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.

As with the random read results, we couldn't get close to the official maximum of 1,600,000 IOPS using our four threaded tests. The best we saw was 426,310 IOPS at QD16. After this peak, the performance dropped slightly to finish the test run at QD32 at 423,710 IOPS.
4K Random Write Performance v QD compared

The tested random write performance of the drive isn't as strong as the random reads. It sits in the bottom half of the results table for all the tested queue depths and props up the table at QD1.
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