Amazon.com: NVME M.2 PCIe SSD to 2.5 inch Hard Drive Caddy Bracket Tray with SATA HDD Long Cable Replacement for Lenovo ThinkPad X270 NS-A933 : Electronics
x270 - m.2 NVMe SSD in WWAN slot - confirmed working : r/thinkpad
x270 - m.2 NVMe SSD in WWAN slot - confirmed working : r/thinkpad