Samsung 990 Pro is a PCIe Gen 4.0 x4, NVMe 2.0 internal solid-state drive with 1-2TB capacity. Its dimensions are 80 x 22 x 2.3 mm and it weighs a maximum of 9.0g. The drive has Samsung V-NAND 3-bit MLC storage memory and a Samsung 2GB Low Power DDR4 SDRAM controller. Its performance is up to 1,400,000 IOPS for random read (4KB, QD32) and up to 1,550,000 IOPS for random write (4KB, QD32). The drive has a 5-year limited warranty or 1200 TBW limited warranty.