The Visiontek USB 3.0 PCIE Expansion Card PCI Express Plug-in Card with 4 USB ports provides a convenient and efficient way to expand the connectivity options of your computer. The card can be easily installed into a PCI Express slot, adding four USB 3.0 ports to your system. This allows you to connect multiple USB devices, such as external hard drives, printers, and cameras, without the need for additional hubs or adapters. The USB 3.0 ports provide high-speed data transfer rates, enabling fast file transfers and efficient data backup. The card is compatible with various operating systems and requires minimal setup, making it a versatile and user-friendly solution for expanding the USB connectivity of your computer.