External Hard Drives

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. Compare prices from 209 shops in this category.
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Product Lowest price User rating Rank Hard drive size Price/TB Form factor
Seagate Backup Plus Slim Portable V2 USB 3.0 2TB* £72.99 789/101  2 TB 36.50  £/TB2.5 inches1
Seagate Backup Plus Desktop Hub USB 3.0 8TB£179.99 296/102  8 TB 22.50  £/TB3.5 inches 
Samsung M3 Portable HX-M101TC 1TB£39.59 137/103  1 TB 40.00  £/TB2.5 inches 
Seagate Expansion Portable Drive 4TB£109.99 469/104  4 TB 27.50  £/TB2.5 inches 
Maxtor M3 Portable 4TB£94.80 447/105  4 TB 23.75  £/TB2.5 inches 
Freecom Mobile Drive XXS Leather USB 3.0 1TB£67.19 11 6  1 TB 67.00  £/TB2.5 inches 
WD Elements Desktop 2.0 2TB* £92.04 58/107  2 TB 46.00  £/TB3.5 inches1
WD Elements Portable USB 3.0 2TB* £74.99 518/108  2 TB 37.50  £/TB2.5 inches 
WD Elements Desktop 3.0 5TB£15.84 168/109  5 TB 3.20  £/TB3.5 inches 
Seagate Expansion Portable Drive 2TB£64.99 607/1010  2 TB 32.50  £/TB2.5 inches 
Toshiba Canvio Basics 2.5" USB 3.0 2TB£59.01 674/1011  2 TB 29.50  £/TB2.5 inches 
Maxtor M3 Portable 2TB£59.99 60 12  2 TB 30.00  £/TB2.5 inches 
Seagate Expansion Portable Drive 1TB£49.51 676/1013  1 TB 50.00  £/TB2.5 inches 
WD My Passport Ultra Metal Edition USB 3.0 4TB£135.76  5 14  4 TB 34.00  £/TB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 5TB£113.99 10 15  5 TB 22.80  £/TB3.5 inches1
Seagate Backup Plus Slim Portable V2 USB 3.0 1TB* £53.69 736/1016  1 TB 54.00  £/TB2.5 inches 
WD Elements Portable USB 3.0 1TB£35.88 595/1017  1 TB 36.00  £/TB2.5 inches 
WD My Passport Ultra II USB 3.0 2TB* £68.99 368/1018  2 TB 34.50  £/TB2.5 inches 
WD My Book Duo 16TB£469.19 28 19  16 TB 29.31  £/TB3.5 inches 
Seagate Expansion Desktop Drive 5TB* £119.98 566/1020  5 TB 24.00  £/TB3.5 inches 
WD My Book 8TB£213.09 31 21  8 TB 26.63  £/TB3.5 inches 
WD My Passport Ultra USB 3.0 1TB* £53.94 108/1022  1 TB 54.00  £/TB2.5 inches82
Seagate Game Drive for Xbox 2TB* £83.12 50 23  2 TB 41.50  £/TB2.5 inches1
Seagate Backup Plus Portable V2 USB 3.0 4TB* £116.95 508/1024  4 TB 29.25  £/TB2.5 inches2
Samsung M3 Portable HX-M401TC 4TB£107.57 147/1025  4 TB 27.00  £/TB2.5 inches81
Toshiba Canvio Connect II 3TB* £81.80 54 26  3 TB 27.33  £/TB2.5 inches 
WD My Book for Mac V2 USB 3.0 6TB£19.20  4 27  6 TB 3.17  £/TB3.5 inches 
WD My Passport V2 USB 3.0 4TB£122.97 53 28  4 TB 30.75  £/TB2.5 inches 
Seagate Expansion Desktop Drive V2 USB 3.0 4TB£99.99 98/1029  4 TB 25.00  £/TB3.5 inches 
LaCie Rugged Mini USB 3.0 2TB* £109.50 45 30  2 TB 55.00  £/TB2.5 inches 
Toshiba Canvio Connect II 2TB* £74.99 72 31  2 TB 37.50  £/TB2.5 inches 
Maxtor M3 Portable 1TB£44.51 53 32  1 TB 45.00  £/TB2.5 inches 
