SanDisk Extreme Pro 480GB Solid State Drive for $159.00 shipped. Here is a screenshot for reference. Alternatively, it is available at B&H Photo for $159.00 shipped. The SanDisk Extreme II Edition is the enthusiast version that performs better than the cheaper value-oriented ones. It features up to 550 MB/s read speed and 515 MB/s write speed. Most places have this SSD for about $164 or more.