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 99 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

$137.95

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

$155.00

32
9/10
4 user reviews
2
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 1TB

External hard disk drive

$89.00

12
8/10
2 user reviews
3
 1,000  GB 0.09  $/GB2.5 inches 

Seagate Expansion Portable Drive 1TB

External hard disk drive

$89.70

26
6/10
1 user review
4
 1,000  GB 0.09  $/GB2.5 inches 

Seagate Backup Plus Slim Portable V2 USB 3.0 1TB

External hard disk drive

$99.00

30
6/10
1 user review
5
 1,000  GB 0.10  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 1TB

External hard disk drive

$106.04

40
 6
 1,000  GB 0.11  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 2TB

External hard disk drive

$159.99

23
7/10
1 user review
7
 2,000  GB 0.08  $/GB2.5 inches 

WD My Passport Ultra USB 3.0 1TB

External hard disk drive

$99.00

10
8/10
7 user reviews
8
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Portable V2 USB 3.0 4TB

External hard disk drive

$298.68

16
 9
 4,000  GB 0.07  $/GB2.5 inches 

WD Elements Portable USB 3.0 1TB

External hard disk drive

$98.00

30
5/10
5 user reviews
10
 1,024  GB 0.10  $/GB2.5 inches 

WD Elements Portable USB 3.0 2TB

External hard disk drive

$149.00

32
8/10
7 user reviews
11
 2,000  GB 0.07  $/GB2.5 inches 

Seagate Expansion Desktop Drive 4TB

External hard disk drive

$212.91

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

Seagate Expansion Desktop Drive 5TB

External hard disk drive

$253.93

25
 13
 5,000  GB 0.05  $/GB3.5 inches 

Seagate Wireless Plus 1TB

External hard disk drive

$225.15

20
8/10
3 user reviews
14
 1,000  GB 0.23  $/GB2.5 inches 

Seagate Expansion Desktop Drive 3TB

External hard disk drive

$163.35

31
 15
 3,000  GB 0.05  $/GB3.5 inches 

WD My Passport Ultra II USB 3.0 3TB

External hard disk drive

$298.00

21
 16
 3,000  GB 0.10  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 1TB

External hard disk drive

$98.00

20
 17
 1,000  GB 0.10  $/GB2.5 inches 

HGST Touro Mobile USB 3.0 500GB

External hard disk drive

$65.50

10
 18
 500  GB 0.13  $/GB2.5 inches 

Seagate Wireless Mobile Storage 500GB

External hard disk drive

$113.85

22
 19
 500  GB 0.23  $/GB2.5 inches 

Toshiba Canvio Basic Portable USB 3.0 2TB

External hard disk drive

$293.95

6
  20
 2,000  GB 0.15  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 8TB

External hard disk drive

$494.62

23
 21
 8,000  GB 0.06  $/GB3.5 inches 

Transcend StoreJet 25D3 TS1TSJ25D3 1TB

External hard disk drive

$105.00

14
3/10
1 user review
22
 1,000  GB 0.11  $/GB2.5 inches 

Seagate Game Drive for Xbox 2TB

External hard disk drive

$177.84

15
 23
 2,000  GB 0.09  $/GB2.5 inches 

WD My Passport Ultra USB 3.0 2TB

External hard disk drive

$169.00

8
7/10
4 user reviews
24
 2,000  GB 0.08  $/GB2.5 inches 

Transcend StoreJet 25M3 TS1TSJ25M3 1TB

External hard disk drive

$100.42

29
8/10
1 user review
25
 931  GB 0.11  $/GB2.5 inches 

WD My Passport Ultra Metal Edition USB 3.0 2TB

External hard disk drive

$186.15

6
 26
 2,000  GB 0.09  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 5TB

External hard disk drive

$281.66

25
 27
 5,000  GB 0.06  $/GB3.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 2TB

External hard disk drive

$428.61

17
 28
 2,000  GB 0.21  $/GB2.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 4TB

External hard disk drive

$245.24

11
 29
 4,000  GB 0.06  $/GB3.5 inches 

Seagate Wireless Plus 2TB

External hard disk drive

$322.06

21
8/10
1 user review
30
 2,000  GB 0.16  $/GB2.5 inches 

LaCie Rugged USB 3.0/FW800 1TB

External hard disk drive

$227.15

10
  31
 1,000  GB 0.23  $/GB2.5 inches 

WD My Book USB 3.0 V2 4TB

External hard disk drive

$284.98

21
3/10
1 user review
32
 4,000  GB 0.07  $/GB3.5 inches 

LaCie Rugged Thunderbolt/USB 3.0 V2 1TB

External hard disk drive

$302.52

16
 33
 1,000  GB 0.30  $/GB2.5 inches 

Seagate Backup Plus Fast Portable USB 3.0 4TB

External hard disk drive

$352.94

23
7/10
2 user reviews
34
 4,000  GB 0.09  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 2TB

