Amazon offers the Samsung 1TB 840 EVO Serial ATA 6Gb/s 2.5" Internal SSD
, model no. MZ-7TE1T0BW, for $533.25
with free shipping
. That's $0.53/GB, $6 under our Black Friday mention, and the lowest total price we've seen. (It's also a current low by $6.) It features read speeds of up to 540MB/s and write speeds of up to 520MB/s.