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Samsung XP941 512GB M.2 PCIe SSD Review

By: Chris Ramseyer | SSDs in Storage | Posted: May 20, 2014 7:18 pm
TweakTown Rating: 92%Manufacturer: RamCity

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 drive empty, it produced a Vantage result of over 162k, a record for consumer SSDs. With half of the flash full and the drive in a dirty state, the Vantage performance drops down to 53k.


This is still faster than most of the SATA drives on the market, but it also goes to show that flash does not deliver constant performance all of the time.

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