 20 TB | — | 4.0(1) | $649.99checked 8h ago | $0.033View at Best Buy | |||
12 | HDD | 14TB | — | $475.00checked 44h ago | $0.034View at Newegg | ||||
13 | HDD | 8TB | — | $278.99checked 8h ago | $0.035View at Newegg | ||||
14 | HDD | 8 TB | — | $279.00checked 8h ago | $0.035View at Best Buy | ||||
15 | HDD | 6 TB | — | $209.99checked 8h ago | $0.035View at Amazon | ||||
16 | HDD | 8 TB | — | $279.99checked 8h ago | $0.035View at Amazon | ||||
17 | HDD | 8 TB | 190 / 190MB/s | 4.6(445) | $279.99checked 32h ago | $0.035View at Best Buy | |||
18 | HDD | 3TB | — | $105.00checked 8h ago | $0.035View at Newegg | ||||
19 | HDD | 18TB | — | $635.14checked 8h ago | $0.035View at Newegg | ||||
20 | HDD | 14TB | — | $496.00checked 31h ago | $0.035View at Newegg | ||||
21 | HDD | 20TB | — | $709.99checked 8h ago | $0.035View at Newegg | ||||
22 | HDD | 6 TB | — | $214.99checked 8h ago | $0.036View at Amazon | ||||
23 | HDD | 3TB | — | $108.19checked 8h ago | $0.036View at Newegg | ||||
24 | HDD | 14TB | — | $505.00checked 44h ago | $0.036View at Newegg | ||||
25 | HDD | 14TB | — | $506.00checked 44h ago | $0.036View at Newegg | ||||
26 | HDD | 8 TB | — | 4.6(17) | $289.99checked 8h ago | $0.036View at Best Buy | |||
27 | HDD | 12 TB | — | $441.75checked 8h ago | $0.037View at Amazon | ||||
28 | HDD | 2TB | — | $74.00checked 8h ago | $0.037View at Newegg | ||||
29 | HDD | 4 TB | — | $149.99checked 8h ago | $0.037View at Amazon | ||||
30 | HDD | 8 TB | — | $299.99checked 8h ago | $0.037View at Amazon | ||||
31 | HDD | 4TB | — | $150.00checked 8h ago | $0.037View at Newegg | ||||
32 | HDD | 4TB | — | $150.00checked 8h ago | $0.037View at Newegg | ||||
33 | HDD | 12TB | — | $450.00checked 8h ago | $0.037View at Newegg | ||||
34 | HDD | 14TB | — | $525.10checked 8h ago | $0.038View at Newegg | ||||
35 | HDD | 6TB | — | $225.10checked 8h ago | $0.038View at Newegg | ||||
36 | HDD | 14TB | — | $525.99checked 2d ago | $0.038View at Newegg | ||||
37 | HDD | 6TB | — | $227.40checked 8h ago | $0.038View at Newegg | ||||
38 | HDD | 3TB | — | $114.99checked 2d ago | $0.038View at Newegg | ||||
39 | HDD | 6TB | — | $231.18checked 20h ago | $0.039View at Newegg | ||||
40 | HDD | 16TB | — | $618.14checked 8h ago | $0.039View at Newegg | ||||
41 | HDD | 8TB | — | $310.00checked 8h ago | $0.039View at Newegg | ||||
42 | HDD | 16TB | — | $622.10checked 8h ago | $0.039View at Newegg | ||||
43 | HDD | 4TB | — | $155.82checked 8h ago | $0.039View at Newegg | ||||
44 | HDD | 12TB | — | $469.00checked 8h ago | $0.039View at Newegg | ||||
45 | HDD | 6 TB | — | $234.99checked 8h ago | $0.039View at Amazon | ||||
46 | HDD | 20 TB | — | $787.00checked 8h ago | $0.039View at Amazon | ||||
47 | HDD | 16 TB | — | $629.99checked 8h ago | $0.039View at Amazon | ||||
48 | HDD | 18TB | — | $708.99checked 8h ago | $0.039View at Newegg | ||||
49 | HDD | 10 TB | — | $394.99checked 8h ago | $0.039View at Amazon | ||||
50 | HDD | 10TB | — | $394.99checked 8h ago | $0.039View at Newegg | ||||
51 | HDD | 16TB | — | $635.00checked 8h ago | $0.040View at Newegg | ||||
52 | HDD | 20TB | — | $799.00checked 8h ago | $0.040View at Newegg | ||||
53 | HDD | 3 TB | — | $119.95checked 8h ago | $0.040View at Amazon | ||||
54 | HDD | 4 TB | — | $159.99checked 8h ago | $0.040View at Amazon | ||||
55 | HDD | 4TB | — | $159.99checked 8h ago | $0.040View at Newegg | ||||
