Amazon.com: Ableconn M2MN-150E M.2 Converter Board for Key E M.2 Module - Install M2 E Key Module to M Key Socket on Motherboard : Electronics
Amazon.com: Sintech M.2 M-Key M.2 Key E Module,NGFF WiFi Card to M.2 Key M Adapter Card Compatible for Intel 7260,8260,9260 : Electronics
For Ngff M.2 To Minipcie Key E Slot Pcie + Usb Adapter Wifi Fit For Bluetooth-compatible Mini Adapter Card For Desktop Laptop - Pc Hardware Cables & Adapters - AliExpress
MTG-GM100 M.2 E Key to M Key Adapter for M.2 WiFi Module – Mabletech
E Key to M Key Adapter M.2 Card supports up to 2280 - Shentek
DT-134E PCIe and USB Base M.2 Wireless Module to miniPCIe Motherboard - M-FACTORS Storage
10pcs NGFF M.2 Connector Socket 67PIN A KEY / B KEY / E KEY / M KEY | eBay