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SanDisk Extreme PRO 480GB SSD Review (Page 6)

By Chris Ramseyer from Jun 28, 2014 @ 0:25 CDT
TweakTown Rating: 96%Manufacturer: SanDisk

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.

sandisk_extreme_pro_480gb_ssd_review_59

The Drives with Data test is about to be phased out since we give the drives too long to recover and because we found the new PCMark 8 2.0 Advanced Test to be superior. The older version built on Vantage is still a good method to look at performance with dirty flash and data on the drive. The long recovery time doesn't give us as accurate of a result as the new test.

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