 "Lenovo - solid state drive 180 GB M.2 Card" " Lenovo Card 4XB0H30209 Solid State Drives (SSDs) CDW.com
"The ThinkPad 180GB M.2 SATA OPAL Solid State Drive is for ThinkPad X1 Carbon, with M.2 (22mm*80mm*73mm) form factor, high speed with SATA 6.0Gbps interface, unique supports X1 carbon." 
 "Samsung 1TB 850 EVO SATA M.2 SSD/Solid State Drive"@en Drive LN77103 - MZ-N5E1T0BW | SCAN UK"@en
"1TB Samsung 850 EVO, M.2 (22x80) SSD, SATA III 6Gb/s, Samsung MGX, 3D V-NAND, Read 540MB/s, Write 520MB/s, 97K/89K IOPS  "@en 