Samsung 870 Evo SATA SSD with up to 560MB/s read speeds; up to 4TB capacity announced in India Samsung has announced their next generation SATA SSD for consumers, called the 870 EVO, which will be replacing the 860 EVO SSDs that was launched over two year ago. The new SSDs have capacities up to 4TB, and they utilize Samsung’s new V-NAND and controller, allowing it to reach speeds of 560 and 530MB/s for reads and writes respectively. As mentioned above, the 870 EVO SSDs can reach maximum performance levels of the sequential read and write speeds of its SATA interface. The drive can maintain peak performance for longer too, thanks to the drive’s Intelligent TurboWrite technology and its large variable SLC buffer.