Western Digital Ultrastar DC HC560 20TB HDD Review

IOMeter is another open-source synthetic benchmarking tool that 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 do test all drives in exactly the same way, so the results are directly comparable.

In our 4K random read/write test, the drive produced a write figure of 924 IOPS making it the third-fastest drive we've seen to date when it comes to random writes. Its read performance at 517 IOPS isn't as strong.

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