The HP 840718-601 system board is a replacement motherboard specified for the HP ProBook 640 G2 family. It is configured with UMA memory and an Intel Core i7-6600U processor, matching the processor and board configuration identified for this part number.
This version is listed with WWAN capability and Windows. The WWAN detail identifies the supported configuration; the guide does not state that a WWAN module is included with the board. HP’s service guide classifies it as a system board and includes it in its component replacement procedures.