ASRock Announces U.2 Kit For M.2 Slots and Front USB 3.1 Panel With Type-A and Type-C Ports | The SSD Review
ASRock > USB 3.0 Card
ASRock USB 3.1 (Type A + C) front panel - black [MBAR-169] from WatercoolingUK
Charge devices faster with a new USB 3.1 Type-C controller | Ctrl blog
ASRock to Introduce USB 3.1 Cards and Motherboards
ASRock X370 Gaming X Fatal1ty AM4 AMD Promontory X370 SATA 6Gb/s USB 3.0 HDMI ATX AMD Motherboard: Motherboards: Amazon.com.au
ASRock X570 Taichi - Dumb 3.1 Internal Connector Placement. For a $300 board who in the right mind would think to design a board where the connector is behind where the GPU