Rakuten offers the Samsung 512GB 850 Pro Series Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7KE512BW, for $319.99. Coupon code "510EE7B" cuts it to $289.99. With free shipping (choose budget shipping at checkout), that's $14 under our October mention and the lowest total price we've seen. (It's a current low by $30.) It features read speeds of up to 550MB/s and write speeds of up to 520MB/s. Deal ends December 1.