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CrystalDiskMark is a useful benchmark to measure the theoretical performance levels of hard drives and SSDs. We are using v8.0.
The CRAS C910 read score of 74.48MB/s in CrystalDiskMark 8's 4K QD1 test sees it in the bottom half of the results chart although its write result of 205.81MB/s is the slowest we've seen for a Gen4 SSD to date.
A glance at the benchmark result screens shows that using the default test we could confirm both official Sequential figures (5,200MB/s reads, 4,800MB/s writes) with test results of 5,262MB/s for reads and 5,048MB/s for writes.
Those Sequential test results see the drive in the bottom half of the results chart but it is the fastest sub 7,000MB/s drive we've seen to date.
Peak Performance profile.
The drive is officially rated at up to 560,000 IOPS for random reads and up to 615,000 IOPS for random writes. Using the Peak Performance profile of CrystalDiskMark8 we could confirm the official read figure and indeed better it a little at 620,934 IOPS. However, the random write figure was a little short of the maximum at 612,186 IOPS.
As with the default test, we could confirm both the official maximums (5,200MB/s reads, 4,800MB/s writes) for Sequential performance with test results of 5,260 MB/s for reads and 5,051MB/s for writes.
Real World profile.
In the Real World profiles test the drive's Sequential read result of 3,171MB/s sees it in last place on the results table but its write performance is much stronger at 4,976MB/s.
