On Mon, 4 Dec 2006 20:09:05 -0800
David Brownell wrote:

> On Sunday 03 December 2006 9:36 am, David Relson wrote:
> > On Sun, 3 Dec 2006 12:31:56 -0500 (EST)
> 
> > By the way, I had measured throughput to the USB drive and found
> > I could transfer a 1GB file from internal HD to the USB in 57.9
> > seconds, which translates to 18.5 MB/sec.  Would that be
> > considered a good or bad USB 2.0 transfer rate?
> 
> A fair number of production devices will sustain 10 MB/sec more than
> that; but none that do 15 MB/sec more.  I'd call 18.5 MB/sec so-so.
> 
> - Dave

Dave,

Good info.  So 28 is achievable and 33 is out of reach.

Stated differently, USB 2.0 has a theoretical max of 480Mbps, which is
60 MB/sec, but in actual practice only about 50% of that is attainable.

Interesting ...

Regards,

David


-------------------------------------------------------------------------
Take Surveys. Earn Cash. Influence the Future of IT
Join SourceForge.net's Techsay panel and you'll get the chance to share your
opinions on IT & business topics through brief surveys - and earn cash
http://www.techsay.com/default.php?page=join.php&p=sourceforge&CID=DEVDEV
_______________________________________________
linux-usb-devel@lists.sourceforge.net
To unsubscribe, use the last form field at:
https://lists.sourceforge.net/lists/listinfo/linux-usb-devel

Reply via email to