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CrystalDiskMark is a useful benchmark to measure theoretical performance levels of hard drives and SSDs. We are using v6.0.
The IronWolf 510 performs reasonably well in CrystalDiskMark’s deeper queue depth 4K test. From looking at the two benchmark result screens, it seems that the controller has a preference for handling compressible data. Using this type of data sees a big boost in the random read performance at queue depths 1 and 8.
The latest version of CrystalDiskMark, version 7, includes a couple of profiles that can be used for testing – Peak Performance and Real World. The result screens for these two profiles not only display MB/s results but also IOPS and latency.
Looking at the Peak Performance results for Sequential read/write performance we could confirm both official Sequential performance figures. The drive is rated up to 3,150MB/s for reads, with the tested drive producing 3,431MB/s and up to 850MB/s for writes, with a test result of 996.35MB/s.
We also used CrystalDiskMark 7 to test the drive at lower queue depths (QD1 – QD8 where most of the everyday workloads occur) using 1 to 4 threads. The IronWolf 510's read performance climbs smoothly throughout the tested queue depths and threads.
In the two-threaded test, the drive peaks at QD2 (186,039 IOPS) before dropping to 174,221 IOPS at QD4. At QD8 the drive had recovered to 180,398 IOPS.
