The Lot Of 4 StarTech.com 4-port PCI Express USB 3.0 card Model PEXUSB3S42 is a high-quality USB card with four ports, designed for easy connectivity of external devices to a computer. With a compact design and a height of 1.100 inches, this card is compatible with PCI Express ports and features USB 3.0 internal interfaces for fast data transfer speeds. The StarTech brand ensures reliability and performance, making it a great choice for expanding the connectivity options of your computer system.