USB3 sustained transfer rate

Mon Apr 18 17:57:50 UTC 2011

On Mon, Apr 18, 2011 at 01:06:57PM -0400, teddymills1-Re5JQEeQqe8AvxtiuMwx3w at public.gmane.org wrote:
>
> Ubuntu 10.10
> M4A88T-V EVO/USB3
> Vantec USB3 case with WD 2TB green
> I dont know what the speed of the WD Green is, but it is definitely not  
> the fastest.
> 2 USB3 ports and use 1 USB3 port.
>
> With USB2 it sustains 30MB/sec.

Sounds typical for USB2.

> With USB3 the speed varies from 70MB to 105MB/sec (averaging 90MB/sec)
>
> Any idea why it could vary from 70 to 105 ?

Doesn't WD claim the green drives vary? :)

Not sure.  How are you testing it?

-- 
Len Sorensen
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