Adorama via eBay offers the Samsung 500GB 840 EVO Serial ATA 6Gb/s 2.5" Internal SSD (pictured), model no. MZ-7TE500BW, for $279.99 with free shipping. That's $0.56/GB and the lowest total price we could find by $20, although last week we saw it for $40 more with a $64 Rakuten Shopping credit. It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.

Also available is the Samsung 250GB 840 EVO Serial ATA 6Gb/s 2.5" Internal SSD, model no. MZ-7TE250BW, for $139.99 with free shipping. That's $0.56/GB, $13 under last month's mention, and the lowest total price we've seen. (It's also a current price low by $30.) It also features read speeds of up to 540MB/s and write speeds of up to 520MB/s.