External hard drives comparing External hard drives

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gdgt score

81
76
pending
pending
pending

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Avg. critic rating

7.6
7.5
7.9
no data
no data

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Avg. user rating

8.4
no data
8.0
8.3
8.8

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Price

$82

General

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Type

Portable hard drive
Portable hard drive
Portable hard drive
Portable hard drive
Portable hard drive

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Storage space

500 GB
16 GB
320 GB
120 GB
250 GB

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Drive type

Platter (5400RPM)
SSD
Platter
Platter (5400RPM)
Platter (5400RPM)

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Drive form factor

2.5 inches
2.5 inches
2.5 inches
2.5 inches

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Cache

Speed

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Read speed (max)

77 MBps
480 MBps

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Write speed (max)

190 MBps

Other features

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Activity / status indicator

Yes
Yes
Yes

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Shortcut / backup button

No
No

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OS support

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Capacity gauge

No
No

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Fingerprint reader

No
No

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Portable applications

Yes
Yes
Yes

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Ruggedized

No
No

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Security lock slot

No
No

Connections

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USB

3.0
2.0
2.0
2.0
2.0

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Thunderbolt

No

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eSATA

No
No
No

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FireWire / 1394

No
No
No

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WiFi

No

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WiFi encryption

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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

External
Bus-powered, External
Bus-powered

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Battery type

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Power adapter

External
Internal

Size and Weight

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Height

1.26 inches
4.78 inches
5.06 inches
0.6 inches
0.6 inches

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Width

3.46 inches
2.43 inches
3.23 inches
3.1 inches
4.3 inches

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Depth

4.72 inches
0.39 inches
9.9 inches
5.0 inches
3.2 inches

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Weight

0.59 pounds
0.6 pounds
0.33 pounds
6.4 ounces
0.44 pounds

Pricing and Availability

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Availability

Discontinued
Available
Available
Discontinued
Available

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Discontinued (US)

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Released (US)

July 7, 2011

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Announced (US)

June 1, 2011

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Rumored (US)

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Original price

$199 USD
$129 USD
$99.99 USD

Colors

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Colors

Black
Black
Silver
Black
Silver

General Info

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Mfr. warranty

3 years
1 year
3 years

Environmental

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