Samsung 850 EVO-Series 1TB SATA III Solid State Drive for $309.99 shipped. Here is a screenshot for reference. It features up to 540MB/s sequential read speed and and 520MB/s write speed, and random read and write input/output operations-per-second (IOPS) up to 100,000 and 90,000 each, which is generally at the higher end of the consumer SSD performance range. Most places have it for over $335.
Originally posted earlier, this is just a friendly reminder.