We used CrystalDiskMark 8 to test the random performance of the drive at lower queue depths (QD1 – QD8, where most of the everyday workloads occur) using 1 to 4 threads.
Random Read
Using the four threaded 4K 70/30 read/write tests, the performance of the 2TB Corsair MP700 Pro XT ranges from 127,318 IOPS (521MB/s) at QD1 to 560,863 IOPS (2,297MB/s) at QD32. With a single thread, the test results range from 30,338 IOPS (124.26MB/s) at QD1 up to 183,691 IOPS (752.39MB/s) at QD32.
Random Write
In the 4K write tests, the performance rose sharply from QD1 to QD2 for all four tested threads with the fastest rises seen in the three and four-threaded tests. Using a single thread, the performance rises slowly from QD2 to QD4 before levelling off. With two threads the performance plateaued off after QD2.
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