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 95 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

External Hard Disk Drive

$135.00

30
6/10
1 user review
1
 2,000  GB 0.07  $/GB2.5 inches 

Seagate Backup Plus Slim Portable V2 USB 3.0 2TB

External Hard Disk Drive

$149.01

30
9/10
4 user reviews
2
 2,000  GB 0.07  $/GB2.5 inches 

Seagate Backup Plus Portable V2 USB 3.0 4TB

External Hard Disk Drive

$228.85

14
 3
 4,000  GB 0.06  $/GB2.5 inches 

Seagate Expansion Portable Drive 1TB

External Hard Disk Drive

$86.00

27
6/10
1 user review
4
 1,000  GB 0.09  $/GB2.5 inches 

WD Elements Portable USB 3.0 1TB

External Hard Disk Drive

$88.00

30
5/10
5 user reviews
5
 1,024  GB 0.09  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 2TB

External Hard Disk Drive

$168.00

26
8/10
3 user reviews
6
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Desktop Drive 4TB

External Hard Disk Drive

$215.15

23
 7
 4,000  GB 0.05  $/GB3.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 8TB

External Hard Disk Drive

$435.84

22
 8
 8,000  GB 0.05  $/GB3.5 inches 

WD Elements Portable USB 3.0 2TB

External Hard Disk Drive

$155.25

31
8/10
9 user reviews
9
 2,000  GB 0.08  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 1TB

External Hard Disk Drive

* $103.06

16
 10
 1,000  GB 0.10  $/GB2.5 inches 

Transcend StoreJet 25D3 TS1TSJ25D3 1TB

External Hard Disk Drive

$104.05

14
3/10
1 user review
11
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Slim Portable V2 USB 3.0 1TB

External Hard Disk Drive

$106.46

26
6/10
1 user review
13
 1,000  GB 0.11  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 5TB

External Hard Disk Drive

$271.65

24
 14
 5,000  GB 0.05  $/GB3.5 inches 

Seagate Wireless Plus 1TB

External Hard Disk Drive

$219.76

23
6/10
4 user reviews
15
 1,000  GB 0.22  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 500GB

External Hard Disk Drive

$69.93

4
 16
 500  GB 0.14  $/GB2.5 inches 

Seagate Expansion Desktop Drive 5TB

External Hard Disk Drive

$261.41

23
6/10
2 user reviews
17
 5,000  GB 0.05  $/GB3.5 inches 

WD My Passport Wireless 1TB

External Hard Disk Drive

$314.99

16
 18
 1,000  GB 0.32  $/GB2.5 inches 

LaCie Rugged USB 3.0/FW800 1TB

External Hard Disk Drive

$227.15

15
 19
 1,000  GB 0.23  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 1TB

External Hard Disk Drive

$89.00

9
8/10
2 user reviews
20
 1,000  GB 0.09  $/GB2.5 inches 

Seagate Wireless Mobile Storage 500GB

External Hard Disk Drive

$118.40

18
 21
 500  GB 0.24  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 3TB

External Hard Disk Drive

$249.00

22
 22
 3,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 3TB

External Hard Disk Drive

$188.99

8
8/10
10 user reviews
23
 3,000  GB 0.06  $/GB3.5 inches 

Adata DashDrive Durable HD710 USB 3.0 1TB

External Hard Disk Drive

$105.60

39
 24
 1,000  GB 0.11  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 4TB

External Hard Disk Drive

* $239.69

19
4/10
1 user review
25
 4,000  GB 0.06  $/GB3.5 inches 

Seagate Expansion Desktop Drive 3TB

External Hard Disk Drive

$165.06

26
 26
 3,000  GB 0.06  $/GB3.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 2TB

External Hard Disk Drive

$148.00

18
 27
 2,000  GB 0.07  $/GB2.5 inches 

WD My Book USB 3.0 V2 4TB

External Hard Disk Drive

$284.98

21
5/10
2 user reviews
28
 4,000  GB 0.07  $/GB3.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 2TB

External Hard Disk Drive

$428.61

16
 29
 2,000  GB 0.21  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 2TB

External Hard Disk Drive

$185.10

25
 30
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Backup Plus Fast Portable USB 3.0 4TB

External Hard Disk Drive

$316.25

17
7/10
2 user reviews
31
 4,000  GB 0.08  $/GB2.5 inches 

WD Elements Desktop 3.0 5TB

External Hard Disk Drive

$322.00

21
8/10
3 user reviews
32
 5,000  GB 0.06  $/GB3.5 inches 

LaCie Rugged Mini USB 3.0 1TB

External Hard Disk Drive

$163.15

18
7/10
1 user review
33
 1,000  GB 0.16  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 1TB

External Hard Disk Drive

$122.61

14
8/10
2 user reviews
34
 1,000  GB 0.12  $/GB2.5 inches 

LaCie Rugged USB 3.0/FW800 2TB

External Hard Disk Drive

$316.93

13
 35
 2,000  GB 0.16  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 2TB

