USB 2.0

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TheUltimateMacUser's picture
Joined: Jan 28 2004
Posts: 615

How well does a bus powered USB 2.0 HD work with USB 1.1? I know it's slow, but is is so slow so as to not be useable?

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coius's picture
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Joined: Aug 25 2004
Posts: 1975
it is as slow as a 6x Cdrom

that is the maximum that it will achieve. ~500KB's . So it is not very fast. But if it the only thing you can use, it is fast enough Tongue

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Joined: Dec 20 2003
Posts: 455
It is incredibably slow. Lik

It is incredibably slow. Like use it as a backup but not as a work drive slow.

I once copied 3 gigs from a usb 2.0 drive to a computer that only had usb 1.1. It took like 4 to 8 hours (i really don't remember exactly how long).

Remember, usb 1.1 (fast) is only 12mbps a second whereas usb 2.0 is 480mps a second which is 40 times faster. So in theroy, a file that takes 10 minutes to transfer on usb 2.0, could take roughly 6 hours/400 minutes or so to transfe on usb 1.1.

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TheUltimateMacUser's picture
Joined: Jan 28 2004
Posts: 615
Re:

Ok, thanks for the input. It looks like i'll be using a FireWire enclusure after all.

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