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 2.0 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