MacMall offers the Samsung 256GB 830 Series Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7PC256B/WW, for $167.99 with free shipping ($0.66/GB). That's the lowest total price we could find for this drive by $21, although we saw it for $12 less last month. It features read speeds of up to 520MB/s and write speeds of up to 400MB/s.