PNY CS3040 500GB M.2 NVMe Gen4 x4 PCIe SSD M280CS3040-500-RB - Form Factor: M.2 - Interface: PCIe Gen4 x4 - NAND Components: 3D Flash Memory - Max Sequential Read Speed: Up to 5,600 MB/s - Max Sequential Write Speed: Up to 2,600 MB/s - 5 Years Manufacturer Warranty