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OCZ Vertex 450 256GB SSD Review - Benchmarks - PCMark Vantage - Drives with Data Testing

OCZ Vertex 450 256GB SSD Review

The rapid drop in 25nm flash availability and slow ramp up of 20nm production puts OCZ in a tough position. Vector availability is about to get scarce and Vertex 3.20 can't be profitable at less than $1 per GB. OCZ needs a higher profit product with the flash available today and it has to be faster than SandForce to sell, enter the new OCZ Vertex 450. (NASDAQ:OCZ)

| SSDs in Storage | Posted: May 23, 2013 12:45 pm
TweakTown Rating: 92%      Manufacturer: OCZ Technology

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

 

SSD's 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. SSD's 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.

 

TweakTown image content/5/5/5501_64_ocz_vertex_450_256gb_ssd_review.png

 

Fill testing performance is much better than I anticipated going into the review. Vertex 450 256GB is actually faster than Vertex 3.20 240GB with both drives at half capacity. Given the SandForce architecture's advantage with compressible data, this surprised us. We rarely see apples to apples SandForce drives beaten in this test.

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