OUTLUT Computers & Electronic Inc. 2 2TB PCIe 3.1 x4 NVMe 3D TLC NAND Internal Solid State Drive (SSD) 5MS24AA#ABC. PCI-Express 3(8Gb/s) x4, NVMe 1.3. Seq Read/Write: 3,500 MBps / 2,900 MBps. MTBF: 2,000,000 hours. 5 Years or 1400TBW. We take painstaking care to pack our customers items for maximum safety.