The Acer Dual-Port USB 3.0 PCIe High Profile Controller Card P/N: RA354E-3 is a used port expansion card specifically designed for computers. With two USB 3.0 ports, this card allows for easy expansion of external interfaces on your computer. Compatible with USB 3.0, it provides fast and efficient data transfer speeds. The Acer brand ensures reliability and quality, making it a suitable choice for adding more ports to your system.