[Gllug] re: SCSI vs SATA

Tethys tet at createservices.com
Wed Jun 9 10:02:51 UTC 2004


"t.clarke" writes:

>One thing that always puzzles me is why SCSI isn't inherently at
>least 8/16 times faster than SATA, bearing in mind that the data
>is transferred on SCSI over more wires in parallel than SATA (as I
>understand it !).
>
>Can anyone explain/point to an explanation ?

Simplicity. Sending data in parallel introduces timing constraints,
which just aren't present in a serial setup, so data can be sent down
the wires faster in serial than it could in parallel. In real life, it
turns out to be a win to use serial, unintuitive though it may seem.

Tet
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