Amazon offers the Samsung 256GB 840 Pro Series Serial ATA 6Gb/s 2.5" MLC Internal SSD, model no. MZ-7PD256BW, for $135 with free shipping. That's $9 under our mention from three weeks ago, which included a $17 credit, and the lowest total outright price we've seen. (It's a current low by $28.) It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.