Adorama offers the Samsung 850 Pro 256GB Serial ATA 6Gb/s 2.5" Internal Solid State Drive, model no. MZ-7KE256BW, for $159.99 with free shipping. (Amazon charges the same.) That's $2 under our mention from three weeks ago (which was bundled with a Windows game download) and the lowest total price we could find now by $12. It features read speeds of up to 550MB/s and write speeds of up to 520MB/s.