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 a single thread, the Crucial T700 Heatsink performance climbs in a fairly smooth curve from 26,768 IOPS (109.64MB/s) at QD1 up to 166,219 IOPS (680.83MB/s) at QD8 where the performance slowly begins to level off, finishing the test run at 178,657 IOPS (731.78MB/s) at QD32.
Switching to four threads, the performance goes from 108,856 IOPS (445.87MB/s) at QD1 up to 503,526 IOPS (2052.344MB/s) at QD16 where the performance again starts to level off, finishing the test run at QD32 with 504,021 IOPS (2064.47MB/s).