4 Port USB 2.0 to 9 Pin MainBoard Header Bracket Extension Cable for PC P S- dx | eBay
What are these plastic brackets for on motherboard? - CPUs, Motherboards, and Memory - Linus Tech Tips
USB 2.0 2 Ports PC Expansion Slot Bracket Motherboard High Speed Type A Female x 2 to MPC-5 5 Pin x 2 for ATX External Cover Case Main Board MB PC - Micro Connectors, Inc.