Anvil's Storage Utilities:

Anvil's Storage Utilities is another new 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 PX-256M5Pro Xtreme'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 PX-256M5Pro Xtreme's performance was very similar to what we saw in our other tests. The drive was able to read at 529.35 MB/s and write at 438.91 MB/s.

The PX-256M5Pro Xtreme also performed pretty well when doing random reads and writes. In our tests, the drive was able to read at 154.68 MB/s and write at 249.23 MB/s.

According to Plextor, the PX-256M5Pro Xtreme is capable of 100,000 IOPS when reading and 86,000 IOPS when writing 4K blocks. In our tests, the drive reached 39,598 random read IOPS and 63,804 random write IOPS. The only way I came close to Plextor's numbers was to increase the queue depth. With the queue depth set to 32, the PX-256M5Pro Xtreme reached 97,731 random read IOPS and 81,776 random write IOPS.