External Hard Disk Drive

$129.00

30
 36
 2,000  GB 0.06  $/GB3.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 4TB

External Hard Disk Drive

$277.45

18
 37
 4,000  GB 0.07  $/GB3.5 inches 

Transcend StoreJet 25M3 TS1TSJ25M3 1TB

External Hard Disk Drive

$104.57

27
8/10
2 user reviews
38
 931  GB 0.11  $/GB2.5 inches 

WD My Passport Wireless 2TB

External Hard Disk Drive

$413.99

19
6/10
1 user review
39
 2,000  GB 0.21  $/GB2.5 inches 

Adata DashDrive HV620 1TB

External Hard Disk Drive

$91.00

32
 40
 1,000  GB 0.09  $/GB2.5 inches 

LaCie Rugged Mini USB 3.0 2TB

External Hard Disk Drive

$228.61

18
 41
 2,000  GB 0.11  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 1TB

External Hard Disk Drive

$99.00

23
 42
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Expansion Portable Drive 3TB

External Hard Disk Drive

$236.36

14
 43
 3,000  GB 0.08  $/GB2.5 inches 

WD My Passport Ultra USB 3.0 1TB

External Hard Disk Drive

$109.00

7
8/10
9 user reviews
44
 1,000  GB 0.11  $/GB2.5 inches 

Transcend StoreJet 25M3 TS500GSJ25M3 500GB

External Hard Disk Drive

$85.88

20
 45
 500  GB 0.17  $/GB2.5 inches 

Adata DashDrive HV620 500GB

External Hard Disk Drive

$79.00

27
8/10
1 user review
46
 500  GB 0.16  $/GB2.5 inches 

Toshiba Canvio Connect II 1TB

External Hard Disk Drive

$105.36

11
 47
 1,000  GB 0.11  $/GB2.5 inches 

Seagate Backup Plus Slim for Mac USB 3.0 1TB

External Hard Disk Drive

$112.70

7
 48
 1,000  GB 0.11  $/GB2.5 inches 

Toshiba Canvio Connect II 2TB

External Hard Disk Drive

$158.25

9
 49
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Game Drive for Xbox 2TB

External Hard Disk Drive

$178.91

14
 50
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Expansion Portable Drive USB 3.0 500GB

External Hard Disk Drive

$89.00

3
 51
 500  GB 0.18  $/GB2.5 inches 

WD My Book Duo 12TB

External Hard Disk Drive

$1,049.00

14
 52
 12,000  GB 0.09  $/GB3.5 inches 

WD My Passport Pro Thunderbolt 2TB

External Hard Disk Drive

$550.00

20
 53
 2,000  GB 0.28  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 2TB

External Hard Disk Drive

$160.65

6
9/10
3 user reviews
54
 2,000  GB 0.08  $/GB2.5 inches 

Adata DashDrive HV620 2TB

External Hard Disk Drive

$157.55

26
 55
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Wireless Plus 2TB

External Hard Disk Drive

$314.40

22
6/10
2 user reviews
56
 2,000  GB 0.16  $/GB2.5 inches 

HGST Touro Mobile MX3 1TB

External Hard Disk Drive

$98.67

3
 6/10
1 user review
57
 1,000  GB 0.10  $/GB2.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 1TB

External Hard Disk Drive

$302.52

18
 58
 1,000  GB 0.30  $/GB2.5 inches 

WD My Book Duo 6TB

External Hard Disk Drive

$658.00

19
 59
 6,000  GB 0.11  $/GB3.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 4TB

External Hard Disk Drive

$257.20

12
 60
 4,000  GB 0.06  $/GB3.5 inches 

Seagate Seven 500GB

External Hard Disk Drive

$199.95

2
7/10
1 user review
61
 500  GB 0.40  $/GB2.5 inches 

WD My Passport X for Xbox One USB 3.0 2TB

External Hard Disk Drive

$195.50

22
7/10
1 user review
62
 2,000  GB 0.10  $/GB2.5 inches 

HGST Touro Mobile Pro 500GB

External Hard Disk Drive

$79.35

4
  63
 500  GB 0.16  $/GB2.5 inches 

WD My Book USB 3.0 V2 6TB

External Hard Disk Drive

$455.91

21
5/10
2 user reviews
64
 6,000  GB 0.08  $/GB3.5 inches 

Promise Pegasus2 R4 HE151ZM/A

External Hard Disk Drive

$1,232.00

6
 65
 

Transcend StoreJet 25H3 TS3TSJ25H3P 3TB

External Hard Disk Drive

$305.85

10
 66
 3,000  GB 0.10  $/GB2.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 5TB

