Common figures for expected IOPS based on disk speed

Here are some “rule of thumb” figures you can use when sizing a set of disks for IOPS

RPM

IOPS

SSD

6000

15,000

175

10,000

125

7,200

75

5,400

50

The above are for individual disks or those configured in RAID 0. Don’t forget to take account of your RAID penalty !

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