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 | |||||||
|---|---|---|---|---|---|---|---|---|---|
101 | HDD | 16TB | — | $699.98checked 1h ago | $0.044View at Newegg | ||||
102 | HDD | 4TB | — | $175.00checked 1h ago | $0.044View at Newegg | ||||
103 | HDD | 8TB | — | $350.10checked 1h ago | $0.044View at Newegg | ||||
104 | HDD | 18TB | — | $789.99checked 1h ago | $0.044View at Newegg | ||||
105 | HDD | 12TB | — | $526.99checked 1h ago | $0.044View at Newegg | ||||
106 | HDD | 20TB | — | $878.97checked 1h ago | $0.044View at Newegg | ||||
107 | HDD | 5 TB | — | 4.6(563) | $219.99checked 1h ago | $0.044View at Best Buy | |||
108 | HDD | 4TB | — | $176.00checked 1h ago | $0.044View at Newegg | ||||
109 | HDD | 20 TB | — | $879.99checked 1h ago | $0.044View at Amazon | ||||
110 | HDD | 20 TB | — | 4.6(297) | $879.99checked 1h ago | $0.044View at Best Buy | |||
111 | HDD | 6 TB | — | $264.90checked 1h ago | $0.044View at Amazon | ||||
112 | HDD | 24 TB | — | $1059.99checked 1h ago | $0.044View at Amazon | ||||
113 | HDD | 6 TB | — | $265.00checked 1h ago | $0.044View at Amazon | ||||
114 | HDD | 12TB | — | $531.99checked 25h ago | $0.044View at Newegg | ||||
115 | HDD | 6TB | — | $266.30checked 1h ago | $0.044View at Newegg | ||||
116 | HDD | 18TB | — | $799.00checked 1h ago | $0.044View at Newegg | ||||
117 | HDD | 10TB | — | $444.50checked 1h ago | $0.044View at Newegg | ||||
118 | HDD | 12 TB | — | $533.81checked 1h ago | $0.044View at Amazon | ||||
119 | HDD | 12TB | — | $534.45checked 1h ago | $0.045View at Newegg | ||||
120 | HDD | 20 TB | — | $891.99checked 1h ago | $0.045View at Amazon | ||||
121 | HDD | 16 TB | — | $714.99checked 1h ago | $0.045View at Amazon | ||||
122 | HDD | 16TB | — | $714.99checked 1h ago | $0.045View at Newegg | ||||
123 | HDD | 14 TB | — | $626.00checked 1h ago | $0.045View at Amazon | ||||
124 | HDD | 4TB | — | $178.99checked 1h ago | $0.045View at Newegg | ||||
125 | HDD | 4 TB | — | $179.99checked 1h ago | $0.045View at Amazon | ||||
126 | HDD | 4 TB | 180 / 180MB/s | 4.6(10) | $179.99checked 1h ago | $0.045View at Best Buy | |||
127 | HDD | 16TB | — | $719.99checked 1h ago | $0.045View at Newegg | ||||
128 | HDD | 12TB | — | $539.99checked 1h ago | $0.045View at Newegg | ||||
129 | HDD | 5TB | — | $225.00checked 1h ago | $0.045View at Newegg | ||||
130 | HDD | 14TB | — | $630.10checked 1h ago | $0.045View at Newegg | ||||
131 | HDD | 22TB | — | $999.00checked 1h ago | $0.045View at Newegg | ||||
132 | HDD | 16TB | — | $728.17checked 1h ago | $0.046View at Newegg | ||||
133 | HDD | 16TB | — | $730.21checked 25h ago | $0.046View at Newegg | ||||
134 | HDD | 4 TB | — | $183.39checked 1h ago | $0.046View at Amazon | ||||
135 | HDD | 16 TB | — | $734.00checked 1h ago | $0.046View at Amazon | ||||
136 | HDD | 10TB | — | $459.95checked 1h ago | $0.046View at Newegg | ||||
137 | HDD | 10 TB | 260 / 260MB/s | $459.99checked 1h ago | $0.046View at Amazon | ||||
