This USB A to USB Motherboard 4-Pin Header plugs directly into a motherboard USB header, providing two standard USB A female ports. A cost-effective solution for any application requiring internal USB 2. female ports, including using a bootable USB flash drive as a SSD or collecting data in embedded applications. The StarTech.com Advantage - Converts a motherboard USB connector into two USB A Female ports - Easy to use and install - Backed by StarTech.com's lifetime warranty