The edge of a 3.5 inch platter spinning at 10000 rpm moves at 3.5\*pi\*10000 inc... | Hacker News

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p1mrx on Oct 30, 2021 | parent | context | favorite | on: An ode to the 10,000 RPM Western Digital (Veloci)R...

The edge of a 3.5 inch platter spinning at 10000 rpm moves at 3.5*pi*10000 inches/minute, which is 47 m/s or 104 MPH.

I'm a bit surprised that it's slower than a car.

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