138 | HDD | 20TB | — | $919.99checked 1h ago | $0.046View at Newegg | ||||
139 | HDD | 12TB | — | $553.99checked 1h ago | $0.046View at Newegg | ||||
140 | HDD | 4TB | — | $184.99checked 1h ago | $0.046View at Newegg | ||||
141 | HDD | 16TB | — | $739.99checked 1h ago | $0.046View at Newegg | ||||
142 | HDD | 4TB | — | $185.00checked 1h ago | $0.046View at Newegg | ||||
143 | HDD | 4TB | — | $185.00checked 1h ago | $0.046View at Newegg | ||||
144 | HDD | 12TB | — | $557.10checked 1h ago | $0.046View at Newegg | ||||
145 | HDD | 14TB | — | $649.99checked 1h ago | $0.046View at Newegg | ||||
146 | HDD | 14TB | — | $649.99checked 1h ago | $0.046View at Newegg | ||||
147 | HDD | 14TB | — | $652.00checked 2d ago | $0.047View at Newegg | ||||
148 | HDD | 6TB | — | $279.99checked 1h ago | $0.047View at Newegg | ||||
149 | HDD | 6TB | — | $280.00checked 1h ago | $0.047View at Newegg | ||||
150 | HDD | 14TB | — | $654.45checked 1h ago | $0.047View at Newegg | ||||
151 | HDD | 4TB | — | $187.00checked 1h ago | $0.047View at Newegg | ||||
152 | HDD | 8 TB | 215 / 215MB/s | 4.8(90) | $374.99checked 1h ago | $0.047View at Best Buy | |||
153 | HDD | 32TB | — | $1499.99checked 1h ago | $0.047View at Newegg | ||||
154 | HDD | 20TB | — | $938.50checked 1h ago | $0.047View at Newegg | ||||
155 | HDD | 6TB | — | $283.00checked 1h ago | $0.047View at Newegg | ||||
156 | HDD | 8TB | — | $377.42checked 1h ago | $0.047View at Newegg | ||||
157 | HDD | 18TB | — | $850.00checked 1h ago | $0.047View at Newegg | ||||
158 | HDD | 6TB | — | $283.55checked 1h ago | $0.047View at Newegg | ||||
159 | HDD | 8TB | — | $378.24checked 1h ago | $0.047View at Newegg | ||||
160 | HDD | 20TB | — | $946.49checked 1h ago | $0.047View at Newegg | ||||
161 | HDD | 4 TB | — | $189.99checked 1h ago | $0.047View at Amazon | ||||
162 | HDD | 4TB | — | $189.99checked 13h ago | $0.047View at Newegg | ||||
163 | HDD | 4 TB | — | $189.99checked 1h ago | $0.047View at Amazon | ||||
164 | HDD | 4TB | — | $189.99checked 25h ago | $0.047View at Newegg | ||||
165 | HDD | 4 TB | — | $189.99checked 1h ago | $0.047View at Amazon | ||||
166 | HDD | 4 TB | — | 4.6(50) | $189.99checked 1h ago | $0.047View at Best Buy | |||
167 | HDD | 4 TB | — | $189.99checked 1h ago | $0.047View at Best Buy | ||||
168 | HDD | 16TB | — | $759.99checked 1h ago | $0.047View at Newegg | ||||
169 | HDD | 8TB | — | $379.99checked 1h ago | $0.047View at Newegg | ||||
170 | HDD | 18TB | — | $854.99checked 1h ago | $0.047View at Newegg | ||||
171 | HDD | 4TB | — | $190.10checked 1h ago | $0.048View at Newegg | ||||
172 | HDD | 10TB | — | $477.45checked 25h ago | $0.048View at Newegg | ||||
173 | HDD | 12TB | — | $573.00checked 1h ago | $0.048View at Newegg | ||||
174 | HDD | 10 TB | — | $478.00checked 1h ago | $0.048View at Amazon | ||||
175 | HDD | 8TB | — | $383.56checked 1h ago | $0.048View at Newegg | ||||
176 | HDD | 5 TB | — | 4.7(919) | $239.99checked 1h ago | $0.048View at Best Buy | |||
