M.2 NGFF SSD to 26 Pin Adapter for Lenovo X1 Carbon Ultrabook
Amazon.com: Sintech 26pin SSD to SATA Adapter Card with USB Cable, Compatible with Sandisk SD5SG2 from Lenovo X1 Carbon Ultrabook 2012 Year : Electronics
ThinkPad X1 Carbon (2nd and 3rd Gen) - M.2 Solid State Drive Replacement - YouTube