56 | HDD | 4 TB | — | $159.99checked 8h ago | $0.040View at Amazon | ||||
57 | HDD | 18TB | — | $719.97checked 32h ago | $0.040View at Newegg | ||||
58 | HDD | 10TB | — | $400.99checked 8h ago | $0.040View at Newegg | ||||
59 | HDD | 8TB | — | $324.99checked 8h ago | $0.041View at Newegg | ||||
60 | HDD | 8 TB | — | $324.99checked 8h ago | $0.041View at Amazon | ||||
61 | HDD | 8 TB | 215 / 215MB/s | 4.3(20) | $324.99checked 8h ago | $0.041View at Best Buy | |||
62 | HDD | 20TB | — | $813.47checked 8h ago | $0.041View at Newegg | ||||
63 | HDD | 18TB | — | $736.99checked 32h ago | $0.041View at Newegg | ||||
64 | HDD | 28 TB | — | $1149.93checked 8h ago | $0.041View at Amazon | ||||
65 | HDD | 14TB | — | $575.00checked 44h ago | $0.041View at Newegg | ||||
66 | HDD | 10TB | — | $412.00checked 32h ago | $0.041View at Newegg | ||||
67 | HDD | 8 TB | — | $329.99checked 8h ago | $0.041View at Amazon | ||||
68 | HDD | 4TB | — | $165.00checked 8h ago | $0.041View at Newegg | ||||
69 | HDD | 4TB | — | $165.00checked 8h ago | $0.041View at Newegg | ||||
70 | HDD | 18TB | — | $745.29checked 8h ago | $0.041View at Newegg | ||||
71 | HDD | 18TB | — | $745.99checked 8h ago | $0.041View at Newegg | ||||
72 | HDD | 20 TB | — | $829.99checked 8h ago | $0.042View at Amazon | ||||
73 | HDD | 4 TB | — | $166.14checked 8h ago | $0.042View at Amazon | ||||
74 | HDD | 1.2TB | — | $49.94checked 8h ago | $0.042View at Newegg | ||||
75 | HDD | 8TB | — | $333.08checked 8h ago | $0.042View at Newegg | ||||
76 | HDD | 16TB | — | $670.99checked 8h ago | $0.042View at Newegg | ||||
77 | HDD | 4TB | — | $167.99checked 2d ago | $0.042View at Newegg | ||||
78 | HDD | 3TB | — | $126.19checked 8h ago | $0.042View at Newegg | ||||
79 | HDD | 12TB | — | $504.99checked 8h ago | $0.042View at Newegg | ||||
80 | HDD | 12TB | — | $505.00checked 8h ago | $0.042View at Newegg | ||||
81 | HDD | 8 TB | — | $338.40checked 8h ago | $0.042View at Amazon | ||||
82 | HDD | 16TB | — | $676.90checked 8h ago | $0.042View at Newegg | ||||
83 | HDD | 4 TB | — | $169.95checked 8h ago | $0.042View at Amazon | ||||
84 | HDD | 4 TB | — | $169.95checked 8h ago | $0.042View at Amazon | ||||
85 | HDD | 8TB | — | $339.99checked 8h ago | $0.042View at Newegg | ||||
86 | HDD | 2TB | — | $85.00checked 8h ago | $0.043View at Newegg | ||||
87 | HDD | 24TB | — | $1026.99checked 2d ago | $0.043View at Newegg | ||||
88 | HDD | 16 TB | — | $685.00checked 8h ago | $0.043View at Amazon | ||||
89 | HDD | 14TB | — | $600.00checked 8h ago | $0.043View at Newegg | ||||
90 | HDD | 16TB | — | $686.00checked 8h ago | $0.043View at Newegg | ||||
91 | HDD | 5 TB | — | $214.90checked 8h ago | $0.043View at Amazon | ||||
92 | HDD | 16TB | — | $688.20checked 8h ago | $0.043View at Newegg | ||||
93 | HDD | 18TB | — | $774.47checked 8h ago | $0.043View at Newegg | ||||
94 | HDD | 18TB | — | $775.03checked 8h ago | $0.043View at Newegg | ||||
95 | HDD | 16TB | — | $690.00checked 8h ago | $0.043View at Newegg | ||||
96 | HDD | 6 TB | — | $259.00checked 8h ago | $0.043View at Amazon | ||||
97 | HDD | 16TB | — | $693.00checked 2d ago | $0.043View at Newegg | ||||
98 | HDD | 12TB | — | $519.99checked 2d ago | $0.043View at Newegg | ||||
99 | HDD | 24TB | — | $1040.10checked 8h ago | $0.043View at Newegg | ||||
100 | HDD | 16TB | — | $694.45checked 8h ago | $0.043View at Newegg |
JIYINGDUO 8TB External Hard Drive,Portable HDD,Ultra Slim Extended Storage for PC, Mac, Laptop, PS4, Phone
