External hard drives comparing External hard drives

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gdgt score

pending
83
60
84
76

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Avg. critic rating

7.4
8.0
4.8
8.6
7.5

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Avg. user rating

8.2
9.5
no data
no data
no data

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Price

$86
$69
$77

General

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Type

Portable hard drive
Portable hard drive
Desktop hard drive
Portable hard drive
Portable hard drive

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Storage space

1 TB
500 GB
500 GB
500 GB
16 GB

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Drive type

Platter
Platter
Platter (5400RPM)
SSD

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Drive form factor

3.5 inches
2.5 inches

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Cache

Speed

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Read speed (max)

77 MBps

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Write speed (max)

480 MBps
190 MBps

Other features

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Activity / status indicator

Yes
No
No

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Shortcut / backup button

No
No
No

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OS support

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Capacity gauge

No
No
No

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Fingerprint reader

No
No
No

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Portable applications

No
No
No
Yes

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Ruggedized

No
No
No

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Security lock slot

Yes
No

Connections

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USB

3.0
3.0
2.0
3.0
2.0

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Thunderbolt

No
No
No

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eSATA

No
No
No

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FireWire / 1394

No
No
No

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WiFi

No
802.11 b, g, n
No

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WiFi encryption

WPA2

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Dockable

No
No
No

Memory card reader

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Memory card reader

No
No
No
No

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Memory card support

Power

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Power source

Bus-powered
Bus-powered
External
Bus-powered
Bus-powered, External

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Battery type

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Power adapter

Internal

Size and Weight

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Height

6.5 inches
0.6 inches
5.04 inches
4.78 inches

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Width

1.9 inches
3.2 inches
3.51 inches
2.43 inches

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Depth

5.3 inches
4.4 inches
0.71 inches
0.39 inches

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Weight

0.3 pounds
8.12 ounces
0.6 pounds

Pricing and Availability

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Availability

Available
Available
Available
Available
Available

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Discontinued (US)

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Released (US)

October 5, 2010
March 20, 2012
July 7, 2011

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Announced (US)

March 20, 2012
June 1, 2011

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Rumored (US)

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Original price

$129.99 USD
$129.99 USD
$199 USD
$129 USD

Colors

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Colors

Black
Black
White
Silver
Blue
Red
White
Black
Silver
Red
Black

General Info

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Mfr. warranty

2 years
1 year

Environmental

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