Adorama offers the Samsung 500GB 840 Series Serial ATA 6Gb/s 2.5″ Internal SSD, model no. MZ-7TD500BW, for $319.99. Coupon code “S9999991″ cuts it to $289.99. With free shipping, that’s $0.58/GB, $5 under last week’s mention, and the lowest total price we’ve ever seen for a 500GB SSD. (It’s a current price low by $40.) It features read speeds of up to 530MB/s and write speeds of up to 330MB/s.