PC laptops: somewhat OT question

powerdog

Veteran
Can I assume that a recent PC laptop, like my Sony Vaio FS660, has USB 2.0 ports that are POWERED? IE, can I buy a portable HD and know it'll run off the port? (Can't seem to search out this info anywhere on the web.)
 
The USB root hubs are always powered (250mA). I don't know if there are USB-powered HDs available.
 
Yes, Lacie makes a number of them, some with just USB 2, some with just FW, some with both.

Other consideration is, my laptop battery doesn't last very long as it is (about 2 hrs), and I bet powering the drive would really reduce running time.
 
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