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 101 stores in this category.
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Product Lowest price User rating Rank Hard drive size Price/GB Form factor

Adata DashDrive Durable HD710 USB 3.0 1TB

External hard disk drive

$106.04

41
 8
 1,000  GB 0.11  $/GB2.5 inches 

Transcend StoreJet 25H3 TS500GSJ25H3P 500GB

External hard disk drive

$80.50

39
 103
 500  GB 0.16  $/GB2.5 inches 

Transcend StoreJet 25H3 TS1TSJ25H3P 1TB

External hard disk drive

$102.00

38
8/10
1 user review
36
 1,000  GB 0.10  $/GB2.5 inches 

Transcend StoreJet 25H3 TS2TSJ25H3P 2TB

External hard disk drive

$166.78

34
 41
 2,000  GB 0.08  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 500GB

External hard disk drive

$88.00

33
 57
 500  GB 0.18  $/GB3.5 inches 

Adata DashDrive HV620 1TB

External hard disk drive

$98.00

33
 49
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 2TB

External hard disk drive

$109.00

33
 23
 2,000  GB 0.05  $/GB3.5 inches 

Seagate Backup Plus Slim Portable V2 USB 3.0 2TB

External hard disk drive

$149.00

33
9/10
4 user reviews
2
 2,000  GB 0.07  $/GB2.5 inches 

WD Elements Portable USB 3.0 2TB

External hard disk drive

$165.60

32
8/10
7 user reviews
6
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Backup Plus Slim Portable V2 USB 3.0 1TB

External hard disk drive

$104.99

31
6/10
1 user review
5
 1,000  GB 0.11  $/GB2.5 inches 

WD Elements Portable USB 3.0 1TB

External hard disk drive

$105.00

31
5/10
5 user reviews
10
 1,024  GB 0.10  $/GB2.5 inches 

Seagate Expansion Desktop Drive 3TB

External hard disk drive

$163.35

31
 16
 3,000  GB 0.05  $/GB3.5 inches 

Adata DashDrive HV620 500GB

External hard disk drive

$79.00

30
8/10
1 user review
47
 500  GB 0.16  $/GB2.5 inches 

Seagate Expansion Portable Drive 2TB

External hard disk drive

$129.00

30
6/10
1 user review
1
 2,000  GB 0.06  $/GB2.5 inches 

Adata DashDrive HV620 2TB

External hard disk drive

$158.65

30
 62
 2,000  GB 0.08  $/GB2.5 inches 

Transcend StoreJet 25M3 TS1TSJ25M3 1TB

External hard disk drive

$102.35

28
8/10
1 user review
22
 931  GB 0.11  $/GB2.5 inches 

Seagate Expansion Desktop Drive 4TB

External hard disk drive

$212.91

28
 12
 4,000  GB 0.05  $/GB3.5 inches 

Transcend StoreJet 25M3 TS500GSJ25M3 500GB

External hard disk drive

$84.25

27
 127
 500  GB 0.17  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 2TB

External hard disk drive

$184.09

26
 64
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Expansion Portable Drive 1TB

External hard disk drive

$89.00

25
6/10
1 user review
4
 1,000  GB 0.09  $/GB2.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 1TB

External hard disk drive

$99.00

25
5/10
2 user reviews
71
 1,000  GB 0.10  $/GB2.5 inches 

Verbatim Store 'n' Save Desktop USB 3.0 2TB

External hard disk drive

$162.54

25
 206
 2,000  GB 0.08  $/GB3.5 inches 

Seagate Expansion Desktop Drive 5TB

External hard disk drive

$253.93

25
 11
 5,000  GB 0.05  $/GB3.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 5TB

External hard disk drive

$281.66

24
 28
 5,000  GB 0.06  $/GB3.5 inches 

Seagate Backup Plus Fast Portable USB 3.0 4TB

External hard disk drive

$352.94

24
7/10
2 user reviews
26
 4,000  GB 0.09  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 2TB

External hard disk drive

$176.00

23
7/10
1 user review
9
 2,000  GB 0.09  $/GB2.5 inches 

Transcend StoreJet 100 TS2TSJM100 2TB

External hard disk drive

$178.81

23
 177
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 8TB

External hard disk drive

$494.62

23
 20
 8,000  GB 0.06  $/GB3.5 inches 

WD My Book Duo 8TB

External hard disk drive

$733.70

23
 65
 8,000  GB 0.09  $/GB3.5 inches 

WD My Passport Ultra II USB 3.0 3TB

External hard disk drive

$301.87

22
 17
 3,000  GB 0.10  $/GB2.5 inches 

Seagate Wireless Mobile Storage 500GB

External hard disk drive

$135.36

21
 24
 500  GB 0.27  $/GB2.5 inches 

Seagate Wireless Plus 2TB

External hard disk drive

$310.75

21
8/10
1 user review
35
 2,000  GB 0.16  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 6TB

