An external hard drive suitable for backups or for moving large files from one computer to another. Available in several sizes with different storage capacity, USB, Firewire and network access. Prices from 96 stores in this category.
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Product Lowest price User rating Rank Hard drive size Price/GB Form factor
Seagate Expansion Portable Drive 2TB$139.00 326/101  2,000  GB 0.07  $/GB2.5 inches 
WD Elements Portable USB 3.0 1TB$98.00 325/102  1,024  GB 0.10  $/GB2.5 inches 
Seagate Backup Plus Slim Portable V2 USB 3.0 2TB$158.00 329/103  2,000  GB 0.08  $/GB2.5 inches 
Seagate Expansion Portable Drive 1TB$99.90 286/104  1,000  GB 0.10  $/GB2.5 inches 
WD Elements Portable USB 3.0 2TB$158.93 338/105  2,000  GB 0.08  $/GB2.5 inches 
WD My Passport Ultra II USB 3.0 2TB$168.00 258/106  2,000  GB 0.08  $/GB2.5 inches 
Seagate Expansion Desktop Drive 4TB$215.15 25 7  4,000  GB 0.05  $/GB3.5 inches 
HGST Touro Mobile USB 3.0 500GB* $66.70 3 8  500  GB 0.13  $/GB2.5 inches 
Seagate Backup Plus Portable V2 USB 3.0 4TB$285.04 17 9  4,000  GB 0.07  $/GB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 5TB$271.65 27 10  5,000  GB 0.05  $/GB3.5 inches 
Seagate Expansion Desktop Drive 5TB$256.54 255/1011  5,000  GB 0.05  $/GB3.5 inches 
Seagate Expansion Portable Drive V2 USB 3.0 1TB$89.00 98/1012  1,000  GB 0.09  $/GB2.5 inches 
Seagate Backup Plus Slim Portable V2 USB 3.0 1TB$100.00 296/1013  1,000  GB 0.10  $/GB2.5 inches 
Seagate Wireless Plus 1TB$219.76 236/1014  1,000  GB 0.22  $/GB2.5 inches 
Seagate Expansion Desktop Drive V2 USB 3.0 3TB$177.10 98/1015  3,000  GB 0.06  $/GB3.5 inches 
Toshiba Canvio Basics 2.5" USB 3.0 1TB$88.00 13 16  1,000  GB 0.09  $/GB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 8TB$435.84 25 17  8,000  GB 0.05  $/GB3.5 inches 
LaCie Rugged USB 3.0/FW800 1TB$227.15 16 18  1,000  GB 0.23  $/GB2.5 inches 
WD My Passport Ultra II USB 3.0 1TB$109.00 23 19  1,000  GB 0.11  $/GB2.5 inches 
Seagate Expansion Desktop Drive 3TB$149.00 28 20  3,000  GB 0.05  $/GB3.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 2TB$129.00 32 21  2,000  GB 0.06  $/GB3.5 inches 
WD My Passport Ultra II USB 3.0 3TB$298.00 23 22  3,000  GB 0.10  $/GB2.5 inches 
Adata DashDrive HV620 500GB$79.00 278/1023  500  GB 0.16  $/GB2.5 inches 
WD My Passport Wireless 1TB$338.95 20 24  1,000  GB 0.34  $/GB2.5 inches 
WD My Passport Ultra USB 3.0 1TB$109.00 78/1025  1,000  GB 0.11  $/GB2.5 inches 
Transcend StoreJet 25M3 TS1TSJ25M3 1TB$104.14 308/1026  931  GB 0.11  $/GB2.5 inches 
LaCie Rugged Mini USB 3.0 1TB$163.15 18 27  1,000  GB 0.16  $/GB2.5 inches 
WD My Passport Wireless 2TB$436.99 206/1028  2,000  GB 0.22  $/GB2.5 inches 
Adata DashDrive HV620 1TB$99.00 33 29  1,000  GB 0.10  $/GB2.5 inches 
Seagate Game Drive for Xbox 2TB$178.91 16 30  2,000  GB 0.09  $/GB2.5 inches 
WD My Book USB 3.0 V2 4TB$284.98 193/1031  4,000  GB 0.07  $/GB3.5 inches 
