Features: This expansion card supports USB3.0 standard, providing fast transfer speed of up to 5Gbps, significantly reducing data transfer time. Compatible for various operating system such as Windows, etc., seamlessly compatible for wide ranges of USB devices. Suitable for computer users who need to connect multiple USB devices, such as desktops, laptops, etc. Suitable for office workers, offering additional USB ports to connect peripherals like mouse, keyboards, flash drives, and more. Perfect for photographers and video editor who require high capacity data transfers, providing fast and stable USB interfaces to enhances work efficiency. Suitable for home computer use, such as home video entertainment, home offices, and other scenarios, to meet the needs of multiple device connections. Business office: suitable for computer use in offices, meeting rooms, and other business place, convenient for connecting printers, scanners, external storage devices, etc. Specifications: Material:PCB Size:Approx.120x95mm/4.72x3.74in Support Windows,System; 5Gbps Data Transfer; Package Includes: 1xUSB3.0 Expansion Card note: Please allow 1-2cm errors due to manual measurement,please make sure that you do not mind before you order. Due to the difference between different monitors, the picture may not reflect the actual color of the item.