Samsung SSD 860 Pro Series 1TB; internal SSD 2.5""; 1TB storage capacity; Samsung V-NAND 2 Bit MLC; read: up to 560MB/s; write: up to 530MB/s; SATA 6 Gb/s interface, backward compatible to SATA 3 Gb/s and SATA 1.5 Gb/s; dimensions: 100 x 69.85 x 6.8 mm (WxHxD)