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

WD My Passport USB 3.0 2TB

External hard disk drive

$250.00

1
 9/10
8 user reviews
368
 2,000  GB 0.13  $/GB2.5 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 

Seagate Expansion Portable Drive V2 USB 3.0 2TB

External hard disk drive

$159.00

8
9/10
4 user reviews
40
 2,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Portable Drive USB 2.0 500GB

External hard disk drive

$103.50

2
 8/10
14 user reviews
267
 500  GB 0.21  $/GB2.5 inches 

WD Elements Desktop 2.0 2TB

External hard disk drive

$217.35

1
 8/10
90 user reviews
270
 2,000  GB 0.11  $/GB3.5 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 

LaCie Hard Drive Porsche P9220 USB 3.0 1TB

External hard disk drive

$122.61

16
8/10
2 user reviews
95
 1,000  GB 0.12  $/GB2.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 4TB

External hard disk drive

* $255.00

4
 8/10
2 user reviews
44
 4,000  GB 0.06  $/GB3.5 inches 

WD My Passport USB 3.0 1TB

External hard disk drive

$171.14

3
 8/10
14 user reviews
211
 1,000  GB 0.17  $/GB2.5 inches 

WD Elements Portable USB 3.0 2TB

External hard disk drive

$165.60

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

Seagate Backup Plus Portable USB 3.0 1TB

External hard disk drive

$109.00

2
8/10
3 user reviews
203
 1,000  GB 0.11  $/GB2.5 inches 

Seagate FreeAgent GoFlex Desk USB 3.0 2TB

External hard disk drive

$194.36

2
 8/10
3 user reviews
269
 2,000  GB 0.10  $/GB3.5 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 

Seagate Expansion Desktop Drive V2 USB 3.0 3TB

External hard disk drive

$177.10

9
8/10
10 user reviews
33
 3,000  GB 0.06  $/GB3.5 inches 

WD My Passport Ultra USB 3.0 1TB

External hard disk drive

$99.00

9
8/10
7 user reviews
9
 1,000  GB 0.10  $/GB2.5 inches 

Adata DashDrive HV620 500GB

External hard disk drive

$79.00

30
8/10
1 user review
53
 500  GB 0.16  $/GB2.5 inches 

Transcend StoreJet 25H3 TS1TSJ25H3P 1TB

External hard disk drive

$102.00

38
8/10
1 user review
34
 1,000  GB 0.10  $/GB2.5 inches 

Transcend StoreJet 25M3 TS1TSJ25M3 1TB

External hard disk drive

$102.35

29
8/10
1 user review
21
 931  GB 0.11  $/GB2.5 inches 

WD Elements Portable SE 1TB

External hard disk drive

$113.85

2
 8/10
1 user review
259
 1,000  GB 0.11  $/GB2.5 inches 

Toshiba StorE Slim V2 2.5" USB 3.0 1TB

External hard disk drive

$122.95

5
 8/10
1 user review
140
 1,000  GB 0.12  $/GB2.5 inches 

WD My Book USB 3.0 V2 3TB

External hard disk drive

$227.69

17
8/10
1 user review
55
 3,000  GB 0.08  $/GB3.5 inches 

Seagate Wireless Plus 2TB

External hard disk drive

$310.75

21
8/10
1 user review
37
 2,000  GB 0.16  $/GB2.5 inches 

Seagate Backup Plus Fast Portable USB 3.0 4TB

External hard disk drive

$352.94

24
7/10
2 user reviews
30
 4,000  GB 0.09  $/GB2.5 inches 

WD Elements Desktop 2.0 3TB

External hard disk drive

$166.75

2
 7/10
3 user reviews
257
 3,000  GB 0.06  $/GB3.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 500GB

