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 - a test run just after the fill tests and shows if a drive needs time to recover or if performance is instantly restored.
Now we're switching over and forcing the Mushkin Atlas to run against desktop drives since we haven't run these tests on our mSATA collection. To keep things relevant we pulled out the big drives with 512GB of total NAND flash.
Fill testing was going to be an issue on the base Atlas to begin with since the asynchronous flash loses a lot of performance with data in the cells. The DX model will perform much better in these tests. Given how well firmware 5.0.4 performs an Atlas DX model might even take the top performance spot when filled to the 50% line. It would certainly run very close to the SanDisk Extreme and OCZ Vertex 3 480GB.
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