Sintech NGFF M.2 B+M Key SSD to 20+6Pin Adapter Card for Replace Sandisk SD5SG2 SSD of Lenovo X1 Carbon Ultrabook Alow NGFF SSD to work as 20+6pin SSD of Lenovo X1 Carbon Ultrabook Designed for M.2 NGFF B+M Key SATA SSD's only,not support M Key PCIe SSD Support 2sizes NGFF M.2 Socket SSD: type 2230, type 2242 Only can replace following SSD: Sandisk SD5SG2,Toshiba THNSNS128GMGP dimension: 70 x 21mms (LxW) ,same as SSD from Lenovo X1 Carbon Ultrabook