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ADATA SX300 256GB mSATA SSD Review - Benchmarks - PCMark Vantage - Drives with Data Testing

By: Chris Ramseyer | mSATA in Storage | Posted: Aug 7, 2013 2:16 am
TweakTown Rating: 83%Manufacturer: ADATA

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.




The LSI SandForce controller with its data compression has always performed well in this test since the flash doesn't take the full brunt of the data written to the controller. The 20nm flash only allowed the SX300 to get up to the 60K Mark range, so this drive is already at a disadvantage.


With 50% of the capacity of the drive filled with data, which in this case means sent to the drive and not actually written to the flash, the SX300 doesn't do as well as the Intel 525 240GB.

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