![]() ![]() The drive is rated up to 7,000MB/s for reads, with the tested drive producing 7,071MB/s and up to 5,300MB/s for writes, with the best test result of 5,324MB/s. Looking at the results for Sequential read/write performance we could confirm both official Sequential performance figures. The result screens for these two profiles not only display MB/s results but also IOPS and latency. The latest version of CrystalDiskMark, version 7, includes a couple of profiles that can be used for testing – Peak Performance and Real World. However, the write result of 5,188MB/s is a little short of the official 5,300MB/s.Ĭomparing the two result screens it appears that the WD Black G2 controller doesn't have a preference when it comes to the type of data it's being asked to handle. Using this benchmark we could confirm the official 7,000MB/s Sequential read figure with a test result of 7,022MB/s. In the CrystalDiskMark v6.0.2 4K QD32 test the WD Black SN850 sits in second place behind Patriot's VP4100 drive. CrystalDiskMark is a useful benchmark to measure theoretical performance levels of hard drives and SSDs. ![]()
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