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