HP FX900 Pro 2TB SSD Review

We used CrystalDiskMark 8‘s custom settings to test the 4K random write performance of the drive through a range of queue depths. The setup for the tests is listed below.

Transfer Request Size: 4KB, Outstanding I/O: 1-32.

In the random write test, the best test result we saw from the FX900 Pro was 252,890 IOPS (QD32), which is nowhere near the official maximum of 1,122K IOPS. We did a quick test of the drive using eight threads at QD32 and got a test result of 429,095 IOPS, still well short of the official figure.

4K Random Write v QD performance compared.

The drive sits around mid-table at QDs 1 & 2 but at QD4 it has slid towards the bottom half of the results chart where it stays for the QD32 result.

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