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Crucial M550 256GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: Apr 10, 2014 10:08 pm
TweakTown Rating: 92%Manufacturer: Crucial

PCMark Vantage - Drives with Data Testing


Version and / or Patch Used: 1.0.0


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.




You may have noticed that we skipped a few tests that are normally in our review. Out with the old and in with the new. I did want to keep Data on Disk testing to show how much performance decreases as data populates the flash.


The Crucial M550 does very well in this test where we use 50 percent of the flash full as the marker. Of all of the 256GB capacity size, the M550 256GB does the best.

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