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ADATA Premier Pro SP920 512GB SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: May 13, 2014 2:00 pm
TweakTown Rating: 90%Manufacturer: ADATA

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.




With the SP920 empty and after light use from other tests, it scored a solid 88k Marks in Vantage. With data on the 512GB model, performance dropped to a score of 47k Marks.


At that point, it didn't matter if we had the drive 25% full, 50% full or 75% full, the performance was the same until we deleted all of the data and let TRIM / garbage collection clean the flash.

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