what is disk rpm

WD My Book Studio USB 3.0 External Hard Drive

WD My Book Studio USB 3.0 External Hard Drive

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1 Answer from the Community

  • I'm assuming you're talking about the hard disk? If it's the case, disk rpm means how many times the disk inside the hard-drive spins per minute. RPM stands for revelations per minute. So the higher the RPM the faster it can read data.