External hard disk drive

$98.15

15
7/10
4 user reviews
209
 500  GB 0.20  $/GB2.5 inches 

Silicon Power Diamond D03 1TB

External hard disk drive

$135.00

2
 7/10
1 user review
228
 1,000  GB 0.14  $/GB2.5 inches 

WD My Passport Ultra USB 3.0 2TB

External hard disk drive

$169.00

7
7/10
4 user reviews
26
 2,000  GB 0.08  $/GB2.5 inches 

WD My Passport X for Xbox One USB 3.0 2TB

External hard disk drive

$198.69

19
7/10
1 user review
161
 2,000  GB 0.10  $/GB2.5 inches 

WD Elements Desktop 3.0 5TB

External hard disk drive

$254.99

20
7/10
1 user review
52
 5,000  GB 0.05  $/GB3.5 inches 

WD My Book Essential USB 3.0 4TB

External hard disk drive

$263.35

2
 7/10
3 user reviews
252
 4,000  GB 0.07  $/GB3.5 inches 

WD My Book Essential USB 3.0 3TB

External hard disk drive

$310.97

2
7/10
13 user reviews
169
 3,000  GB 0.10  $/GB3.5 inches 

WD My Book Studio USB 3.0 4TB

External hard disk drive

$383.00

1
 7/10
2 user reviews
365
 4,000  GB 0.10  $/GB3.5 inches 

WD My Book USB 3.0 V2 6TB

External hard disk drive

$458.85

17
7/10
1 user review
80
 6,000  GB 0.08  $/GB3.5 inches 

WD My Passport Ultra II USB 3.0 2TB

External hard disk drive

$176.00

23
7/10
1 user review
8
 2,000  GB 0.09  $/GB2.5 inches 

Verbatim Store 'n' Save Desktop USB 3.0 3TB

External hard disk drive

$193.59

13
7/10
5 user reviews
182
 3,000  GB 0.06  $/GB3.5 inches 

WD My Book Essential USB 3.0 2TB

External hard disk drive

$199.99

4
7/10
9 user reviews
230
 2,000  GB 0.10  $/GB3.5 inches 

WD My Passport Pro Thunderbolt 4TB

External hard disk drive

$746.35

19
7/10
1 user review
93
 4,000  GB 0.19  $/GB2.5 inches 

WD Elements Portable SE 3.0 1TB

External hard disk drive

$108.95

7
6/10
11 user reviews
96
 1,000  GB 0.11  $/GB2.5 inches 

WD My Book Studio Edition II USB 2.0/FW800/eSATA 2TB

External hard disk drive

$454.88

1
 6/10
4 user reviews
265
 2,000  GB 0.23  $/GB3.5 inches 

Seagate Expansion Portable Drive 1TB

External hard disk drive

$78.99

26
6/10
1 user review
4
 1,000  GB 0.08  $/GB2.5 inches 

Seagate Expansion Portable Drive V2 USB 3.0 500GB

External hard disk drive

$89.00

1
6/10
1 user review
133
 500  GB 0.18  $/GB2.5 inches 

HGST Touro Mobile MX3 1TB

External hard disk drive

$98.67

4
 6/10
1 user review
106
 1,000  GB 0.10  $/GB2.5 inches 

WD Elements Portable 2.0 500GB

External hard disk drive

$99.99

1
 6/10
1 user review
309
 500  GB 0.20  $/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 

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 

Seagate Expansion Desktop Drive USB 3.0 1TB

External hard disk drive

$175.00

1
 6/10
1 user review
276
 1,000  GB 0.18  $/GB3.5 inches 

Seagate FreeAgent GoFlex USB 3.0 1.5TB

External hard disk drive

$280.00

1
 6/10
1 user review
268
 1,500  GB 0.19  $/GB2.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 2TB

External hard disk drive

* $219.55

2
 6/10
2 user reviews
235
 2,000  GB 0.11  $/GB3.5 inches 

WD My Passport Wireless 2TB

External hard disk drive

$377.00

22
6/10
1 user review
49
 2,000  GB 0.19  $/GB2.5 inches 

Verbatim Store 'n' Go Portable USB 3.0 1TB

External hard disk drive

$99.00

25
5/10
2 user reviews
75
 1,000  GB 0.10  $/GB2.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 2TB

