Buy.com offers the SanDisk Extreme 480GB 2.5" Serial ATA 6Gb/s Internal SSD, model no. SDSSDX-480G-G25, bundled with 4,000 Rakuten Super Points for $399.99 with free shipping. Assuming you use the points (they convert to a $40 Buy.com credit), that's $0.75/GB and the lowest total price we could find by $89. This drive features read speeds of up to 550MB/s and write speeds of up to 520MB/s.