Amazon has the Samsung Electronics 840 EVO-Series 1TB 2.5-Inch SATA III Single Unit Version Internal Solid State Drive Model MZ-7TE1T0BW for $539.99 shipped. That’s $310 off and the lowest price we’ve ever seen this SSD which gets and extremely high 4.7 star reviews from Amazon reviewers. It features sequential Read Speed: 540 MB / Sequential Write Speed: 520 MB / Random Read Speed 98K IOPS / Random Write Speed 90K IOPS.
Want to make an external Thunderbolt Drive? Buy a sled for $90 more.