Solved: mSATA SSD in WWAN slot in e7240 - Dell Community
Retrofitting the ULTIMATE detachable External GPU Setup - Laptops and Pre-Built Systems - Linus Tech Tips
T460s second SSD in WWAN : r/thinkpad
Dell Latitude 5401 - install second SSD into WWAN slot! - YouTube
Amazon.com: Mini PCIe WWAN Card to USB Adapter with SIM Slot, Mini PCI Express WWAN/LTE/4G Module Tester Converter, Support 30mm 50mm Wireless Wide Area Network Card : Electronics
2230 SSD in T480 WWAN slot works great with 22x30mm to 22x42mm Adapter : r/thinkpad
X270: Question about second 2242 SSD in the WWAN slot : r/thinkpad