This USB (Universal Serial Bus) A to USB (Universal Serial Bus) Motherboard 4-Pin Header plugs directly into a motherboard USB (Universal Serial Bus) header, providing two standard USB (Universal Serial Bus) A female ports. A cost-effective solution for any application requiring internal USB (Universal Serial Bus) 2.0 female ports, including using a bootable USB (Universal Serial Bus) flash drive as a SSD or collecting data in embedded applications.