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Plextor M5 Pro 256GB SSD with Xtreme 1.02 Firmware Review

By: Chris Ramseyer | SSDs in Storage | Posted: Mar 5, 2013 9:40 pm
TweakTown Rating: 92%Manufacturer: Plextor

Anvil Storage Utilities


Version and / or Patch Used: RC6


So what is Anvil Storage Utilities? First of all, it's 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 DQ16.


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


The software is used several different ways and 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




The Plextor M5 Pro doesn't discriminate between compressible and incompressible data. The two screenshots above show nearly identical performance between the two data types.



Read IOPS through Queue Depth Scale




We don't have performance data with some of the newer benchmarks on the old firmware. We just jumped right in with the new firmware and forgot about the newest tests.


Even though they all use different controllers and NAND flash, the top performing enthusiast class SSDs all have a common marketing point, 100K IOPs. High IOPS at high queue depths is a nice marketing point for enterprise class SSDs, but consumer SSDs rarely reach a queue depth of 32, the limit for SATA.


The lower queue depths are where most of us need high IOPS performance.



Scaling Write IOPS through Queue Scale




You may have noticed that the Plextor M5 Xtreme 256GB is on the charts today as well. The larger page size works against IOPS performance, but increases sequential performance. It works a lot like RAID stripe sizes, larger gives better sequential while smaller gives better random performance.

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