We used CrystalDiskMark 8‘s custom settings to test the 4K random read 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.
With our 4-threaded random 4K read testing we couldn't get close to the official rating of 1,180,000 IOPS with a best test result of 510,074 IOPS.
4K Random Read v QD Performance.
At QD1 the 2TB Crucial T500 sits in a mid-table position, however, at QD's 2, 4 and 32 it moves up to lie in the top 10 of drives tested to date.