External hard disk drive

$129.00

33
 35
 2,000  GB 0.06  $/GB3.5 inches 

Transcend StoreJet 25H3 TS1TSJ25H3P 1TB

External hard disk drive

$102.35

37
8/10
1 user review
36
 1,000  GB 0.10  $/GB2.5 inches 

WD Elements Desktop 3.0 5TB

External hard disk drive

$254.99

19
7/10
1 user review
37
 5,000  GB 0.05  $/GB3.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 3TB

External hard disk drive

$177.10

9
8/10
10 user reviews
38
 3,000  GB 0.06  $/GB3.5 inches 

Transcend StoreJet 25H3 TS2TSJ25H3P 2TB

External hard disk drive

$166.78

33
 39
 2,000  GB 0.08  $/GB2.5 inches 

WD My Passport Ultra II USB 3.0 1TB

External hard disk drive

$109.00

18
 40
 1,000  GB 0.11  $/GB2.5 inches 

Adata DashDrive HV620 500GB

External hard disk drive

$79.00

29
8/10
1 user review
41
 500  GB 0.16  $/GB2.5 inches 

Seagate Backup Plus Slim for Mac USB 3.0 1TB

External hard disk drive

$112.70

11
 42
 1,000  GB 0.11  $/GB2.5 inches 

WD My Passport Wireless 1TB

External hard disk drive

$297.49

19
 43
 1,000  GB 0.30  $/GB2.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 5TB

External hard disk drive

$293.04

9
4/10
1 user review
44
 5,000  GB 0.06  $/GB3.5 inches 

Toshiba Canvio Connect 2TB

External hard disk drive

$169.00

13
 45
 2,000  GB 0.08  $/GB2.5 inches 

HGST Touro Mobile USB 3.0 1TB

External hard disk drive

* $129.00

1
  46
 1,000  GB 0.13  $/GB2.5 inches 

Adata DashDrive HV620 1TB

External hard disk drive

$97.70

32
 47
 1,000  GB 0.10  $/GB2.5 inches 

WD My Passport Wireless 2TB

External hard disk drive

$390.99

20
6/10
1 user review
48
 2,000  GB 0.20  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 3TB

External hard disk drive

$211.99

16
 49
 3,000  GB 0.07  $/GB3.5 inches 

Adata DashDrive HV620 2TB

External hard disk drive

$158.65

29
 50
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 2TB

External hard disk drive

$159.00

8
9/10
4 user reviews
51
 2,000  GB 0.08  $/GB2.5 inches 

WD My Book Duo 4TB

External hard disk drive

$469.00

19
 52
 4,000  GB 0.12  $/GB3.5 inches 

WD My Passport Ultra Metal Edition USB 3.0 1TB

External hard disk drive

* $119.00

8
 53
 1,000  GB 0.12  $/GB2.5 inches 

Silicon Power Armor A60 1TB

External hard disk drive

$99.00

11
 54
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 4TB

External hard disk drive

* $245.95

19
4/10
1 user review
55
 4,000  GB 0.06  $/GB3.5 inches 

Adata DashDrive Durable HD710 USB 3.0 500GB

External hard disk drive

$88.00

31
 56
 500  GB 0.18  $/GB3.5 inches 

Adata DashDrive Durable HD710 USB 3.0 2TB

External hard disk drive

$183.95

25
 57
 2,000  GB 0.09  $/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 

Seagate Expansion Desktop Drive V2 USB 3.0 4TB

External hard disk drive

* $255.00

4
 8/10
2 user reviews
59
 4,000  GB 0.06  $/GB3.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 2TB

External hard disk drive

$167.04

13
 60
 2,000  GB 0.08  $/GB2.5 inches 

WD My Passport Pro Thunderbolt 2TB

External hard disk drive

$550.00

19
 61
 2,000  GB 0.28  $/GB2.5 inches 

WD My Book Duo 8TB

External hard disk drive

$733.70

22
 62
 8,000  GB 0.09  $/GB3.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 1TB

External hard disk drive

$84.15

25
5/10
2 user reviews
63
 1,000  GB 0.08  $/GB2.5 inches 

WD My Book USB 3.0 V2 6TB

External hard disk drive

$458.80

17
7/10
1 user review
64
 6,000  GB 0.08  $/GB3.5 inches 

Seagate Backup Plus Slim for Mac USB 3.0 2TB

External hard disk drive

$171.35

9
 65
 2,000  GB 0.09  $/GB2.5 inches 

LaCie Rugged Mini USB 3.0 1TB

External hard disk drive

$163.15

16
 66
 1,000  GB 0.16  $/GB2.5 inches 

WD My Passport for Mac USB 3.0 V2 500GB

External hard disk drive

$106.19

15
 67
 500  GB 0.21  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 USB 3.0 1TB