External hard disk drive

$429.97

21
 155
 6,000  GB 0.07  $/GB3.5 inches 

WD My Passport Wireless 2TB

External hard disk drive

$436.99

21
6/10
1 user review
60
 2,000  GB 0.22  $/GB2.5 inches 

WD My Book Duo 4TB

External hard disk drive

$449.99

21
 59
 4,000  GB 0.11  $/GB3.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 1TB

External hard disk drive

* $107.13

20
 18
 1,000  GB 0.11  $/GB2.5 inches 

Transcend StoreJet 25M3 TS2TSJ25M3 2TB

External hard disk drive

$175.41

20
 96
 2,000  GB 0.09  $/GB2.5 inches 

WD My Book USB 3.0 V2 2TB

External hard disk drive

$182.80

20
 74
 2,000  GB 0.09  $/GB3.5 inches 

WD Elements Desktop 3.0 5TB

External hard disk drive

$254.99

20
7/10
1 user review
45
 5,000  GB 0.05  $/GB3.5 inches 

WD My Passport Pro Thunderbolt 2TB

External hard disk drive

$550.00

20
 66
 2,000  GB 0.28  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 1TB

External hard disk drive

$119.99

19
 34
 1,000  GB 0.12  $/GB2.5 inches 

WD My Passport X for Xbox One USB 3.0 2TB

External hard disk drive

$198.64

19
7/10
1 user review
157
 2,000  GB 0.10  $/GB2.5 inches 

Seagate Wireless Plus 1TB

External hard disk drive

$225.15

19
8/10
3 user reviews
15
 1,000  GB 0.23  $/GB2.5 inches 

Corsair Voyager Air 2 Plus 1TB

External hard disk drive

$239.67

19
 121
 1,000  GB 0.24  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 4TB

External hard disk drive

* $245.95

19
4/10
1 user review
51
 4,000  GB 0.06  $/GB3.5 inches 

WD My Passport Pro Thunderbolt 4TB

External hard disk drive

$746.35

19
7/10
1 user review
89
 4,000  GB 0.19  $/GB2.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 2TB

External hard disk drive

$198.29

18
 153
 2,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 3TB

External hard disk drive

* $198.81

18
 164
 3,000  GB 0.07  $/GB3.5 inches 

WD My Book USB 3.0 V2 4TB

External hard disk drive

$284.98

18
3/10
1 user review
29
 4,000  GB 0.07  $/GB3.5 inches 

WD My Book Studio USB 3.0 V2 3TB

External hard disk drive

$295.40

18
 110
 3,000  GB 0.10  $/GB3.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 1TB

External hard disk drive

$145.84

17
 100
 1,000  GB 0.15  $/GB2.5 inches 

WD My Book USB 3.0 V2 3TB

External hard disk drive

$227.69

17
8/10
1 user review
61
 3,000  GB 0.08  $/GB3.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 4TB

External hard disk drive

$277.45

17
 76
 4,000  GB 0.07  $/GB3.5 inches 

Transcend StoreJet 300 TS2TSJM300 2TB

External hard disk drive

$299.00

17
  109
 2,000  GB 0.15  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 5TB

External hard disk drive

$319.53

17
 80
 5,000  GB 0.06  $/GB3.5 inches 

WD My Passport Wireless 1TB

External hard disk drive

$343.83

17
 53
 1,000  GB 0.34  $/GB2.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 2TB

External hard disk drive

$428.61

17
 37
 2,000  GB 0.21  $/GB2.5 inches 

WD My Book Duo 6TB

External hard disk drive

$518.15

17
 83
 6,000  GB 0.09  $/GB3.5 inches 

Verbatim 2.5" Mobile Hard Drive USB 2.0 500GB

External hard disk drive

$91.09

16
 88
 500  GB 0.18  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 500GB

External hard disk drive

$97.68

16
 147
 500  GB 0.20  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 Slim USB 3.0 500GB

External hard disk drive

$106.00

16
 148
 500  GB 0.21  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 1TB

External hard disk drive

$122.61

16
8/10
2 user reviews
93
 1,000  GB 0.12  $/GB2.5 inches 

LaCie Rugged Mini USB 3.0 1TB

External hard disk drive

$163.15

16
 68
 1,000  GB 0.16  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 USB 3.0 2TB

External hard disk drive

$195.35

16
 149
 2,000  GB 0.10  $/GB2.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 1TB

External hard disk drive

$302.52

16
 40
 1,000  GB 0.30  $/GB2.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 3TB

External hard disk drive

$347.99

16
 75
 3,000  GB 0.12  $/GB2.5 inches 

WD My Book USB 3.0 V2 6TB

External hard disk drive

$458.85

16
7/10
1 user review
77
 6,000  GB 0.08  $/GB3.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 500GB

