Low Profile Header Small Mini Usb 3.0 19/20 Pin Internal Extension Flat Cable 20pins Male To Female Adapter For Motherboard-15cm - Pc Hardware Cables & Adapters - AliExpress
USB 3.0 19-Pin Low-Profile Extension Cable
JSER Low Profile 80mm Height USB 3.0 Female Back panel to Motherboard 20pin cable with PCI bracket 50cm - Walmart.com