[M] OCZ Vertex 3.20 240GB SATA III 2.5'' SSD Review
 

The latest SSD from OCZ is the Vertex 3.20, a revised model of the winning Vertex 3, which now features 20nm NAND flash along with a proven SandForce SF-2281 controller. Considering that the Vertex 3 price has been also dropped, both SSDs fight for the same price point and deliver comparable performances.

http://www.madshrimps.be/articles/article/1000441/