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Plextor M6 Pro 256GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Feb 14, 2015 3:20 am
TweakTown Rating: 91%Manufacturer: Plextor

Anvil Storage Utilities


Version and / or Patch Used: RC6


So, what is Anvil Storage Utilities? Anvil Storage Utilities is a storage benchmark for SSDs and HDDs where you can check and monitor your performance. The Standard Storage Benchmark performs a series of tests; you can run a full test, or just the read or the write test, or you can run a single test, i.e. 4k QD16.


Anvil Storage Utilities is not officially available yet, but we've been playing with the beta for several months now. The author, Anvil, has been updating the software steadily on several international forums, and is adding new features every couple of months.


We can use Anvil several different ways to show different aspects for each drive. We've chosen to use this software to show the performance of a drive with two different data sets. The first is with compressible data, and the second data set is incompressible data. Several users have requested this data in our SSD reviews.



0-Fill Compressible Data




Incompressible Data




Using Anvil Storage Utilities, we determined the Plextor M6 Pro reads and writes compressible and incompressible data at the same speed.



Low Queue Depth Read IOPS




Just like the M6 Pro 128GB we reviewed a few days ago, the 256GB model gets very close to 10K random read IOPS at QD1. The random read performance scales well all the way through QD32, the maximum on this chart.


High Queue Depth Read IOPS




At the high-end of the random read scale, we found the M6 Pro 256GB running right up near 100K IOPS. The scale looks very good with improvements at every step as queue depth is increased.


Low Queue Depth Write IOPS




The QD1 and QD4 random write tests show the M6 Pro is competitive with the best drive on the market. By QD4, the M6 Pro 256GB starts to trails off where some of the other products break 80K IOPS.


High Queue Depth Write IOPS




The high queue depth random write chart shows the M6 Pro 256GB recovering nicely. We nearly broke 90K random write IOPS at QD32.

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