Capacity
8 TB
Price
$199.00
$/GB
$0.025
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
$359.99
$/GB
$0.026
HGST Ultrastar 7K6000 HUS726060ALE610 0F23001 6TB 7200 RPM SATA 3.5" 512E ISE 128MB Cache Enterprise Hard Drive
Capacity
6 TB
Price
$166.00
$/GB
$0.028
Seagate Expansion Desktop 16TB External Hard Drive HDD - USB 3.0 - STKP16000400
Capacity
16TB
Price
$449.99
$/GB
$0.028
Seagate Expansion 24TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP24000400)
Capacity
24 TB
Price
$679.99
$/GB
$0.028
WL 6TB 5700RPM 64MB Cache 5700RPM SATA III (6.0Gb/s) 3.5" Internal Hard Drive (Desktop PC, CCTV DVR, NAS) - w/1 Year Warranty
Capacity
6 TB
Price
$179.99
$/GB
$0.030
OSENTRiX GX100 10TB USB 3.2 Gen 2 USB-C External Hard Drive with USB Hub for Windows or MacOS Desktop PC/Laptop - 2 Year Warranty
Capacity
10 TB
Price
$309.99
$/GB
$0.031
Seagate - Seagate One Touch Desktop HDD 16TB - Space Gray
Capacity
16 TB
Price
$509.99
$/GB
$0.032
Seagate Exos X20z ST20000NM001J 20TB 7.2K RPM SATA 6Gb/s 3.5 (HOST MANAGED SMR)
Capacity
20TB
Price
$639.00
$/GB
$0.032
TOSHIBA HDWG62CUZSVA 22TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Hard Drive Retail
Capacity
22TB
Price
$709.99
$/GB
$0.032
Seagate - Seagate One Touch Desktop HDD 20 TB - Space Gray
Capacity
20 TB
Price
$649.99
$/GB
$0.033
Seagate Exos X16 ST14000NM001G 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive
Capacity
14TB
Price
$475.00
$/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
$278.99
$/GB
$0.035
Seagate - Expansion Desktop External HDD 8TB - Black
Capacity
8 TB
Price
$279.00
$/GB
$0.035
MaxDigitalData 6TB 7200RPM 128MB Cache SATA 6.0Gb/s 3.5" Internal Hard Drive for Surveillance (MD6000GSA12872DVR) - 3 Years Warranty
Capacity
6 TB
Price
$209.99
$/GB
$0.035
Seagate 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
$279.99
$/GB
$0.035
Seagate - Barracuda 8TB Internal Hard Drive for Desktops
Capacity
8 TB
Price
$279.99
$/GB
$0.035
HGST Ultrastar 7K3000 HUA723030ALA640 (0F12456) 3TB 7200 RPM 64MB Cache SATA 6.0Gb/s 3.5' Enterprisel Hard Drive Bare Drive
Capacity
3TB
Price
$105.00
$/GB
$0.035
WD Ultrastar DC HC550 18TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38459 (WUH721818ALE6L4)
Capacity
18TB
Price
$635.14
$/GB
$0.035
Seagate IronWolf Pro 14 TB NAS RAID Internal Hard Drive - 7,200 RPM SATA 6 Gb/s 3.5-inch (ST14000NE0008)
Capacity
14TB
Price
$496.00
$/GB
$0.035
TOSHIBA N300 Pro HDWG82AXZSTB 20TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drives BULK - Mb/ESD bag + Cardboard Box
Capacity
20TB
Price
$709.99
$/GB
$0.035
Seagate Skyhawk 6TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 256MB Cache for DVR NVR Security Camera System with in-House Rescue Services (ST6000VXZ09/009)
Capacity
6 TB
Price
$214.99
$/GB
$0.036
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 IronWolf Pro 14TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST14000NE0008
Capacity
14TB
Price
$505.00
$/GB
$0.036
seagate ironwolf pro st14000ne0008 14 tb hard drive - 3.5' internal - sata (sata/600)
Capacity
14TB
Price
$506.00
$/GB
$0.036
Seagate - Seagate One Touch Desktop HDD 8 TB - Space Gray
Capacity
8 TB
Price
$289.99
$/GB
$0.036
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
$441.75
$/GB
$0.037
Dell - 2 TB 7200 RPM Enterprise SATA 3.5' Hard Drive for PowerEdge / PowerVault Systems. Equipped with tray. Mfr P/N: 2G4HM
