The Ultimate SU650 SSD implements 3D NAND Flash and a fast controller, offering capacities up to 960 GB. Provides read / write performance up to 520 / 450MB / s and greater reliability than 2D NAND SSD disks. The SU650 offers SLC buffering and advanced error correction technologies to ensure optimal performance and data integrity. For those who want to improve the performance of their PC, the SU650 is a great choice with a great price-performance ratio.