I want to add an SD card reader to my Optiplex 7040 SFF. I bought the bezel that has the front facing slot for the card reader, and I also found the card reader module 094D86 on Ebay which is supposed to be for this model. All is well, except that I can't find a place to connect the card reader module onto the motherboard. What am I missing? The only thing I see on the motherboard in the vicinity is a 20-pin USB 3 port, but the card reader module connector is completely different. The 7040 manual doesn't seem to have any information on how to connect this. Also, what is the name of that connector on the card reader, and is there any adapter that can be purchased to connect that to the motherboard's existing 20-pin USB 3 port header?