Capacity
2TB
Price
$74.00
$/GB
$0.037
Avolusion PRO-T5 4TB USB 3.0 External Hard Drive for Windows & Mac OS (White) - 2 Year Warranty
Capacity
4 TB
Price
$149.99
$/GB
$0.037
MDD MAXDIGITALDATA MaxDigitalData 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5inch Internal Hard Drive for NAS Network Storage (MD8000GSA25672NAS)
Capacity
8 TB
Price
$299.99
$/GB
$0.037
HGST HDS724040ALE640 Deskstar 7K4000 HDS724040ALA640 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600)
Capacity
4TB
Price
$150.00
$/GB
$0.037
Seagate Barracuda XT ST4000DX000 4 TB Hard Drive - SATA [SATA/600] - 3.5 Drive - Internal (ST4000DX000)
Capacity
4TB
Price
$150.00
$/GB
$0.037
Seagate IronWolf ST12000VN0008 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST12000VN0008) - OEM Pack, International Version No Warranty
Capacity
12TB
Price
$450.00
$/GB
$0.037
Seagate IronWolf 14TB NAS Internal Hard Drive HDD - 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage (ST14000VN0008)
Capacity
14TB
Price
$525.10
$/GB
$0.038
HP 6 TB 3.5' Internal Hard Drive
Capacity
6TB
Price
$225.10
$/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
HGST Ultrastar He8 HUH728060ALE600 (0F23269) 6TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives
Capacity
6TB
Price
$227.40
$/GB
$0.038
Seagate Constellation ES.3 ST3000NM0033 3TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Enterprise Internal Hard Drive Bare Drive
Capacity
3TB
Price
$114.99
$/GB
$0.038
Toshiba-IMSourcing MG04ACA 6 TB 3.5' Internal Hard Drive - SATA - 7200rpm - 128 MB Buffer
Capacity
6TB
Price
$231.18
$/GB
$0.039
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
Capacity
16TB
Price
$618.14
$/GB
$0.039
Seagate Enterprise Capacity 3.5'' HDD 8TB 7200 RPM 4Kn SATA 6Gb/s 256MB Cache Internal Hard Drive ST8000NM0045
Capacity
8TB
Price
$310.00
$/GB
$0.039
Seagate Exos X18 ST16000NM001J 16 TB Hard Drive - Internal - SATA (SATA/600) - Video Surveillance System, Storage System Device Supported - 7200rpm
Capacity
16TB
Price
$622.10
$/GB
$0.039
TOSHIBA MD04ACA400 4TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$155.82
$/GB
$0.039
Seagate SkyHawk AI ST12000VE0008 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
12TB
Price
$469.00
$/GB
$0.039
Seagate Expansion 6TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP6000400)
Capacity
6 TB
Price
$234.99
$/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
$787.00
$/GB
$0.039
Seagate IronWolf Pro, 16 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST16000NT001)
Capacity
16 TB
Price
$629.99
$/GB
$0.039
Seagate Exos X18 ST18000NM000J 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$708.99
$/GB
$0.039
Western Digital 10TB WD Blue Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, 512 MB Cache, 3.5" - WD100EAGZ
Capacity
10 TB
Price
$394.99
$/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 IronWolf Pro ST16000NT001 16TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive - OEM
Capacity
16TB
Price
$635.00
$/GB
$0.040
WD Elements 20TB USB 3.0 Desktop External Hard Drive WDBWLG0200HBK-NESN Black
Capacity
20TB
Price
$799.00
$/GB
$0.040
WL 3TB 7200RPM 64MB Cache SATA III 6.0Gb/s 3.5" Internal Desktop Hard Drive (For RAID, NAS, DVR, Desktop PC) w/1 Year Warranty
Capacity
3 TB
Price
$119.95
$/GB
$0.040
MDD MAXDIGITALDATA (MDD4000GSA6472 4TB 7200RPM 64MB Cache SATA 6.0Gb/s 3.5inch Internal Desktop Hard Drive (for Desktop PC, Mac, CCTV DVR, Surveillence, Server, NAS)
