Mechanical hard drives IO operations Per Second

Mechanical hard drives

Some commonly accepted averages for random IO operations, calculated as 1/(seek + latency) = IOPS:

Device Type IOPS Interface Notes 7,200 rpm SATA drives HDD ~75-100 IOPS^[2] SATA 3 Gbit/s 10,000 rpm SATA drives HDD ~125-150 IOPS^[2] SATA 3 Gbit/s 10,000 rpm SAS drives HDD ~140 IOPS^[2] SAS 15,000 rpm SAS drives HDD ~175-210 IOPS^[2] SAS