This latest addition to Samsung's solid state drive lineup is based on the 3-bit 3D Vertical NAND (V-NAND) technology and will be launched globally later this month with capacities starting at 120 GB and up to 1 TB.
http://www.notebookcheck.net/Samsung-introduces-850-EVO-SSD-with-3-bit-V-NAND-technology.132134.0.html