Amazon offers the Samsung 850 EVO 120GB Internal Serial ATA 6Gb/s 2.5" SSD, model no. MZ-75E120B/AM, for $59.99 with free shipping. (Buy.com via Rakuten Shopping charges the same via coupon code "SAMSUNG15".) That's the lowest total price we could find by $15. It features read speeds of up to 550MB and write speeds of up to 520MB.