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What Does Hard Drive RPM Mean?

Question:

I'm looking at the new MacBook Pro and I see there are hard drive options with different RPM listed - what's the difference?
- Asked by Gary C. March 11th, 2011

Answer:

RPM stands for "revolutions per minute". A standard hard drive has a spinning disc inside of it - RPM measures how many times that disc spins in a minute. As RPM increases, the speed of your hard drive also increases. So a hard drive with a higher RPM represents a faster hard drive. The recently released MacBook Pro 15 (Feb 2011) includes a 750GB 5400 RPM hard drive or a smaller, faster 500GB 7200 RPM option.

Filed Under: Mac, Mac OS X, Hard Drive, RPM
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