Amazon.com: ELECTOP 9 Pin 2 in 1 Internal USB Splitter Cable, USB Header Male 1 to 2 Female Extension Connector Adapter, USB 2.0 HUB Connector Port Multiplier PWM Fan (30cm/0.98ft) : Electronics
2 Port Internal USB 3.0 Header Adapter - USB 3.0 Cables | Cables | StarTech.com Europe
AK-CBUB12-30BK - Akasa - Computer Cable, USB 3.0 Type A Plug, USB 3.0 Internal Connector