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 Rocket 4 Plus' 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 Rocket 4 Plus' performance was very similar to what we saw in our other tests. The drive was able to read at 6711.36 MB/s and write at 5024.35 MB/s.

The Rocket 4 Plus' random read and write performance was hit and miss when tested with Iometer. While the drive was able to read at a respectable 362.11 MB/s, its write speed averaged out at only 572.93 MB/s.

According to Sabrent, the 1TB Rocket 4 Plus is capable of 350,000 IOPS when reading and 700,000 IOPS when writing 4K blocks. With two threads and a queue depth of three, the drive reached 92,701 random read IOPS and 146,927 random write IOPS.

As with most drives, the Rocket 4 Plus performed better with more threads and at higher queue depths. With eight threads and the queue depth set to 32, it reached 355,100 random read IOPS and 447,474 random write IOPS.