CrystalDiskMark is an easy-to-run and quick utility to use to gauge a drive’s performance. It measures sequential read and write performance and random read and write speeds of random 4KB, 4KB (queue depth 32) and 512KB data.
We did not expect the WD Black2 to be competitive against the current crop of popular SSDs, and the results backed up our predictions. Write performance, in particular, was pretty dismal as it was in some cases less than half that of the other SSDs. Read performance was much better, but still trailed the SSDs by a considerable margin. Its performance suffered the most when it came to the intensive 4k, 32 queue depth workload.
It’s hard disk drive performance was decent and easily saw off the Seagate Ultrathin Laptop HDD and was about on a par with the WD UltraSlim.
Update: Comparing the WD Black2 to the hybrid hard disk drive, it was clear that the WD Black2's SSD performance was superior to the hybrid disk drive. This is to be expected. However, if we were to look at scores in the HDD section where we tested the hard disk drive performance of the WD Black2, the hybrid hard disk drive was actually the faster drive in most instances.