177 | HDD | 10TB | — | $479.99checked 1h ago | $0.048View at Newegg | ||||
178 | HDD | 10 TB | — | $479.99checked 1h ago | $0.048View at Amazon | ||||
179 | HDD | 12TB | — | $576.10checked 1h ago | $0.048View at Newegg | ||||
180 | HDD | 18TB | — | $864.99checked 1h ago | $0.048View at Newegg | ||||
181 | HDD | 4TB | — | $192.38checked 1h ago | $0.048View at Newegg | ||||
182 | HDD | 20TB | — | $964.36checked 1h ago | $0.048View at Newegg | ||||
183 | HDD | 4 TB | — | $193.20checked 1h ago | $0.048View at Amazon | ||||
184 | HDD | 14TB | — | $678.00checked 1h ago | $0.048View at Newegg | ||||
185 | HDD | 8TB | — | $389.00checked 1h ago | $0.049View at Newegg | ||||
186 | HDD | 12TB | — | $584.54checked 1h ago | $0.049View at Newegg | ||||
187 | HDD | 4 TB | — | $194.95checked 1h ago | $0.049View at Amazon | ||||
188 | HDD | 4 TB | 180 / 180MB/s | 4.7(25) | $194.99checked 1h ago | $0.049View at Best Buy | |||
189 | HDD | 4 TB | 180 / 180MB/s | 4.5(16) | $194.99checked 1h ago | $0.049View at Best Buy | |||
190 | HDD | 20TB | — | $974.99checked 1h ago | $0.049View at Newegg | ||||
191 | HDD | 10TB | — | $488.00checked 1h ago | $0.049View at Newegg | ||||
192 | HDD | 8TB | — | $391.30checked 1h ago | $0.049View at Newegg | ||||
193 | HDD | 4TB | — | $195.94checked 1h ago | $0.049View at Newegg | ||||
194 | HDD | 20TB | — | $979.90checked 1h ago | $0.049View at Newegg | ||||
195 | HDD | 2TB | — | $98.00checked 1h ago | $0.049View at Newegg | ||||
196 | HDD | 5 TB | — | $245.00checked 1h ago | $0.049View at Amazon | ||||
197 | HDD | 14TB | — | $686.99checked 1h ago | $0.049View at Newegg | ||||
198 | HDD | 12TB | — | $589.00checked 25h ago | $0.049View at Newegg | ||||
199 | HDD | 5TB | — | $245.89checked 25h ago | $0.049View at Newegg | ||||
200 | HDD | 14TB | — | $689.00checked 1h ago | $0.049View at Newegg |
Seagate SKYHAWK AI 16TB SATA 6.0Gb/s Internal Hard Drive ST16000VE002
Capacity
16TB
Price
$699.98
$/GB
$0.044
Dell 4 TB Hard Drive 3.5' Internal SATA SATA/600 400AUUX
Capacity
4TB
Price
$175.00
$/GB
$0.044
Seagate BarraCuda Pro Performance Internal Hard Drive SATA HDD 8TB 6GB/s 256MB Cache 3.5-Inch (ST8000DM0004) (ST8000DM004 )
Capacity
8TB
Price
$350.10
$/GB
$0.044
Seagate IronWolf Pro ST18000NT001 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$789.99
$/GB
$0.044
WD Red Plus 12TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD120EFGX
Capacity
12TB
Price
$526.99
$/GB
$0.044
Seagate IronWolf Pro ST20000NT001 20TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
20TB
Price
$878.97
$/GB
$0.044
Seagate - Game Drive for PlayStation Consoles 5TB External USB 3.2 Gen 1 Portable Hard Drive with Blue LED Lighting - White
Capacity
5 TB
Price
$219.99
$/GB
$0.044
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XK3CA Black
Capacity
4TB
Price
$176.00
$/GB
$0.044
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
$879.99
$/GB
$0.044
