4TB SPATIUM M461 PCIe 4.0 NVMe M.2 Storage card offers blazing speeds and is optimized for the PCIe Gen4 interface. 3D NAND Flash technology brings dense storage in a compact design. Built-in security and error-correction capabilities extend the longevity of the NAND flash storage. Migrate data with backup and restore functionality, monitor drive health and performance metrics in real-time in MSI Center. MSI stands by the quality and reliability of their SSD's with a 5 year limited warranty.