Anvil's Storage Utilities:
Anvil's Storage Utilities is another benchmark designed with SSDs in mind. The standard storage benchmark measures a drive's performance by testing its transfer speeds, access times and IOPS.
Iometer:
Lastly, I ran a series of tests using Iometer. This tool can be configured to benchmark a number of things. In this case, I used it to measure the WD_BLACK SN770's read and write speeds and the number of operations per second. The tests were run using random bytes and a queue depth of 3.
The WD_BLACK SN770's performance was very similar to what we saw in our other tests. The drive was able to read at 4877.51 MB/s and write at 4473.49 MB/s.
The WD_BLACK SN770 also performed fairly well when doing random reads and writes. In our tests, the drive was able to read at 362.96 MB/s and write at 641.50 MB/s.
According to ADATA, the 1TB WD_BLACK SN770 is capable of 740,000 IOPS when reading and 800,000 IOPS when writing 4K blocks. With two threads and a queue depth of three, the drive reached 92,917 random read IOPS and 164,224 random write IOPS.
As with most drives, the WD_BLACK SN770 performed better with more threads and at higher queue depths. With sixteen threads and the queue depth set to 32, it reached 507,792 random read IOPS and 578,987 random write IOPS.
