Adorama offers the Samsung 500GB 840 Series Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7TD500BW, for $319.99 with free shipping ($0.64/GB). That's the lowest total price we could find by $10, although we saw it bundled with a game download for $6 less a month ago. It features read speeds of up to 530MB/s and write speeds of up to 330MB/s.