We used CrystalDiskMark 8’s custom settings to test the 4K 70/30 mixed read/write performance of the drive through a range of queue depths using a single thread and four threads.
Using the four threaded 4K 70/30 read/write tests, the performance of the 2TB version of the ADATA Legend 970 ranges from 107,113 IOPS (438.7MB/s) at QD1 to 498,356 IOPS (2,041.2MB/s) at QD32. Using a single thread, the test results range from 26,443 IOPS (108.3MB/s) at QD1 up to 176,284 IOPS (722MB/s) at QD32.