WD - easystore 20TB External USB 3.0 Hard Drive - Black
Capacity
20 TB
Price
$879.99
$/GB
$0.044
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
$264.90
$/GB
$0.044
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
$1059.99
$/GB
$0.044
WD 6TB Elements Portable External Hard Drive for Windows, USB 3.2 Gen 1/USB 3.0 for PC & Mac, Plug and Play Ready - WDBHJS0060BBK-WESN
Capacity
6 TB
Price
$265.00
$/GB
$0.044
WD My Book 12TB USB 3.2 Gen 1 External Hard Drive Black
Capacity
12TB
Price
$531.99
$/GB
$0.044
WD Purple 6TB Surveillance Hard Disk Drive - 5400 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURX
Capacity
6TB
Price
$266.30
$/GB
$0.044
WD My Book 18TB USB 3.0, Micro-B External Desktop Hard Drive Black
Capacity
18TB
Price
$799.00
$/GB
$0.044
Seagate IronWolf ST10000VN000 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives Bare Drive
Capacity
10TB
Price
$444.50
$/GB
$0.044
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
$533.81
$/GB
$0.044
Seagate Exos X18 ST12000NM001J 12 TB Hard Drive - Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - Storage System, Video
Capacity
12TB
Price
$534.45
$/GB
$0.045
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
$891.99
$/GB
$0.045
Western Digital 16TB WD Red Pro NAS Internal Hard Drive HDD - 7200 RPM, SATA 6 Gb/s, CMR, 512 MB Cache, 3.5" - WD161KFGX
Capacity
16 TB
Price
$714.99
$/GB
$0.045
WD Red Pro 16TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD161KFGX
Capacity
16TB
Price
$714.99
$/GB
$0.045
WD 14TB My Book Desktop External Hard Drive, USB 3.0, External HDD with Password Protection and Backup Software - WDBBGB0140HBK-NESN
Capacity
14 TB
Price
$626.00
$/GB
$0.045
WD 4TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0040BBK-WESN)
Capacity
4TB
Price
$178.99
$/GB
$0.045
Western Digital 4TB WD Blue PC Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, 128 MB Cache, 3.5" - WD40EZZX
Capacity
4 TB
Price
$179.99
$/GB
$0.045
WD - Blue 4TB PC Internal Hard Drive for Desktops
Capacity
4 TB
Price
$179.99
$/GB
$0.045
Seagate Skyhawk AI SATA III 3.5' Internal Hard Drive - 16TB, Single, 512MB Cache (ST16000VE004)
Capacity
16TB
Price
$719.99
$/GB
$0.045
WD Red Pro 12TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD122KFBX
Capacity
12TB
Price
$539.99
$/GB
$0.045
WD 5TB My Passport Portable Storage External Hard Drive USB 3.2 for PC/MAC Black (WDBPKJ0050BBK-WESN)
Capacity
5TB
Price
$225.00
$/GB
$0.045
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
$630.10
$/GB
$0.045
WD Elements 22TB USB 3.0 Desktop External Hard Drive WDBWLG0220HBK-NESN Black
Capacity
22TB
Price
$999.00
$/GB
$0.045
WD Ultrastar DC HC550 16TB Hard Drive 3.5' Internal 512MB SATA 7200 RPM 512E SE NP3 DC HC550 0F38462 (WUH721816ALE6L4)
Capacity
16TB
Price
$728.17
$/GB
$0.046
WD Elements 16TB USB 3.0 Desktop External Hard Drive WDBWLG0160HBK-NESN Black
Capacity
16TB
Price
$730.21
$/GB
$0.046
Western Digital 4TB WD Purple Surveillance Internal Hard Drive HDD - SATA 6 Gb/s, 128 MB Cache, 3.5" - WD44PURZ
