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WD My Book Studio Edition External 1TB
WD My Book Studio II External 2TB
WD My Passport Essential Portable 250GB
WD My Passport Essential Portable 500GB Blue
WD Caviar Green 2TB
WD My Book Studio Edition External 1TB Hard Drive
WD My Book Studio II External 2TB Hard Drive
WD My Passport Essential Portable 250GB Hard Drive
WD My Passport Essential Portable 500GB Blue Hard Drive
WD Caviar Green 2TB Hard Drive
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Score
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Score
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Score
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Score
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Score
Release Date
Mar 2009
Mar 2009
Jan 2009
Jan 2009
Jan 2009
Capacity
1024.0 GB
2048.0 GB
250.0 GB
500.0 GB
2048.0 GB
Enclosure
External
External
External
External
Internal
HDD Form Factor
3.5"
3.5"
Interface
Firewire 400, Firewire 800, SATA II (3.0 Gbps), USB - Universal Serial Bus 2.0
USB, FireWire
USB - Universal Serial Bus 2.0
USB
SATA II (3.0 Gbps)
Spindle Speed
7200.0 RPM
5400.0 RPM
5400.0 RPM
5400.0 RPM
Average Rating
 3.8 stars
 3.9 stars
 4.0 stars
 4.0 stars
 4.1 stars
Performance
78% Positive
22% Negative
100% Positive
100% Positive
66% Positive
34% Negative
81% Positive
19% Negative
Noise
100% Positive
100% Positive
100% Positive