[filmscanners] Re: Slightly OT: Hard Drive Speed

["Moreno Polloni" <mp@dccnet.com>]

>>I understand, also, that RPM is more important that which version ATA your
internal drives are. That is to say ATA66 (if you don't have ATA100) is
probably fine with a 7200 RPM drive, because the disk is more likely to be
the bottleneck than the interface.<<

It depends on a few factors, but basically you're on the right track.

If the computer is more than a couple of years old, the onboard IDE
interface may not even support ATA66. The newest IDE drives are now Ultra
ATA133, but their performance has nowhere near twice the throughput of an
Ultra ATA66 drive.

The newer and larger 7200 rpm drives typically have a larger cache than the
older drives, and this would provide a larger performance gain than going
from an Ultra ATA 66 to Ultra ATA 100. Also, larger hard drives usually
perform better than smaller identical drives.




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