Capacity
4 TB
Price
$183.39
$/GB
$0.046
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
$734.00
$/GB
$0.046
WD Red Plus 10TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD100EFGX
Capacity
10TB
Price
$459.95
$/GB
$0.046
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
$459.99
$/GB
$0.046
Toshiba S300 AI Surveillance Internal Hard Drive - NEW 20TB #HDWTB2AXZSTAU
Capacity
20TB
Price
$919.99
$/GB
$0.046
WD Elements 12TB USB 3.0 Desktop External Hard Drive WDBWLG0120HBK-NESN Black
Capacity
12TB
Price
$553.99
$/GB
$0.046
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XW3CA White
Capacity
4TB
Price
$184.99
$/GB
$0.046
Seagate Exos X16 ST16000NM003G 16TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives, 512E/4KN, SED
Capacity
16TB
Price
$739.99
$/GB
$0.046
Seagate Desktop HDD ST4000DM000 4TB 5900 RPM 64MB Cache SATA 3.0Gb/s 3.5' Internal Hard Drive
Capacity
4TB
Price
$185.00
$/GB
$0.046
Seagate Desktop HDD ST4000DM000 4TB 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
4TB
Price
$185.00
$/GB
$0.046
Seagate Exos X18 ST12000NM000J 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives
Capacity
12TB
Price
$557.10
$/GB
$0.046
Seagate IronWolf Pro ST14000NT001 14TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
14TB
Price
$649.99
$/GB
$0.046
WD Elements 14TB USB 3.0 Desktop External Hard Drive WDBWLG0140HBK-NESN Black
Capacity
14TB
Price
$649.99
$/GB
$0.046
WD My Book 14TB Desktop External Hard Drive for Windows/Mac/Laptop, USB 3.0 Black (WDBBGB0140HBK-NESN)
Capacity
14TB
Price
$652.00
$/GB
$0.047
WD 6TB My Passport Portable Storage External Hard Drive Black (WDBR9S0060BBK-WESN)
Capacity
6TB
Price
$279.99
$/GB
$0.047
WD Purple 6TB Surveillance Hard Disk Drive - 5700 RPM Class SATA 6Gb/s 64MB Cache 3.5 Inch WD60PURZ
Capacity
6TB
Price
$280.00
$/GB
$0.047
Seagate IronWolf ST14000VN0008 14TB 3.5' SATA 6Gb/s 7200RPM 256MB Cache NAS Internal Hard Drive - New
Capacity
14TB
Price
$654.45
$/GB
$0.047
WD 4TB Elements USB 3.0 2.5' Portable External Hard Drive WDBU6Y0040BBK-WESN Black
Capacity
4TB
Price
$187.00
$/GB
$0.047
WD - Red Plus 8TB NAS Internal Hard Drive
Capacity
8 TB
Price
$374.99
$/GB
$0.047
Seagate IronWolf Pro ST32000NT000 32TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
32TB
Price
$1499.99
$/GB
$0.047
Seagate BarraCuda ST20000DM001 20TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
20TB
Price
$938.50
$/GB
$0.047
Seagate SkyHawk 6TB Surveillance Hard Drive 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST6000VX0023
Capacity
6TB
Price
$283.00
$/GB
$0.047
HGST HUH728080ALN600 - 8TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
Capacity
8TB
Price
$377.42
$/GB
$0.047
Seagate IronWolf Pro ST18000NE000 18TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive
Capacity
18TB
Price
$850.00
$/GB
$0.047
WD Red Plus 6TB 5400 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drives - WD60EFPX
Capacity
