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Our Iometer streaming reads test measures sequential performance. As expected, the Vertex 3 keeps up with the Vertex 3 Pro. Opening up the pipe with an architecture designed for SATA 6Gb/s makes an enormous performance difference. Five hundred megabytes per second is amazing.
It is close enough to call this a draw. The Vertex 3 is just as fast as the Vertex 3 Pro.
Of course, it's important to point out that our Iometer test employs the easily-compressible data that helps SandForce's DuraWrite technology achieve solid performance and low write amplification. We turn next to CrystalDiskMark for more insight on less favorable random data conditions.