Deals A Day offers the Samsung 850 Pro Series 512GB Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7KE512BW, for $279.99 with free shipping. That's $10 under our mention from two weeks ago and the lowest total price we've seen. (It's a current price low also by $10.) It features read speeds of up to 550MB/s and write speeds of up to 520MB/s. Deal ends February 27.