Seagate Expansion Desktop Drive V2 USB 3.0 3TB* £84.99 128/1033  3 TB 28.33  £/TB3.5 inches 
Toshiba Canvio Basics 2.5" USB 3.0 1TB£45.95 78 34  1 TB 46.00  £/TB2.5 inches 
Toshiba Canvio Basics 2.5" USB 3.0 3TB£82.98 55 35  3 TB 27.67  £/TB2.5 inches 
Seagate Backup Plus Portable V2 USB 3.0 5TB£145.79 38 36  5 TB 29.20  £/TB2.5 inches 
WD My Passport Wireless Pro 3TB£153.29 21 37  3 TB 51.00  £/TB2.5 inches 
LaCie Hard Drive Porsche Desktop P9233 USB 3.0 8TB£208.86 34 38  8 TB 26.13  £/TB3.5 inches 
Seagate Innov8 USB-C 8TB£299.00 6 39  8 TB 37.38  £/TB3.5 inches1
Toshiba Canvio Basics 2.5" USB 3.0 500GB£29.94 67 40  0.5 TB 60.00  £/TB2.5 inches 
WD My Passport Ultra Metal Edition USB 3.0 1TB* £64.99 196/1041  1 TB 65.00  £/TB2.5 inches 
Freecom ToughDrive USB 3.0 2TB£121.97 41 42  2 TB 61.00  £/TB2.5 inches 
Seagate Backup Plus Desktop Hub USB 3.0 4TB* £106.55 40 43  4 TB 26.75  £/TB3.5 inches 
Samsung D3 Station HX-D301TD 3TB* £85.00 2 44  3 TB 28.33  £/TB3.5 inches61
Toshiba Canvio Alu 2.5" USB 3.0 1TB£42.00 21 45  1 TB 42.00  £/TB2.5 inches 
Verbatim Store 'n' Go SuperSpeed Portable USB 3.0 1TB£46.97 54 46  1 TB 47.00  £/TB2.5 inches 
WD My Passport Wireless Pro 2TB* £178.03 38 47  2 TB 89.00  £/TB2.5 inches 
LaCie Rugged RAID Thunderbolt/USB 3.0 4TB* £256.50 28 48  4 TB 64.25  £/TB2.5 inches1
Seagate Wireless Plus 1TB* £70.80 506/1049  1 TB 71.00  £/TB2.5 inches77
LaCie Hard Drive Porsche P9220 USB 3.0 2TB£90.69 39 50  2 TB 45.50  £/TB2.5 inches 
Promise Pegasus3 SE R4 12TB£197.68 11 51  12 TB 16.50  £/TB3.5 inches 
Seagate Wireless Plus 2TB£134.51 436/1052  2 TB 67.50  £/TB2.5 inches81
Seagate Expansion Portable Drive V2 USB 3.0 2TB£64.98 69/1053  2 TB 32.50  £/TB2.5 inches 
LaCie Rugged Thunderbolt/USB-C 5TB£267.59 16 54  5 TB 53.60  £/TB2.5 inches 
WD My Passport V2 USB 3.0 1TB£56.49 70 55  1 TB 56.00  £/TB2.5 inches 
Seagate Game Drive for Xbox 4TB* £124.87 32 56  4 TB 31.25  £/TB2.5 inches 
Seagate Backup Plus Fast USB 3.0 4TB* £183.59 97/1057  4 TB 46.00  £/TB2.5 inches1
WD My Passport Wireless Pro 4TB£223.01 14 58  4 TB 55.75  £/TB2.5 inches 
WD My Passport V2 USB 3.0 2TB* £79.99 70 59  2 TB 40.00  £/TB2.5 inches 
Seagate Expansion Portable Drive V2 USB 3.0 1TB£44.99 118/1060  1 TB 45.00  £/TB2.5 inches 
WD My Passport Ultra Metal Edition USB 3.0 2TB* £88.80 20 61  2 TB 44.50  £/TB2.5 inches 
WD My Passport Ultra USB 3.0 2TB* £83.95 97/1062  2 TB 42.00  £/TB2.5 inches1
Seagate Expansion Desktop Drive V2 USB 3.0 5TB£129.99 65/1063  5 TB 26.00  £/TB3.5 inches 
WD My Passport for Mac USB V2 3.0 2TB£87.20 37 64  2 TB 43.50  £/TB2.5 inches 
WD My Passport Air USB 3.0 1TB* £49.99 2 65  1 TB 50.00  £/TB2.5 inches 
WD My Book Duo 8TB* £287.54 41 66  8 TB 36.00  £/TB3.5 inches 
