Crucial M4 CT256M4SSD2 256GB Solid State Drive for $179.99 shipped. It is sold by buy.com through ebay. Here is a screenshot for your reference. Alternatively, it is available at Amazon for the same price shipped. It features up to 415MB/s read speed and 260MB/s write speed, RAID support and SATA III 6Gb/s interface. Most places have this internal solid state drive for about $209.