Capacity
4 TB
Price
$159.99
$/GB
$0.040
Seagate BarraCuda ST4000DM004 4TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive - OEM
Capacity
4TB
Price
$159.99
$/GB
$0.040
Seagate Skyhawk 4TB Video Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 64MB Cache for DVR NVR Security Camera System with Drive Health Management and in-House Rescue Services (ST4000VXZ16/016)
Capacity
4 TB
Price
$159.99
$/GB
$0.040
Seagate IronWolf Pro 18TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST18000NE000
Capacity
18TB
Price
$719.97
$/GB
$0.040
Seagate IronWolf ST10000VN000 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
Capacity
10TB
Price
$400.99
$/GB
$0.040
WD Blue 8TB Desktop Hard Disk Drive - 5640 RPM SATA 6Gb/s 256MB Cache 3.5 Inch - WD80EAAZ
Capacity
8TB
Price
$324.99
$/GB
$0.041
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
$324.99
$/GB
$0.041
WD - Blue 8TB PC Internal Hard Drive for Desktops
Capacity
8 TB
Price
$324.99
$/GB
$0.041
Toshiba N300 PRO 20TB Large-Sized Business NAS (up to 24 Bays) 3.5-Inch Internal Hard Drive - Up to 300 TB/Year Workload Rate CMR SATA 6 Gb/s 7200
Capacity
20TB
Price
$813.47
$/GB
$0.041
Seagate Exos X20 ST18000NM003D 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive (ST18000NM003D)
Capacity
18TB
Price
$736.99
$/GB
$0.041
Seagate Expansion 28TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP28000400)
Capacity
28 TB
Price
$1149.93
$/GB
$0.041
Seagate IronWolf 14TB NAS Internal Hard Drive HDD - CMR 3.5 Inch SATA 256MB Cache for RAID Network Attached Storage - Frustration Free Packaging
Capacity
14TB
Price
$575.00
$/GB
$0.041
Seagate IronWolf ST10000NE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000NE0008)
Capacity
10TB
Price
$412.00
$/GB
$0.041
Seagate IronWolf 8TB NAS Internal Hard Drive HDD – 3.5 Inch SATA 6Gb/s 7200 RPM 256MB Cache for RAID Network Attached Storage – Frustration Free Packaging (ST8000VNZ04/N004)
Capacity
8 TB
Price
$329.99
$/GB
$0.041
Seagate Desktop HDD ST4000DM000 4TB 5900 RPM 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$165.00
$/GB
$0.041
Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
4TB
Price
$165.00
$/GB
$0.041
TOSHIBA X300 Pro HDWR51JXZSTB 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$745.29
$/GB
$0.041
Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$745.99
$/GB
$0.041
Seagate IronWolf Pro, 20 TB, Enterprise NAS Internal HDD –CMR 3.5 Inch, SATA 6 Gb/s, 7,200 RPM, 256 MB Cache for RAID Network Attached Storage (ST20000NT001)
Capacity
20 TB
Price
$829.99
$/GB
$0.042
WD 4TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBU6Y0040BBK-WESN
Capacity
4 TB
Price
$166.14
$/GB
$0.042
Seagate Savvio 10K.7 1.20 TB 2.5' Internal Hard Drive ST1200MM0007 (ST1200MM0007)
Capacity
1.2TB
Price
$49.94
$/GB
$0.042
Seagate One Touch 8TB External Hard Drive Desktop HDD - USB-C compatible with most Windows and macOS, Rescue Recovery (STNB8000400)
Capacity
8TB
Price
$333.08
$/GB
$0.042
Seagate IronWolf ST16000VN001 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
16TB
Price
$670.99
$/GB
$0.042
Seagate Barracuda ST4000DM004 4 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST4000DM004)
Capacity
4TB
Price
$167.99
$/GB
$0.042
HP 628059-B21 3TB 7200 RPM SATA 3.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
3TB
Price
$126.19
$/GB
$0.042
WD Blue WD120EAGZ 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$504.99
