Samsung 860 QVO 2TB 2.5-inch Solid State Drive (MZ-76Q2T0BW) - Read Speed up to 550 MB/s, Write Speed to up 520 MB/s, Random Read up to 970000 IOPS, Random Write up to 89000 IOPS, SATA 6 Gb/s, V-Nand 4bit MLC; Samsung MJX controller, AES 256-bit Encryption, Samsung 2GB Low Power DDR4 SDRAM