Buy.com via eBay offers the Samsung 250GB 840 EVO Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7TE250BW, for $139.99 with free shipping ($0.56/GB). That's the lowest total price we could find by $28, although we saw it for $20 less on Black Friday. It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.