Hard Drive data rates

Lamar Owen lowen at pari.edu
Fri Sep 28 19:41:15 UTC 2007


On Friday 28 September 2007, John Wendel wrote:
> Lamar Owen wrote:
> > Due to the 8B/10B coding used in SATA, you can divide the bitrate by ten
> > and not eight to get the byterate.  Thus, 3Gb/s is 300MB/s at the wire.

> Your talking about the wire speed. The REAL speed is determined by the
> disk drive. You're lucky to get 75MB/s with a desktop drive.

I did say "at the wire" above.
-- 
Lamar Owen
Chief Information Officer
Pisgah Astronomical Research Institute
1 PARI Drive
Rosman, NC  28772
(828)862-5554
www.pari.edu




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