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Western Digital WD 120GB external passport harddrive

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Author Topic: Western Digital WD 120GB external passport harddrive  (Read 10647 times)
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« on: September 11, 2007, 12:02:08 pm »

USB has a maximum burst speed of 480Mbps, Firewire has a constant 480Mbps.
Regular harddrives (3.5") run at 7200RPM and the Notebook ones (2.5") run at 5400RPM
The laptop ones can also run from USB power only, where as the desktop ones require more power (and are about 5 times heavier)
In practice the 2.5 inch ones are the best balance and are only slightly slower than desktop ones (10-20%).
Flash is to expensive, and isnt that much faster in a lot of cases.
Desktop hard drives are to big and power hungry.
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