For in-store pickup only and with stock varying by ZIP code, Fry's Electronics offers the Samsung 850 Evo 500GB Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-75E500B/AM, for an in-cart price of $149. That's $9 under our expired mention from three days ago of a shipped unit and the lowest price we've seen. (It's a current low by $29.) It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.