Features: Multi-interface expansion, flexible and convenient: This product provides two Type-A and one Type-C port with powerful expansion capabilities to meet your diverse connection needs. Support hot swap function, plug and play, no need to restart the computer, so that the device connection is more flexible and fast. High-speed data transmission, double efficiency: equipped with advanced technology, effectively improve the data transmission rate, several times faster than the traditional USB 2.0, significantly improve the efficiency of file transfer, video editing and other operations. At the same time, it is compatible with various slot specifications of PCI Express X1 to X16, ensuring a perfect match with various high-end motherboards. Strong versatility, suitable for all PCI-E motherboards: Designed for all motherboards equipped with PCI-E bus, whether your motherboard is entry-level or high-end flagship, it can be easily accessed to achieve USB interface expansion and upgrade. Easy installation, save time and effort: The installation process is simple and quick, just insert the card into the PCI-E slot on the motherboard and connect it to the power supply of the computer. Complete the installation without complicated setup or expertise, making it easy for everyone to enjoy the benefits of the upgrade. Backward compatibility to protect your legacy investment: Not only does it perfectly support USB 3.0 devices, it's also backward compatible with USB 2.0 devices to ensure that your legacy devices get the most out of them. Whether it is the latest high-speed devices or legacy storage devices, it can be seamlessly connected to maximize the utilization of resources. Specifications: Color: Black Main control chip: VL805 Bus interface: PCI-E (1×, 4×, 8×, 16×) Number of interfaces: 2xUSB3.0 Type-A, 1xUSB3.1 Type-C Power supply interface: SATA 15PIN Support system: For Windows XP, for Windows 7, for Windows 8, for Windows 8.1, for Windows 10, etc. Package Included: 1 x Expansion Card 1 x Low Profile Bracket