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PNY XLR8 CS3140 1TB SSD Review

CrystalDiskMark is a useful benchmark to measure theoretical performance levels of hard drives and SSDs. We are using v6.0.


The PNY CS3140 does seem to struggle with the 4K QD32 T1 test in CrystalDiskMark 6. Having said that we could confirm the official sequential read performance figure for the drive of 7,500MB/s with a tested CDM v6 read figure of 7,458MB/s. The tested best write figure of 5,349MB/s is a little short of the official sequential maximum of 5,650MB/s.

Comparing the two CrystalDiskMark result screens shows that the Phison E18 controller that the CS3410 uses is much more efficient when reading compressible sequential and 4K data at certain queue depths.

CrystalDiskMark 8 Profile tests.

CrystalDiskMark 8 comes with a couple of interesting ready-made testing profiles as well as a dedicated NVMe setting. The best tested sequential figures for reads (7,399.74MB/s) and writes (5,348.32MB/s) are both a little shy of the official maximums of 7,500MB/s and 5,650MB/s repetitively.

The best tested random 4K figures in CDM8 for the drive are 664,937.74 IOPS for reads and 600,540.77 IOPS for writes. Unfortunately, we couldn’t confirm how these figures match up to the official ones as PNY don’t have the random performance figures featured on any specification sheet for the drive we’ve seen.

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