Lexar NM790 with Heatsink 4TB SSD Review

1. Introduction2. Lexar NM790 with Heasink 4TB3. 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 took note of the drive’s temperature during some of our benchmarking runs.

During our benchmarking runs, the hottest the drive got was 59° C during CrystalDiskMark 8 Default Write test. For the 21 non-4 K tests the drive averaged 51°C while for the 4K-based tests, the average was 47.8°C.

When we tested the standard NM790 drive we were a little concerned how hot the drive was getting during the benchmark runs even though we didn't appear to see any throttle back during our tests.  During our benchmarking runs, the hottest the NM780 with Heatsink drive got was 59° C during CrystalDiskMark 8 Default Write test, the same test run with the standard drive saw a temp of 65° C. Running the ATTO benchmark saw the Heatsink equipped drive running 11° C cooler than the standard drive.

The NM790 with Heatsink averaged 47° C for the 4K-based tests, eight degrees cooler than the standard drive.

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