Dell Latitude E7440 – Using a MSATA SSD in the MSATA WWAN Port = Yes, you can! | ComputerComputerComputer
Ngff M.2 Key B To Usb 3.0 Adapter Expansion Card With Sim 8pin Card Slot For Wwan/lte 3g/4g/5g Module Support 3042/3052 M.2 Ssd - Pc Hardware Cables & Adapters - AliExpress
Apparently T480s can boot directly from WWAN Slot! : r/thinkpad
Converter module socket M.2 NGFF B-Key to nano-SIM WWAN SSD SATA PCIe-NVMe card - Cablematic
how to use ssd in your laptop WWAN | wifi card port - YouTube
Solved: mSATA SSD in WWAN slot in e7240 - Dell Community