M.2 NGFF SSD to 26 Pin Adapter for Lenovo X1 Carbon Ultrabook M.2 NGFF SATA KEY B+M SSD HDD to 20+6 Pin as a SanDisk/Toshiba/Intel SSD for Lenovo X1 Carbon Ultrabook It is used to convert a M.2 NGFF SSD as a 26 pin SSD for Lenovo X1 Carbon Ultrabook