The Vertex 4 is a big deal for OCZ, because it's the company's first top-end SSD to come with an in-house Indilinx controller. We first saw this proprietary silicon put to good effect in the Octane drive a few months ago, and by most accounts the controller continues to hold its own in this new performance model. The drive will ship in 128GB, 256GB and 512GB varieties, with MSRPs of $179, $349 and $699 respectively, which stacks up