External Hard Disk Drive

$293.04

9
4/10
1 user review
67
 5,000  GB 0.06  $/GB3.5 inches 

LaCie Rugged RAID Thunderbolt/USB 3.0 4TB

External Hard Disk Drive

$635.94

11
 68
 4,000  GB 0.16  $/GB2.5 inches 

WD My Book for Mac V2 USB 3.0 2TB

External Hard Disk Drive

$199.90

12
 69
 2,000  GB 0.10  $/GB3.5 inches 

Transcend StoreJet 25H3 TS1TSJ25H3P 1TB

External Hard Disk Drive

$107.90

32
8/10
1 user review
70
 1,000  GB 0.11  $/GB2.5 inches 

WD My Book Duo 8TB

External Hard Disk Drive

$733.70

16
 71
 8,000  GB 0.09  $/GB3.5 inches 

Toshiba Canvio Connect 1TB

External Hard Disk Drive

$106.28

8
  72
 1,000  GB 0.11  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 3TB

External Hard Disk Drive

$211.99

17
 73
 3,000  GB 0.07  $/GB3.5 inches 

Promise Pegasus2 R8 32TB

External Hard Disk Drive

$6,929.00

8
 74
 32,000  GB 0.22  $/GB3.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 8TB

External Hard Disk Drive

* $580.12

10
 75
 8,000  GB 0.07  $/GB3.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 2TB

External Hard Disk Drive

$197.99

18
 76
 2,000  GB 0.10  $/GB2.5 inches 

Seagate Game Drive for Xbox 4TB

External Hard Disk Drive

$306.23

12
 77
 4,000  GB 0.08  $/GB2.5 inches 

LaCie d2 Professional Thunderbolt 2 4TB

External Hard Disk Drive

$595.14

6
  78
 4,000  GB 0.15  $/GB3.5 inches 

Transcend StoreJet 25M3 TS2TSJ25M3 2TB

External Hard Disk Drive

$170.48

18
 79
 2,000  GB 0.09  $/GB2.5 inches 

Transcend StoreJet 25H3 TS2TSJ25H3P 2TB

External Hard Disk Drive

$169.35

29
 80
 2,000  GB 0.08  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 5TB

External Hard Disk Drive

$319.53

14
 81
 5,000  GB 0.06  $/GB3.5 inches 

HGST Touro Mobile MX3 500GB

External Hard Disk Drive

$79.35

3
 82
 500  GB 0.16  $/GB2.5 inches 

WD My Passport Ultra Metal Edition USB 3.0 1TB

External Hard Disk Drive

$119.00

4
6/10
2 user reviews
83
 1,000  GB 0.12  $/GB2.5 inches 

Toshiba Canvio Connect 750GB

External Hard Disk Drive

$89.99

2
 84
 750  GB 0.12  $/GB2.5 inches 

LaCie d2 Professional Thunderbolt 2 3TB

External Hard Disk Drive

$478.81

11
 85
 3,000  GB 0.16  $/GB3.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 3TB

External Hard Disk Drive

$179.27

6
  86
 3,000  GB 0.06  $/GB3.5 inches 

WD My Book USB 3.0 V2 3TB

External Hard Disk Drive

$227.69

21
8/10
1 user review
87
 3,000  GB 0.08  $/GB3.5 inches 

Toshiba Canvio Slim II USB 3.0 1TB

External Hard Disk Drive

$125.09

1
  88
 1,000  GB 0.13  $/GB2.5 inches 

Toshiba Canvio Connect 2TB

External Hard Disk Drive

$159.00

13
 89
 2,000  GB 0.08  $/GB2.5 inches 

G-Technology G-Drive Mobile USB 3.0 1TB

External Hard Disk Drive

$139.95

1
  90
 1,000  GB 0.14  $/GB2.5 inches 

WD Elements Portable SE 3.0 500GB

External Hard Disk Drive

$89.00

3
 91
 500  GB 0.18  $/GB2.5 inches 

WD My Passport Pro Thunderbolt 4TB

External Hard Disk Drive

$746.35

19
7/10
1 user review
92
 4,000  GB 0.19  $/GB2.5 inches 

Promise Pegasus2 R4 8TB

External Hard Disk Drive

$2,449.00

5
 93
 8,000  GB 0.31  $/GB3.5 inches 

Transcend StoreJet 300 TS2TSJM300 2TB

External Hard Disk Drive

$308.55

18
 94
 2,000  GB 0.15  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 USB 3.0 2TB

External Hard Disk Drive

$204.88

15
 95
 2,000  GB 0.10  $/GB2.5 inches 

LaCie 5big Thunderbolt 2 20TB

External Hard Disk Drive

$3,181.26

13
 96
 20,000  GB 0.16  $/GB3.5 inches 

LaCie 5big Thunderbolt 2 10TB

External Hard Disk Drive

$2,118.52

10
 97
 10,000  GB 0.21  $/GB3.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 1TB

External Hard Disk Drive

$99.00

19
 98
 1,000  GB 0.10  $/GB2.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 1TB

External Hard Disk Drive

$114.31

26
5/10
2 user reviews
99
 1,000  GB 0.11  $/GB2.5 inches 

WD My Book Duo 4TB

External Hard Disk Drive

$520.00

18
 100
 4,000  GB 0.13  $/GB3.5 inches 

Seagate Backup Plus Slim for Mac USB 3.0 2TB

External Hard Disk Drive

$173.65

8
 101
 2,000  GB 0.09  $/GB2.5 inches 
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