6TB
Price
$283.55
$/GB
$0.047
seagate ironwolf 8tb nas internal hard drive hdd - 3.5 inch sata 6gb/s 7200 rpm 256mb cache for raid network attached storage
Capacity
8TB
Price
$378.24
$/GB
$0.047
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
$946.49
$/GB
$0.047
Seagate Portable 4TB External Hard Drive HDD – USB 3.0 for PC, Mac, Xbox, & PlayStation - 1-Year Rescue Service (SRD0NF1)
Capacity
4 TB
Price
$189.99
$/GB
$0.047
WD Red Plus 4TB 3.5' 5400RPM SATA Internal Hard Disk Drive - WD40EFZZ
Capacity
4TB
Price
$189.99
$/GB
$0.047
Seagate 4TB Expansion Portable Hard Drive | MicroB to USB-C (STNN4000400) | New Generation of Everyday HDD storage. Windows & macOS. Lightweight & travel-ready. 1-Year Warranty + 1-Year Rescue
Capacity
4 TB
Price
$189.99
$/GB
$0.047
TOSHIBA 4TB Canvio Gaming Portable External Hard Drive USB 3.0 Model HDTX140XK3CA Black
Capacity
4TB
Price
$189.99
$/GB
$0.047
Western Digital 4TB WD Red Plus NAS Internal Hard Drive HDD - 5400 RPM, SATA 6 Gb/s, CMR, 128 MB Cache, 3.5" - WD40EFZZ
Capacity
4 TB
Price
$189.99
$/GB
$0.047
Seagate - Expansion 4TB External USB 3.0 Portable Hard Drive with Rescue Data Recovery Services - Black
Capacity
4 TB
Price
$189.99
$/GB
$0.047
Seagate - Expansion Portable HDD 4TB - Black
Capacity
4 TB
Price
$189.99
$/GB
$0.047
Toshiba S300 AI Surveillance Internal Hard Drive - NEW 16TB
Capacity
16TB
Price
$759.99
$/GB
$0.047
WD Purple 8TB Surveillance Internal Hard Drive HDD - SATA 6Gb/s 256MB Cache 3.5 Inch - WD85PURZ
Capacity
8TB
Price
$379.99
$/GB
$0.047
WD Purple Pro 18TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD181PURP
Capacity
18TB
Price
$854.99
$/GB
$0.047
HGST 0F22408 - 4TB 3.5' SATA 7,200 RPM 6Gb/s Hard Drive
Capacity
4TB
Price
$190.10
$/GB
$0.048
Seagate BarraCuda Pro ST10000DM0004 10TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
10TB
Price
$477.45
$/GB
$0.048
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST12000NE0008
Capacity
12TB
Price
$573.00
$/GB
$0.048
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
$478.00
$/GB
$0.048
Seagate IronWolf Pro ST8000NE001 8 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method
Capacity
8TB
Price
$383.56
$/GB
$0.048
LaCie - Rugged 5TB External USB-C, USB 3.1 Gen 1 Portable Hard Drive - Orange/Silver
Capacity
5 TB
Price
$239.99
$/GB
$0.048
WD Black 10TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Conventional Magnetic Recording (CMR) Method - WD102FZBX
Capacity
10TB
Price
$479.99
$/GB
$0.048
Western Digital 10TB Elements Desktop External Hard Drive, USB 3.0 external hard drive for plug-and-play storage - WDBWLG0100HBK-NESN
Capacity
10 TB
Price
$479.99
$/GB
$0.048
Seagate IronWolf Pro 12TB NAS Hard Drive 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive ST12000NE0007
Capacity
12TB
Price
$576.10
$/GB
$0.048
Toshiba S300 AI Surveillance Internal Hard Drive - NEW 18TB #HDWTB1JXZSTAU
Capacity
18TB
Price
$864.99
$/GB
$0.048
