IOMeter is another open-source synthetic benchmarking tool which is able to simulate the various loads placed on a hard drive and solid-state drive technology.
We test with both random read and write 4k tests, as shown above. There are many ways to measure the IOPS performance of a hard drive, so our results will sometimes differ from the manufacturer’s quoted ratings. We test all drives in the same way, so the results are directly comparable.
When the 4K random read/write of the drive with Iometer, we saw a read result of 723 IOPS which was slightly faster than the write performance of 707 IOPS.