$/GB
$0.042
Seagate IronWolf Pro ST12000NT001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
12TB
Price
$505.00
$/GB
$0.042
Seagate Expansion 8TB External Hard Drive HDD - USB 3.0, with Rescue Data Recovery Services (STKP8000400)
Capacity
8 TB
Price
$338.40
$/GB
$0.042
Seagate Skyhawk AI SATA III 3.5' Internal Hard Drive - 16TB, Single, 512MB Cache (ST16000VE004)
Capacity
16TB
Price
$676.90
$/GB
$0.042
White Label WL 4TB 7200RPM 64MB Cache SATA 6.0Gb/s (Enterprise Grade) 3.5" Hard Drive (for Server, RAID, NAS, DVR, Desktop PC)
Capacity
4 TB
Price
$169.95
$/GB
$0.042
WL 4TB 64MB Cache 5400RPM SATA III (6.0Gb/s) 3.5" Internal Surveillance DVR Hard Drive - w/ 1 Year Warranty
Capacity
4 TB
Price
$169.95
$/GB
$0.042
Seagate Exos 7E10 ST8000NM017B 8 TB Hard Drive - Internal - SATA (SATA/600) - Storage System, Video Surveillance System Device Supported - 7200rpm
Capacity
8TB
Price
$339.99
$/GB
$0.042
WD2003FYYS-18W0B0 - DELL WD2003FYYS-18W0B0 DELL 2TB 7.2K 3G LFF SATA HARD DRIVE
Capacity
2TB
Price
$85.00
$/GB
$0.043
Seagate IronWolf Pro ST24000NT002 24TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
24TB
Price
$1026.99
$/GB
$0.043
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 Management and in-House Rescue Services (ST16000VE000)
Capacity
16 TB
Price
$685.00
$/GB
$0.043
WD Elements 14TB USB 3.0 Desktop External Hard Drive WDBWLG0140HBK-NESN Black
Capacity
14TB
Price
$600.00
$/GB
$0.043
WD Elements 16TB USB 3.0 Desktop External Hard Drive WDBWLG0160HBK-NESN Black
Capacity
16TB
Price
$686.00
$/GB
$0.043
WD 5TB My Passport, Portable External Hard Drive, Black, backup software with defense against ransomware, and password protection, USB 3.1/USB 3.0 compatible - WDBPKJ0050BBK-WESN
Capacity
5 TB
Price
$214.90
$/GB
$0.043
Seagate SKYHAWK AI 16TB SATA 6.0Gb/s Internal Hard Drive ST16000VE002
Capacity
16TB
Price
$688.20
$/GB
$0.043
WD Elements 18TB USB 3.0 Desktop External Hard Drive NE-WDBWLG0180HBK-NESN Black
Capacity
18TB
Price
$774.47
$/GB
$0.043
MG09ACA18TE 18TB - Toshiba 7200RPM 512e 3.5' SATA
Capacity
18TB
Price
$775.03
$/GB
$0.043
Seagate IronWolf Pro ST16000NE000 16 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST16000NE000)
Capacity
16TB
Price
$690.00
$/GB
$0.043
WD 6TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password Protection, USB 3.1/USB 3.0 Compatible - WDBR9S0060BBK-WESN
Capacity
6 TB
Price
$259.00
$/GB
$0.043
Seagate SkyHawk AI 16TB 3.5' SATA 256MB 7200RPM Hard Drive ST16000VE000
Capacity
16TB
Price
$693.00
$/GB
$0.043
Seagate SkyHawk AI ST12000VE001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
12TB
Price
$519.99
$/GB
$0.043
Seagate BarraCuda ST24000DM001 24TB 7200 RPM SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
24TB
Price
$1040.10
$/GB
$0.043
Seagate Ironwolf pro 16tb nas internal hard drive hdd - cmr 3.5 inch sata 6gb/s 7200 rpm 256mb cache for raid network attached storage, data
Capacity
16TB
Price
$694.45
$/GB
$0.043
Most tracked Hard Drives (HDD)
Products with the longest price history on BuyPerUnit
- Western Digital WD - easystore 8TB External USB 3.0 Hard Drive - Black
- Western Digital WD - D10 8TB External USB 3.2 Gen 1 Portable Hard Drive - Black
- Western Digital WD - easystore 20TB External USB 3.0 Hard Drive - Black
- Toshiba Canvio Basics 2TB Portable External Hard Drive USB 3.0, Black - HDTB420XK3AA
- Western Digital WD - My Passport 5TB External USB 3.0 Portable Hard Drive - Black
