Solved: M2 SSD 42 mm in WWAN from Dell Latitude E7240 and 7270 - Dell Community
Aluminum 2nd Hard Drive Hdd Ssd Enclosure Optical Bay Caddy Frame Bracket Sata For Dell Precision M2800 M4700 M6700 M4800 M6800 - Laptop Repair Components - AliExpress
CMS 128GB mini m-SATA SSD Drive SATA III 6GB/s Compatible with Dell Precision M3800, Precision Mobile Workstation M4800, Precision Mobile Workstation M6800 - C29 - Walmart.com