Product description Lenovo ThinkSystem M.2 5300 480GB SATA 6Gbps Non-Hot Swap SSD Hardened boot media that does not use a drive bay Both mechanically & electronically designed to be more robust than any prior implementation Design provides hardware mirroring of two M.2 SSDs M.2 SSDs have higher mean time between failures (MTBF) than SD cards or USB keys Tool-less, patented clip design that supports back to back connector layout, providing simple install in limited space. model : ADATA XPG SX6000 Lite 512GB PCIe 3D NAND PCIe Internal Solid State Drive tag : Internal SSD