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Plextor PX-M2 Series 256GB SATA 6G Solid State Drive Review

By: Chris Ramseyer | SSDs in Storage | Posted: May 6, 2011 6:36 pm
TweakTown Rating: 89%Manufacturer: Plextor

PCMark Vantage - Drives with Data Testing


For a complete breakdown on the Drives with Data Testing please read this article. You will be able to perform this test at home with the files provided in the article - full instructions are included.


Brief Methodology


SSDs perform differently when used for a period of time and when data is already present on the drive. The purpose of the Drives with Data testing is to show how a drive performs in these 'dirty' states. SSDs also need time to recover, either with TRIM or onboard garbage collection methods.


Drives with Data Testing - 25%, 50%, 75% Full States and Dirty / Empty Test
Files needed for 60 (64GB), 120 (128GB), 240 (256GB)
60GB Fill - 15GB, 30GB, 45GB
120GB Fill - 30GB, 60GB, 90GB
240GB Fill - 60GB, 120GB, 160GB
Empty but Dirty - a test run just after the fill tests and shows if a drive needs time to recover or if performance is instantly restored.




HDD1 - Windows Defender
HDD2 - Gaming
HDD3 - Windows Photo Gallery
HDD4 - Vista Startup
HDD5 - Windows Movie Maker
HDD6 - Windows Media Center
HDD7 - Windows Media Player
HDD8 - Application Loading


In this set of tests we see the overall performance from the PCMark Vantage HDD tests, but with data on the drive in 25%, 50% and 75% full states. The top and bottom numbers on the chart are with the drives void of data, the top in a clean state and the bottom in a dirty state.


This is the Plextor M2's strong suit; the test actually developed specifically for the Marvell BKK2 controller. Here we see that the Plextor M2 is able to perform at a constant rate all the way up to the 75% full mark. At 75% there is a little variation in performance, but the change is not nearly as radical as what we observed with the SandForce SF-2281 controlled Vertex 3.


This means you are going to get constant performance from the Plextor M2. The TRIM + garbage collection capabilities of this drive are second to none. This will also carry on into RAID applications and when using operating systems void of TRIM.


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