RD1000 performances

[Matteo Concilio]

2008/10/27 Alessandro FAGLIA <a.faglia at farmol.it>:
> Anybody could tell me if this outcome is standard or I can improve it? I
> know that USB 2.0 raw data rate is 480Mbps, so I wonder why my
> sequential output per block is only 30479KBps (=243.832Mbps if I'm
> correct and 1B=8b).

Firewire has a declared data rate of 400 and works at 400.
USB2.0 has a declared data rate of 480 and works at half. A normal
USB2.0 external disk has a throughput of 20-25MBps, so your situation
is good.

Look at this image
http://www.macintouch.com/specialreports/perfpack02/quadport.png


> Another question: why read (input) is lower than write (output)? Is this
> normal?

This is normal for any disk


-- 
Matteo Concilio