LaCie Rugged Thunderbolt/USB 3.0 V2 1TB$302.52 19 32  1,000  GB 0.30  $/GB2.5 inches 
LaCie Rugged RAID Thunderbolt/USB 3.0 4TB$635.94 11 33  4,000  GB 0.16  $/GB2.5 inches 
WD Elements Desktop 3.0 5TB$326.00 208/1034  5,000  GB 0.07  $/GB3.5 inches 
Adata DashDrive HV620 2TB$157.55 27 35  2,000  GB 0.08  $/GB2.5 inches 
Transcend StoreJet 25H3 TS2TSJ25H3P 2TB$169.35 33 36  2,000  GB 0.08  $/GB2.5 inches 
Adata DashDrive Durable HD710 USB 3.0 1TB$110.40 39 37  1,000  GB 0.11  $/GB2.5 inches 
Seagate Backup Plus Fast Portable USB 3.0 4TB$352.94 227/1038  4,000  GB 0.09  $/GB2.5 inches 
Seagate Expansion Portable Drive V2 USB 3.0 2TB$151.20 59/1039  2,000  GB 0.08  $/GB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 4TB* $239.65 214/1040  4,000  GB 0.06  $/GB3.5 inches 
LaCie Rugged Thunderbolt/USB 3.0 V2 2TB$428.61 19 41  2,000  GB 0.21  $/GB2.5 inches 
Seagate Wireless Plus 2TB$287.99 246/1042  2,000  GB 0.14  $/GB2.5 inches 
LaCie Hard Drive Porsche P9220 USB 3.0 1TB$122.61 158/1043  1,000  GB 0.12  $/GB2.5 inches 
Seagate Expansion Desktop Drive V2 USB 3.0 4TB$255.00  48/1044  4,000  GB 0.06  $/GB3.5 inches 
Seagate Wireless Mobile Storage 500GB$116.90 20 45  500  GB 0.23  $/GB2.5 inches 
Seagate Expansion Portable Drive 3TB$218.99 16 46  3,000  GB 0.07  $/GB2.5 inches 
Transcend StoreJet 25D3 TS1TSJ25D3 1TB$86.00 173/1047  1,000  GB 0.09  $/GB2.5 inches 
Transcend StoreJet 25H3 TS1TSJ25H3P 1TB$103.63 358/1048  1,000  GB 0.10  $/GB2.5 inches 
WD My Passport Ultra Premium for Mac USB 3.0 2TB$197.75 20 49  2,000  GB 0.10  $/GB2.5 inches 
Transcend StoreJet 25H3 TS500GSJ25H3P 500GB$85.00 35 50  500  GB 0.17  $/GB2.5 inches 
HGST Touro Mobile MX3 500GB$79.35 3 51  500  GB 0.16  $/GB2.5 inches 
LaCie d2 Professional Thunderbolt 2 3TB$478.81 11 52  3,000  GB 0.16  $/GB3.5 inches 
WD My Passport Pro Thunderbolt 2TB$550.00 21 53  2,000  GB 0.28  $/GB2.5 inches 
WD My Passport Ultra Metal Edition USB 3.0 1TB$119.00 56/1054  1,000  GB 0.12  $/GB2.5 inches 
WD My Book Duo 6TB$518.00 18 55  6,000  GB 0.09  $/GB3.5 inches 
LaCie Hard Drive Porsche Desktop P9233 USB 3.0 5TB$319.53 17 56  5,000  GB 0.06  $/GB3.5 inches 
Toshiba Canvio Connect 750GB$89.99 3 57  750  GB 0.12  $/GB2.5 inches 
WD My Book Pro Edition Thunderbolt 12TB$1,728.00 10 58  12,000  GB 0.14  $/GB3.5 inches 
LaCie Rugged Mini USB 3.0 2TB$228.61 18 59  2,000  GB 0.11  $/GB2.5 inches 
LaCie Rugged USB 3.0/FW800 7200rpm 500GB$176.00 13 60  500  GB 0.35  $/GB2.5 inches 
WD My Book USB 3.0 V2 2TB$179.85 23 61  2,000  GB 0.09  $/GB3.5 inches 
HGST Touro Mobile Pro 500GB$79.35  4 62  500  GB 0.16  $/GB2.5 inches 
Seagate Seven 500GB$199.95 2 63  500  GB 0.40  $/GB2.5 inches 
WD My Book USB 3.0 V2 6TB$447.48 227/1064  6,000  GB 0.07  $/GB3.5 inches 
LaCie 2big Thunderbolt 2 6TB$989.69 7 65  6,000  GB 0.17  $/GB3.5 inches 
