Lenovo 5100 5100 PRO 480 GB Solid State Drive - M.2 2280 Internal - SATA (SATA/600) - 540 MB/s Maximum Read Transfer Rate

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 Hardened boot media that does not use a drive bay Both mechanically & electronically designed to be more robust than any prior implementation Tool-less, patented clip design that supports back to back connector layout, providing simple install in limited space.