StarTech.com 9 Pin Serial Male to 10 Pin Header Slot Plate Adapter - serial adapter - 9 in

Add a DB9 serial port to the rear panel of the computer. The PLATE9MHD 9pin Serial Male to 10pin IDC Motherboard Header Slot Plate Adapter adds a DB9 serial port to the rear panel computer rear panel, connecting to the host computer motherboard using a mini style header connector (required by motherboards such as the Intel DG41).