Transcend StoreJet 25M3 TS1TSJ25M3 1TB* £55.41 468/1067  1 TB 55.00  £/TB2.5 inches2
WD My Passport Wireless Pro 1TB£142.79 13 68  1 TB 143.00  £/TB2.5 inches 
WD My Book 4TB* £109.99 34 69  4 TB 27.50  £/TB3.5 inches 
Toshiba StorE Canvio 3.5" USB 3.0 5TB£155.39  3 70  5 TB 31.00  £/TB3.5 inches 
Seagate Backup Plus Desktop Hub USB 3.0 6TB£149.97 29 71  6 TB 25.00  £/TB3.5 inches 
WD My Passport for Mac USB V2 3.0 4TB£129.00 32 72  4 TB 32.25  £/TB2.5 inches 
G-Technology G-Drive USB 3.0 6TB£178.80 22 73  6 TB 29.83  £/TB3.5 inches 
LaCie d2 Professional Thunderbolt 2 3TB* £207.50 32 74  3 TB 69.33  £/TB3.5 inches 
Seagate Backup Plus Ultra Slim Portable USB 3.0 1TB* £58.65 43 75  1 TB 59.00  £/TB2.5 inches 
Seagate Expansion Desktop Drive 4TB£102.88 573/1076  4 TB 25.75  £/TB3.5 inches 
Adata DashDrive Durable HD700 USB 3.0 2TB£88.98 21 77  2 TB 44.50  £/TB2.5 inches 
Buffalo DriveStation Velocity HD-LXU3 1TB£54.47 49 78  1 TB 54.00  £/TB3.5 inches 
LaCie Rugged Thunderbolt/USB 3.0 V2 1TB£124.79 26 79  1 TB 125.00  £/TB2.5 inches 
WD My Passport AV-TV USB 3.0 1TB£66.08 37 80  1 TB 66.00  £/TB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 8TB* £237.83 5 81  8 TB 29.75  £/TB3.5 inches1
LaCie 2big Thunderbolt 2 8TB£469.48 31 82  8 TB 58.63  £/TB3.5 inches 
WD Elements Portable USB 3.0 500GB* £40.19 45 83  0.5 TB 80.00  £/TB2.5 inches 
LaCie 2big Thunderbolt 2 16TB£359.34 27 84  16 TB 22.44  £/TB3.5 inches 
Transcend StoreJet 25H3 TS2TSJ25H3P 2TB£86.21 39 85  2 TB 43.00  £/TB2.5 inches 
Seagate Backup Plus Desktop V2 USB 3.0 6TB* £178.46  3 86  6 TB 29.67  £/TB3.5 inches 
Buffalo DriveStation Media HDV-SAU3 2TB£91.70 26 87  2 TB 46.00  £/TB3.5 inches 
LaCie Porsche Design Mobile Drive 1TB£84.11 35 88  1 TB 84.00  £/TB2.5 inches 
WD My Book AV-TV USB 3.0 2TB£94.79 397/1089  2 TB 47.50  £/TB3.5 inches 
LaCie Rugged Mini USB 3.0 1TB* £80.37 437/1090  1 TB 80.00  £/TB2.5 inches 
LaCie Hard Drive Porsche Desktop P9233 USB 3.0 5TB£143.64 18 91  5 TB 28.80  £/TB3.5 inches 
LaCie Porsche Design Mobile Drive 2TB£99.00 37 92  2 TB 49.50  £/TB2.5 inches 
WD My Passport Ultra II USB 3.0 3TB* £118.12 16 93  3 TB 39.33  £/TB2.5 inches 
WD My Passport Wireless 1TB* £133.52 12 94  1 TB 134.00  £/TB2.5 inches62
Toshiba Canvio AeroCast 1TB£83.48  3 95  1 TB 83.00  £/TB2.5 inches1
LaCie FUEL 2TB£170.30 21 96  2 TB 85.00  £/TB2.5 inches72
WD My Book USB 3.0 V2 UK 6TB* £205.87 2 97  6 TB 34.33  £/TB3.5 inches 
LaCie Porsche Design Mobile Drive 4TB£163.25 36 98  4 TB 40.75  £/TB2.5 inches 
Toshiba Canvio for Desktop 3.5" USB 3.0 3TB£79.96 23 99  3 TB 26.67  £/TB3.5 inches 
G-Technology G-Drive Thunderbolt 4TB£192.13 27 100  4 TB 48.00  £/TB3.5 inches 
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