1. Introduction2. WD Red Pro 20TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. 4K Random Performance7. Throughput8. Workload Scenarios9. Real Life File Testing10. Closing Thoughts11. View All Pages

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.

The 20TB Red Pro's 4K random write result of 766 IOPS sees it into the top 10 HDD drives we've tested to date. Its random read figure of 779 IOPS is faster than WD's 20TB Ultrastar DC HC560 drive but at 924 IOPS, the enterprise drive has a much better write performance figure than the Red Pro.

 

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