Kingston NV2 1TB SSD Review

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

In our lower queue depth, 4K random read tests there are no unexpected shocks as the performance smoothly increases as the queue depth deepens for each tested thread. At QD1 the performance ranged from a low point of just 16,442 IOPS (67.34MB/s) for a single thread up to 60,841 IOPS (249MB/s) for four threads.

At QD8 a single thread produced 97,376 IOPS (398MB/s), two threads 130,998 IOPS (536MB/s), three threads 167,900 IOPs (687MB/s) and finally with four threads, 181,293 IOPS (742MB/s).

Random Write

In the 4K write performance tests the performance rose pretty slowly from QD1 to QD2 using one and two threads before levelling off for the remainder of the test run. Using three threads the drive climbed quickly between QDs 1 and 2 before the rate of acceleration slowed between QDs 2 and 3 before slowing down at QD8. Much the same thing happened using four threads but between QDs 4 and 8 the performance dropped sharply away.

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