The StarTech.com PEXUSB3S4 PCIe 4-Port USB 3.0 Card is a versatile and high-quality expansion card designed to easily add four external USB 3.0 ports to your computer. With a maximum data rate of 5 Gbps, this PCI Express card provides fast and efficient connectivity for a variety of devices. The compact form factor allows for easy installation, and the universal compatibility makes it suitable for use with a wide range of computers. Backed by a manufacturer warranty of 2 years, the StarTech.com PEXUSB3S4 is a reliable and dependable choice for expanding your computer's interface capabilities.