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Date: Sun, 12 Apr 2009 14:53:42 -0700
From: Yuri <yuri@rawbw.com>
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To: Dan Nelson <dnelson@allantgroup.com>
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Cc: freebsd-questions@freebsd.org
Subject: Re: Why USB harddrive is so slow under FreeBSD?
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Dan Nelson wrote:
>
> Increase your blocksize.  dd's default is 512 bytes.  Try bs=64k
>   

This works, I am getting 25-27 MB/s. Still lower than this device 
supports (~50MB/s).
I guess because this VIA controller is very old.

Yuri