> Do the Sata drives use less power then ide or ultra ata?

Almost no power is consumed in the interface, so IDE, PATA (UATA) or SATA
would be a wash.

All drives are using a voice coil positioner with in-track servo, so that
would be a wash, too.

Most of the power is consumed in the spindle motor, and this power is
proportional to the drive's RPM, with a 5400 rpm drive consuming less
power than a 5900 rpm drive, consuming less power than a 7200 rpm drive,
consuming less power than a 10,000 rpm drive, etcetera.


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