We used CrystalDiskMark 8‘s custom settings to test the 4K random read 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.
Using our 4-threaded random read 4K tests we couldn't get close to the official maximum of 1,850,000 IOPS. The drive peaked at QD16 with a figure of 500,907 IOPS before slipping back a little to finish the test run at 497,589 IOPS (QD32).
4K Random Read v QD performance comparison.
Even though our 4K random read test results were nowhere close to the official maximum figure at any stage, the drive sits in the top spot at QD1, 2 and 4, by quite a margin. This is very useful as these are the queue depths where most of the everyday usage occurs. However, at QD32 it has fallen down the chart to end up in last place.