M.2 NVMe SSD 2.0TB Samsung SSD 980 PRO w/Heatsink, PCIe4.0 x4 / NVMe1.3c, M2 Type 2280 form factor, Seq. Read: 7000 MB/s, Seq. Write: 5100 MB/s, Max Random 4k: Read /Write: 1,000,000/ 1,000,000 IOPS, Samsung Elpis Controller, 2GB LPDDR4, PCI-SIG® D8 standard, V-NAND 3-bit MLC