Transcend StoreJet 25H3 TS3TSJ25H3P 3TB$305.90 11 66  3,000  GB 0.10  $/GB2.5 inches 
Corsair Voyager Air 2 Plus 1TB$215.92 21 67  1,000  GB 0.22  $/GB2.5 inches 
Seagate Backup Plus Slim for Mac USB 3.0 2TB$173.65 10 68  2,000  GB 0.09  $/GB2.5 inches 
HGST Touro Mobile MX3 1TB$98.67  36/1069  1,000  GB 0.10  $/GB2.5 inches 
WD My Passport Ultra Premium for Mac USB 3.0 1TB$142.73 20 70  1,000  GB 0.14  $/GB2.5 inches 
LaCie Hard Drive Porsche P9230 USB 3.0 4TB$257.20 12 71  4,000  GB 0.06  $/GB3.5 inches 
WD My Passport X for Xbox One USB 3.0 2TB$197.95 237/1072  2,000  GB 0.10  $/GB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 3TB* $190.86 12 73  3,000  GB 0.06  $/GB3.5 inches 
LaCie Hard Drive Porsche P9230 USB 3.0 5TB$293.04 94/1074  5,000  GB 0.06  $/GB3.5 inches 
LaCie Rugged Mini USB 3.0 7200rpm 500GB$129.89 15 75  500  GB 0.26  $/GB2.5 inches 
LaCie Hard Drive Porsche P9220 USB 3.0 2TB$188.54 14 76  2,000  GB 0.09  $/GB2.5 inches 
WD My Book Duo 8TB$733.70 15 77  8,000  GB 0.09  $/GB3.5 inches 
LaCie Rugged USB 3.0/FW800 2TB$316.93 14 78  2,000  GB 0.16  $/GB2.5 inches 
Toshiba Canvio Basics 2.5" USB 3.0 2TB$148.00 20 79  2,000  GB 0.07  $/GB2.5 inches 
Verbatim 2.5" Mobile Hard Drive USB 2.0 500GB$91.09 16 80  500  GB 0.18  $/GB2.5 inches 
Toshiba Canvio Connect II 2TB$158.25 9 81  2,000  GB 0.08  $/GB2.5 inches 
Promise Pegasus2 R4 HE151ZM/A$1,244.00 6 82  
WD Elements Desktop 3.0 4TB* $269.00 27/1083  4,000  GB 0.07  $/GB3.5 inches 
Seagate Backup Plus Slim for Mac USB 3.0 1TB$112.70 8 84  1,000  GB 0.11  $/GB2.5 inches 
LaCie d2 Professional Thunderbolt 2 4TB$595.14  6 85  4,000  GB 0.15  $/GB3.5 inches 
WD Elements Portable SE 3.0 1TB$109.91 76/1086  1,000  GB 0.11  $/GB2.5 inches 
Toshiba Canvio Connect II 1TB$105.36 10 87  1,000  GB 0.11  $/GB2.5 inches 
Transcend StoreJet 25M3 TS500GSJ25M3 500GB$83.56 28 88  500  GB 0.17  $/GB2.5 inches 
Adata DashDrive Durable HD710 USB 3.0 2TB$184.76 25 89  2,000  GB 0.09  $/GB2.5 inches 
WD My Book Studio USB 3.0 V2 3TB$280.00 19 90  3,000  GB 0.09  $/GB3.5 inches 
LaCie 8big Rack Thunderbolt 2 48TB* $7,796.28  5 91  48,000  GB 0.16  $/GB3.5 inches 
LaCie d2 Quadra V3 3TB$325.46  5 92  3,000  GB 0.11  $/GB3.5 inches 
G-Technology G-Drive Mobile USB 3.0 1TB$169.95  1 93  1,000  GB 0.17  $/GB2.5 inches 
G-Technology G-Drive Thunderbolt 3TB$499.95  1 94  3,000  GB 0.17  $/GB3.5 inches 
Verbatim Store 'n' Save Desktop USB 3.0 3TB$193.59 177/1095  3,000  GB 0.06  $/GB3.5 inches 
Seagate Expansion Portable Drive USB 3.0 500GB$89.00 3 96  500  GB 0.18  $/GB2.5 inches 
Lenovo ThinkPad USB 3.0 Secure Hard Drive 1TB$231.78 14 97  1,000  GB 0.23  $/GB2.5 inches 
LaCie Hard Drive Porsche P9230 USB 3.0 3TB$176.34  6 98  3,000  GB 0.06  $/GB3.5 inches 
WD My Book Duo 4TB$522.48 19 99  4,000  GB 0.13  $/GB3.5 inches 
WD My Book for Mac V2 USB 3.0 2TB$199.90 12 100  2,000  GB 0.10  $/GB3.5 inches 
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