This adapter from Delock converts the M.2 Key M slot into a Key A slot.

Specification
– Connectors:1 x 67 pin M.2 Key M male > 1 x 67 pin M.2 Key A slot
– Form factor: 22110
– Supports M.2 2280, 2260, 2242 and 2230 format modules with Key A or Key A+E
– Maximum height of components on the module: 1.5 mm, use of double-sided modules possible
– Dimensions (LxWxH): approx. 110 x 25 x 4 mm
– OS independent, no driver installation required

System requirements
– One free M.2 Key M slot

Package contents
– Adapter mounting material

Packaging
– Box