External hard disk drive

$98.15

15
7/10
4 user reviews
210
 500  GB 0.20  $/GB2.5 inches 

WD My Passport for Mac USB 3.0 V2 500GB

External hard disk drive

$106.19

15
 124
 500  GB 0.21  $/GB2.5 inches 

LaCie Rugged Mini USB 3.0 7200rpm 500GB

External hard disk drive

$129.89

15
 95
 500  GB 0.26  $/GB2.5 inches 

LaCie Rugged Mini USB 3.0 2TB

External hard disk drive

$228.61

15
 58
 2,000  GB 0.11  $/GB2.5 inches 

Lenovo ThinkPad USB 3.0 Secure Hard Drive 1TB

External hard disk drive

$231.78

15
 180
 1,000  GB 0.23  $/GB2.5 inches 

LaCie FUEL 1TB

External hard disk drive

$293.04

15
 81
 1,000  GB 0.29  $/GB2.5 inches 

Seagate Backup Plus Portable V2 USB 3.0 4TB

External hard disk drive

$298.68

15
 13
 4,000  GB 0.07  $/GB2.5 inches 

LaCie FUEL 2TB

External hard disk drive

$357.57

15
 70
 2,000  GB 0.18  $/GB2.5 inches 

Transcend StoreJet 25D3 TS1TSJ25D3 1TB

External hard disk drive

$105.00

14
3/10
1 user review
19
 1,000  GB 0.11  $/GB2.5 inches 

Seagate Game Drive for Xbox 2TB

External hard disk drive

$177.84

14
 25
 2,000  GB 0.09  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 2TB

External hard disk drive

$179.77

14
 73
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 1TB

External hard disk drive

$89.00

13
8/10
2 user reviews
3
 1,000  GB 0.09  $/GB2.5 inches 

Transcend StoreJet 25A3 TS1TSJ25A3 1TB

External hard disk drive

$98.38

13
 143
 1,000  GB 0.10  $/GB2.5 inches 

Verbatim 2.5" Mobile Hard Drive USB 2.0 1TB

External hard disk drive

$120.82

13
 152
 1,000  GB 0.12  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 USB 3.0 1TB

External hard disk drive

$138.22

13
 85
 1,000  GB 0.14  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 2TB

External hard disk drive

$167.04

13
 55
 2,000  GB 0.08  $/GB2.5 inches 

Toshiba Canvio Connect 2TB

External hard disk drive

$169.00

13
 32
 2,000  GB 0.08  $/GB2.5 inches 

Verbatim Store 'n' Save Desktop USB 3.0 3TB

External hard disk drive

$193.59

13
7/10
5 user reviews
184
 3,000  GB 0.06  $/GB3.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 3TB

External hard disk drive

$211.99

13
 56
 3,000  GB 0.07  $/GB3.5 inches 

WD My Book for Mac V2 USB 3.0 3TB

External hard disk drive

$239.49

13
 208
 3,000  GB 0.08  $/GB3.5 inches 

Lenovo ThinkPad USB 3.0 Secure Hard Drive 750GB

External hard disk drive

$314.26

13
 181
 750  GB 0.42  $/GB2.5 inches 

WD My Book Duo 12TB

External hard disk drive

$1,049.00

13
 106
 12,000  GB 0.09  $/GB3.5 inches 

Transcend StoreJet A3 TS500GSJ25A3K 500GB

External hard disk drive

$88.41

12
  191
 500  GB 0.18  $/GB2.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 2TB

External hard disk drive

$203.55

12
 167
 2,000  GB 0.10  $/GB2.5 inches 

Verbatim Store 'n' Save Desktop USB 3.0 4TB

External hard disk drive

$273.12

12
5/10
1 user review
154
 4,000  GB 0.07  $/GB3.5 inches 

LaCie d2 Proffessional 5TB

External hard disk drive

$407.34

12
 151
 5,000  GB 0.08  $/GB3.5 inches 

LaCie Rugged RAID Thunderbolt/USB 3.0 4TB

External hard disk drive

$635.94

12
 63
 4,000  GB 0.16  $/GB2.5 inches 

LaCie 2big Thunderbolt 2 8TB

External hard disk drive

$1,126.10

12
 82
 8,000  GB 0.14  $/GB3.5 inches 

LaCie 5big Thunderbolt 2 20TB

External hard disk drive

$3,181.26

12
 90
 20,000  GB 0.16  $/GB3.5 inches 

Silicon Power Armor A60 1TB

External hard disk drive

$99.00

11
 42
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Slim for Mac USB 3.0 1TB

External hard disk drive

$112.70

11
 50
 1,000  GB 0.11  $/GB2.5 inches 

LaCie Rugged USB 3.0/FW800 7200rpm 500GB

External hard disk drive

$176.00

11
 190
 500  GB 0.35  $/GB2.5 inches 

WD My Book for Mac V2 USB 3.0 2TB

External hard disk drive

$199.95

11
 183
 2,000  GB 0.10  $/GB3.5 inches 
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