Toshiba Canvio Ready 4TB Portable External Hard Drive USB 3.0 HDTP340XK3CA Black
Capacity
4TB
Price
$192.38
$/GB
$0.048
Seagate IronWolf Pro 20TB NAS Hard Drive 7200 RPM 256MB Cache CMR SATA 6.0Gb/s 3.5' Internal HDD ST20000NE000
Capacity
20TB
Price
$964.36
$/GB
$0.048
WD 4TB My Passport, Portable External Hard Drive, Black, Backup Software with Defense Against ransomware, and Password Protection, USB 3.1/USB 3.0 Compatible - WDBPKJ0040BBK-WESN
Capacity
4 TB
Price
$193.20
$/GB
$0.048
Seagate Expansion 14TB External Hard Drive USB 3.0 with Rescue Data Recovery Services (STKP14000400)
Capacity
14TB
Price
$678.00
$/GB
$0.048
HGST Ultrastar He8 HUH728080ALE600 (0F25739) 8TB 7200 RPM 128MB Cache SATA 6.0Gb/s 3.5' Helium Platform Enterprise Hard Disk Drives Bare Drive
Capacity
8TB
Price
$389.00
$/GB
$0.049
Seagate Skyhawk AI ST12000VE001 12 TB Hard Drive - 3.5' Internal - SATA (SATA/600) - Network Video Recorder, Camera Device Supported - 3 Year
Capacity
12TB
Price
$584.54
$/GB
$0.049
Seagate Expansion Desktop, 4TB, External Hard Drive, USB 3.0 (STKP4000400)
Capacity
4 TB
Price
$194.95
$/GB
$0.049
WD - Red Plus 4TB NAS Internal Hard Drive
Capacity
4 TB
Price
$194.99
$/GB
$0.049
WD - Purple 4TB Surveillance Internal Hard Drive
Capacity
4 TB
Price
$194.99
$/GB
$0.049
Seagate Exos X20 ST20000NM007D 20TB 7200 RPM 256MB Cache 3.5' Internal Hard Drive
Capacity
20TB
Price
$974.99
$/GB
$0.049
Seagate Skyhawk AI ST10000VE0008 10 TB Hard Drive - 3.5' Internal - SATA (SATA/600) (ST10000VE0008)
Capacity
10TB
Price
$488.00
$/GB
$0.049
Seagate BarraCuda Pro ST8000DM0004 8TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Hard Drive Bare Drive
Capacity
8TB
Price
$391.30
$/GB
$0.049
TOSHIBA 4TB Canvio Advance Portable External Hard Drive USB 3.0 Model HDTCA40XG3CA Green
Capacity
4TB
Price
$195.94
$/GB
$0.049
Seagate One Touch Hub 20TB External Desktop Hard Drive STLC20000400
Capacity
20TB
Price
$979.90
$/GB
$0.049
Seagate BarraCuda Green ST2000DL003 2TB 5900 RPM 64MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
2TB
Price
$98.00
$/GB
$0.049
Seagate BarraCuda 5TB Internal Hard Drive HDD – 2.5 Inch SATA 6Gb/s 5400 RPM 128MB Cache for Computer Desktop PC (ST5000LM000)
Capacity
5 TB
Price
$245.00
$/GB
$0.049
WD Red Plus 14TB NAS Hard Disk Drive - 7200 RPM Class SATA 6Gb/s, CMR, 512MB Cache, 3.5 Inch - WD140EFGX
Capacity
14TB
Price
$686.99
$/GB
$0.049
Seagate SkyHawk AI ST12000VE001 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive Bare Drive
Capacity
12TB
Price
$589.00
$/GB
$0.049
LaCie Mobile Drive STLP5000400 5TB USB-C Portable Hard Drive Moon Silver
Capacity
5TB
Price
$245.89
$/GB
$0.049
WD Red Pro 14TB 7200 RPM 512MB Cache SATA 6.0Gb/s 3.5' Internal Hard Drive - WD142KFGX
Capacity
14TB
Price
$689.00
$/GB
$0.049
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 1108+ 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 $0.047/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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