External hard disk drive

* $149.00

3
 5/10
10 user reviews
82
 2,000  GB 0.07  $/GB3.5 inches 

Seagate Expansion Desktop Drive USB 2.0 2TB

External hard disk drive

$155.25

2
 5/10
22 user reviews
256
 2,000  GB 0.08  $/GB3.5 inches 

WD Elements Portable USB 3.0 1TB

External hard disk drive

$98.00

31
5/10
5 user reviews
6
 1,024  GB 0.10  $/GB2.5 inches 

WD My Passport USB 3.0 500GB

External hard disk drive

$150.00

1
 5/10
2 user reviews
187
 500  GB 0.30  $/GB2.5 inches 

WD Elements Desktop 3.0 4TB

External hard disk drive

* $269.00

2
5/10
2 user reviews
201
 4,000  GB 0.07  $/GB3.5 inches 

Verbatim Store 'n' Save Desktop USB 3.0 4TB

External hard disk drive

$273.12

12
5/10
1 user review
170
 4,000  GB 0.07  $/GB3.5 inches 

Seagate Expansion Desktop Drive V2 USB 3.0 5TB

External hard disk drive

$297.85

3
 5/10
1 user review
127
 5,000  GB 0.06  $/GB3.5 inches 

Seagate Backup Plus Desktop V2 USB 3.0 4TB

External hard disk drive

* $245.95

19
4/10
1 user review
39
 4,000  GB 0.06  $/GB3.5 inches 

LaCie Hard Drive Porsche P9230 USB 3.0 5TB

External hard disk drive

$293.04

9
4/10
1 user review
48
 5,000  GB 0.06  $/GB3.5 inches 

Transcend StoreJet 25D3 TS1TSJ25D3 1TB

External hard disk drive

$105.00

14
3/10
1 user review
18
 1,000  GB 0.11  $/GB2.5 inches 

WD My Passport for Mac USB 3.0 1TB

External hard disk drive

$136.85

3
3/10
1 user review
216
 1,000  GB 0.14  $/GB2.5 inches 

Seagate Expansion Portable Drive USB 3.0 1TB

External hard disk drive

$178.25

1
 3/10
1 user review
253
 1,000  GB 0.18  $/GB2.5 inches 

WD My Book USB 3.0 V2 4TB

External hard disk drive

$284.98

19
3/10
1 user review
23
 4,000  GB 0.07  $/GB3.5 inches 

Transcend StoreJet 25D3 TS500GSJ25D3 500GB

External hard disk drive

$95.50

  242
 500  GB 0.00  $/GB2.5 inches 

WD My Book Duo Thunderbolt V2 8TB

External hard disk drive

$1,062.30

  219
 8,000  GB 0.00  $/GB3.5 inches 

Promise Pegasus2 R8 48TB

External hard disk drive

$9,775.00

  379
 

Seagate Backup Plus Desktop V2 for Mac USB 3.0 4TB

External hard disk drive

$327.70

  193
 4,000  GB 0.00  $/GB3.5 inches 

LaCie 4Big Quadra USB 3.0/FW800 12TB

External hard disk drive

$1,463.50

  246
 12,000  GB 0.00  $/GB3.5 inches 

Promise Pegasus2 R4 12TB

External hard disk drive

$3,149.00

  380
 12,000  GB 0.00  $/GB 

Toshiba Canvio Connect 1.5TB

External hard disk drive

$135.30

  229
 1,500  GB 0.00  $/GB2.5 inches 

Transcend StoreJet 35 Turbo TS2TSJ35T3 2TB

External hard disk drive

$182.50

  238
 2,000  GB 0.00  $/GB3.5 inches 

Promise Pegasus2 R6 24TB

External hard disk drive

$6,198.50

  378
 24,000  GB 0.00  $/GB 

HGST Touro Mobile USB 3.0 500GB

External hard disk drive

$66.65

9
 24
 500  GB 0.13  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 500GB

External hard disk drive

$79.00

10
  47
 500  GB 0.16  $/GB2.5 inches 

HGST Touro Mobile Pro 500GB

External hard disk drive