External hard disk drive

$138.22

13
 68
 1,000  GB 0.14  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 4TB

External hard disk drive

$277.45

17
 69
 4,000  GB 0.07  $/GB3.5 inches 

WD My Book USB 3.0 V2 3TB

External hard disk drive

$227.69

20
8/10
1 user review
70
 3,000  GB 0.08  $/GB3.5 inches 

WD My Book USB 3.0 V2 2TB

External hard disk drive

$182.80

20
 71
 2,000  GB 0.09  $/GB3.5 inches 

WD My Passport Ultra Premium for Mac USB 3.0 3TB

External hard disk drive

$347.99

15
 72
 3,000  GB 0.12  $/GB2.5 inches 

Silicon Power Armor A60 2TB

External hard disk drive

$179.00

10
 73
 2,000  GB 0.09  $/GB2.5 inches 

WD My Passport Pro Thunderbolt 4TB

External hard disk drive

$746.35

18
7/10
1 user review
74
 4,000  GB 0.19  $/GB2.5 inches 

Adata DashDrive HV620 3TB

External hard disk drive

$284.05

11
 75
 3,000  GB 0.09  $/GB2.5 inches 

LaCie FUEL 2TB

External hard disk drive

$357.57

15
 76
 2,000  GB 0.18  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 500GB

External hard disk drive

$107.95

9
  77
 500  GB 0.22  $/GB2.5 inches 

Promise Pegasus2 R4 8TB

External hard disk drive

$2,635.66

4
 78
 8,000  GB 0.33  $/GB 

WD My Book Duo 6TB

External hard disk drive

$518.15

16
 79
 6,000  GB 0.09  $/GB3.5 inches 

LaCie 8big Rack Thunderbolt 2 24TB

External hard disk drive

$4,125.90

9
 80
 24,000  GB 0.17  $/GB3.5 inches 

WD Elements Portable SE 3.0 1TB

External hard disk drive

$108.95

7
6/10
11 user reviews
81
 1,000  GB 0.11  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 2TB

External hard disk drive

$179.77

14
 82
 2,000  GB 0.09  $/GB2.5 inches 

LaCie d2 Professional 3TB

External hard disk drive

* $273.60

10
 83
 3,000  GB 0.09  $/GB3.5 inches 

LaCie 5big Thunderbolt 2 20TB

External hard disk drive

$3,181.26

12
 84
 20,000  GB 0.16  $/GB3.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 1TB

External hard disk drive

$122.61

16
8/10
2 user reviews
85
 1,000  GB 0.12  $/GB2.5 inches 

LaCie Rugged RAID Thunderbolt/USB 3.0 4TB

External hard disk drive

$635.94

12
 87
 4,000  GB 0.16  $/GB2.5 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 

Promise Pegasus2 Thunderbolt R2+ 6TB

External hard disk drive

$1,442.00

1
 89
 6,000  GB 0.24  $/GB 

Toshiba Canvio Connect II 1TB

External hard disk drive

$109.00

9
 90
 1,000  GB 0.11  $/GB2.5 inches 

WD Elements Portable SE 3.0 500GB

External hard disk drive

$90.85

2
 91
 500  GB 0.18  $/GB2.5 inches 

HGST Touro Mobile MX3 1TB

External hard disk drive

$98.67

4
 6/10
1 user review
92
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Expansion Portable Drive 4TB

External hard disk drive

$302.62

6
  93
 4,000  GB 0.08  $/GB2.5 inches 

WD My Book Studio USB 3.0 V2 3TB

External hard disk drive

$295.40

18
 94
 3,000  GB 0.10  $/GB3.5 inches 

Promise Pegasus2 R4 HE151ZM/A

External hard disk drive

$1,268.96

5
 95
 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 5TB

External hard disk drive

$319.53

17
 96
 5,000  GB 0.06  $/GB3.5 inches 

WD My Book Pro Edition Thunderbolt 6TB

External hard disk drive

$1,154.00

10
 97
 6,000  GB 0.19  $/GB3.5 inches 

LaCie Rugged Mini USB 3.0 7200rpm 500GB

External hard disk drive

$129.89

15
 98
 500  GB 0.26  $/GB2.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 2TB

External hard disk drive

* $149.00

3
 5/10
10 user reviews
99
 2,000  GB 0.07  $/GB3.5 inches 

LaCie Hard Drive Porsche P9223 USB 3.0 120GB

External hard disk drive

* $172.07

8
 100
 120  GB 1.43  $/GB2.5 inches 

LaCie Hard Drive Porsche Desktop P9233 USB 3.0 8TB

External hard disk drive

* $580.12

12
 101
 8,000  GB 0.07  $/GB3.5 inches 
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