1. Introduction2. ADATA Legend 970 2TB3. Testing Methodology4. CrystalDiskMark5. ATTO Disk Benchmark6. AS SSD7. 128KB Sequential Performance8. 4K Random Read v QD Performance9. 4K Random Write v QD Performance10. 4K 70/30 Mixed Performance11. 4K Random Performance QD1-QD812. Throughput13. PCMark 10 Full System Drive Benchmark14. 3DMark Storage Benchmark 15. Final Fantasy XIV Endwalker Official Benchmark16. Temperatures17. Real Life File Testing18. Closing Thoughts19. View All Pages

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 Reads

In the random read (QD1-QD8) tests the drive performed smoothly through all the tested queue depths and number of threads used. At QD1 the performance ranges from 20,764 IOPS (85.05MB/s) using a single thread up to 84,784 IOPS (347.2MB/s) using four threads. At QD8 performance ranges from 502,167 IOPS (2,056MB/s) using four threads down to 159,167 IOPS (651MB/s) using a single thread.

Random Writes

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. However, all four threads saw the performance levelling off from QD2 until the end of the test at QD8.

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