Good news to inform you ! below is our industrial mini pc ,you can see the red remark ,Not long ago our customer told us

you can from the motherboard where 12V comes into computer also make a cable with connector, and fix it on the housing, there is enough space.

Now customer has realized this action what is to put connector for 12V on board (it can be put after 12V input on board, connector with 4pin).

Pls note below pics.

If you have any needs ,pls let me know .

We will provide the complete program for you .