Audio & Video Cables & Adapters
StarTech.com USB Motherboard Header IDC Male to DB-9 Female Interface Adapter
StarTech.com USB Motherboard Header IDC Male to DB-9 Female Interface Adapter, MPN: ICUSB232INT2
https://www.bizrate.co.uk/audio_videocables_adapters/startech-com-usb-motherboard-header-idc-oid29254855341.html