On Friday 26 January 2007 15:06, Gary Jennejohn wrote: > Stefan Ehmann writes: > > On Friday 26 January 2007 13:35, Andrew Pantyukhin wrote: > > > On 1/26/07, Stefan Ehmann <shoesoft_at_gmx.net> wrote: > > > > On Friday 26 January 2007 11:00, Alexey Karagodov wrote: > > > > > what manufacturer says about usb speeds? > > > > > that is the question > > > > > > > > Well, "up to 56MB/s" which is pretty much full USB2 speed. > > > > > > > > But writing it on the box doesn't mean the speed can actually be > > > > reached. > > > > > > > > Benchmarking on windows might be interesting, but I don't know how to > > > > measure raw disk io on windows. > > > > > > Format the disk, copy a large file to/from it, divide > > > its size by time spent, add the word "approximately" :-) > > > > I'd rather not format a drive with my backups and other stuff on it :-) > > If you want to test under windows then you could use hdbench from c't > magazine. I think it has a non-destructive mode. It's what they use to > do all their disk tests. Thanks for the tip. Using h2benchw, I get 30.5MB/s - so no magic speed increase on windows. The limiting factor is not the hd, using ata I get more than 65MB/s. According to [1] "The maximum rate currently (2006) attained with real devices is about [...] 30 MB/s". [1] http://en.wikipedia.org/wiki/UsbReceived on Fri Jan 26 2007 - 14:27:25 UTC
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