Re: USB hard disk speed?
- From: "Peter" <peterfoxghost@xxxxxxxx>
- Date: Mon, 29 Aug 2005 13:01:17 -0400
"Russell May" <russmay@xxxxxxxxxxxxxxxx> wrote in message
news:ia96h1lkg6tiq1p55c14bputjd8o3pb30n@xxxxxxxxxx
> When I recently copied about 4.6GB from my AcomData 7200RPM USB 2.0
> 60GB external disk drive to a Verbatim 16X DVD+R disk via my Plextor
> PX-716A 16X internal drive, there were several pauses to replenish the
> cache after it reached about 8X write speed. The copy operation
> averaged about 400MB/minute. During verification, it paused again
> several times after it reached about 8X read speed. I expected
> something faster both directions. Copying the same data between from
> an internal hard drive and the DVD drive results in no such pauses or
> slowdowns, so I presume the USB 2.0 interface slows the operation.
>
> Is 400MB/minute normal for copying between a USB 2.0 hard drive and
> internal 16X DVD drive? Is there something simple to improve it?
>
> Russell May
>
Did you try to copy same data between internal HD and USB 2.0 HD?
.
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