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 is a test run just after the fill tests, and shows if a drive needs time to recover, or if performance is instantly restored.
Even with 50% of the flash filled with data, the 840 EVO mSATA 1TB still performs very well. In our Data on Disk testing, the 840 Evo mSATA 1TB managed to outperform everything else on the chart at 50%.
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