- Western Digital WD - My Passport Ultra 4TB External USB 3.0 Portable Hard Drive - Silver
- Toshiba Canvio Basics 1TB Portable External Hard Drive USB 3.0, Black - HDTB510XK3AA
- G-DRIVE SanDisk Professional - G-DRIVE ArmorATD 4TB External USB-C Portable Hard Drive - Space Gray
- Western Digital WD - P10 5TB External USB 3.2 Gen 1 Portable Hard Drive - Black
- NRICO Portable External Hard Drive, USB 3.0, 2.5 Inch, Blue, 500,GB
- Kosbees 500 GB External Hard Drives,Portable Hard Drive for Windows,Ultra Slim External HDD Store Compatible with PC, MAC,Laptop,PS4, Xbox one, Xbox 360;Plug and Play Ready
- GAZELLE High-Speed 1TB Ultra Slim Portable External Hard Drive - 2-in-1 Type C & USB 3.0, Compatible with PC, Mac, Laptop, PS4, Xbox, iPad, Tablet, Mobile (Black) - 1 Year Warranty
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 966+ HDDs ranked by price per gigabyte — a capacity-cost comparison to use alongside compatibility, performance and warranty.
Right now, the cheapest HDD storage starts at just $0.025/GB, while the average on this page is $0.039/GB. Whether you need bulk storage for backups, a NAS, or a media server, we help you find the best deal. For faster storage, compare SSDs here.
HDD Buying Guide: Get the Best Value
1. Compare Price Per GB
A $150 4TB drive ($0.037/GB) beats a $70 1TB drive ($0.07/GB) in value. Always divide price by capacity to find the real cost — that's what we do for every listing.
2. Bigger = Cheaper Per GB
Storage follows economies of scale. 4TB+ drives almost always have the lowest price per gigabyte. Buy more capacity upfront to save long-term.
3. Match RPM to Your Use Case
7200 RPM drives are faster and better for desktop use or active NAS workloads. 5400 RPM drives run cooler and quieter — ideal for bulk archival or always-on backup drives where speed is less critical.
4. Watch for Sales
Hard drive prices fluctuate. We update prices daily so you can catch the best deals. Bookmark this page and check back regularly.
3.5" Desktop vs 2.5" Laptop HDD: Which Should You Buy?
| Type | Typical $/GB | Max Capacity | Best For |
|---|---|---|---|
| 3.5" Desktop HDD | $0.015–0.025 | 20TB+ | Desktop PC, NAS, media server |
| 2.5" Laptop HDD | $0.025–0.045 | 5TB | Laptop upgrade, portable use |
| External HDD | $0.020–0.040 | 20TB+ | Backup, portable storage, archiving |
Frequently Asked Questions About Buying Hard Drives
What is the cheapest hard drive per GB right now?
Is it better to buy one large hard drive or multiple smaller ones?
Should I buy 5400 RPM or 7200 RPM?
When is the best time to buy cheap hard drives?
What brands make the most reliable hard drives?
How We Find the Cheapest Hard Drives
BuyPerUnit calculates the price per gigabyte for every hard drive by dividing the current price by the storage capacity. This gives you the true cost of storage, making it easy to compare drives of different sizes.
Products are ranked from best value (lowest $/GB) to worst. We update prices regularly from Amazon, Best Buy, and Newegg to ensure you always see current deals. Click any product to view the latest price and purchase directly.
BuyPerUnit is an affiliate site. We earn a commission when you purchase through our links at no extra cost to you.
Shop Hard Drives (HDD) by Brand
Shop Hard Drives (HDD) by Capacity
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