On Thu 11 August 2011 11:50:17 Grant did opine thusly:
> USB 3.0 throughput is said to be 625 MB/s so I must be running up
> against the speed of the disk itself in USB 3.0 mode,
> correct?  Here's what I get from my internal SATA hard drive, but
> it is surely a much faster disk:
> 
> # hdparm -t /dev/sda
> /dev/sda:
> Timing buffered disk reads: 412 MB in  3.01 seconds = 136.99 MB/sec

Correct. The drive platters are still only going to get data off as 
fast as they ever did. Even with USB 3.0 that speed will not change. 


-- 
alan dot mckinnon at gmail dot com

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