$79.35

4
  192
 500  GB 0.16  $/GB2.5 inches 

HGST Touro Mobile MX3 500GB

External hard disk drive

$79.35

3
 172
 500  GB 0.16  $/GB2.5 inches 

Transcend StoreJet 25H3 TS500GSJ25H3P 500GB

External hard disk drive

$80.50

39
 87
 500  GB 0.16  $/GB2.5 inches 

Transcend StoreJet 25M2 TS500GSJ25M2 500GB

External hard disk drive

$83.00

2
  251
 500  GB 0.17  $/GB2.5 inches 

Transcend StoreJet 25M3 TS500GSJ25M3 500GB

External hard disk drive

$84.25

27
 128
 500  GB 0.17  $/GB2.5 inches 

Transcend StoreJet A3 TS500GSJ25A3K 500GB

External hard disk drive

$87.89

12
  189
 500  GB 0.18  $/GB2.5 inches 

Toshiba Canvio Basics 2.5" USB 3.0 1TB

External hard disk drive

$88.00

20
 19
 1,000  GB 0.09  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 500GB

External hard disk drive

$88.08

33
 62
 500  GB 0.18  $/GB3.5 inches 

Seagate Expansion Portable Drive USB 3.0 500GB

External hard disk drive

$89.00

3
 129
 500  GB 0.18  $/GB2.5 inches 

WD Elements Portable SE 3.0 500GB

External hard disk drive

$89.00

3
 100
 500  GB 0.18  $/GB2.5 inches 

Toshiba Canvio Connect 750GB

External hard disk drive

$89.99

6
 173
 750  GB 0.12  $/GB2.5 inches 

Verbatim 2.5" Mobile Hard Drive USB 2.0 500GB

External hard disk drive

$91.09

16
 92
 500  GB 0.18  $/GB2.5 inches 

Verbatim 2.5" Mobile Hard Drive USB 2.0 320GB

External hard disk drive

$91.83

1
  373
 320  GB 0.29  $/GB2.5 inches 

WD Elements Portable USB 3.0 750GB

External hard disk drive

$95.00

2
 162
 750  GB 0.13  $/GB2.5 inches 

Silicon Power Armor A80 1TB

External hard disk drive

$95.95

1
  222
 1,000  GB 0.10  $/GB2.5 inches 

LaCie Hard Drive Porsche P9220 USB 3.0 500GB

External hard disk drive

$97.68

16
 152
 500  GB 0.20  $/GB2.5 inches 

Transcend StoreJet 25A3 TS1TSJ25A3 1TB

External hard disk drive

$97.77

13
 148
 1,000  GB 0.10  $/GB2.5 inches 

Adata DashDrive HV620 1TB

External hard disk drive

$98.00

33
 54
 1,000  GB 0.10  $/GB2.5 inches 

Silicon Power Armor A60 1TB

External hard disk drive

$99.00

11
 46
 1,000  GB 0.10  $/GB2.5 inches 

Freecom ToughDrive Pro USB 2.0 320GB

External hard disk drive

$99.00

1
  308
 320  GB 0.31  $/GB2.5 inches 

Seagate Wireless Mobile Storage 500GB

External hard disk drive

$99.00

21
 28
 500  GB 0.20  $/GB2.5 inches 

Toshiba StorE Plus 2.5" USB 3.0 750GB

External hard disk drive

$99.00

1
 166
 750  GB 0.13  $/GB2.5 inches 

Silicon Power Diamond D03 500GB

External hard disk drive

$99.95

1
  223
 500  GB 0.20  $/GB2.5 inches 

Adata DashDrive Classic CH11 USB 3.0 500GB

External hard disk drive

$100.60

5
 248
 500  GB 0.20  $/GB2.5 inches 

LaCie Hard Drive Porsche P9223 Slim USB 3.0 500GB

External hard disk drive

$106.00

16
 153
 500  GB 0.21  $/GB2.5 inches 

Adata DashDrive Durable HD710 USB 3.0 1TB

External hard disk drive

$106.12

41
 10
 1,000  GB 0.11  $/GB2.5 inches 
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