Blazing-Fast Speeds: This expansion card supports SuperSpeed USB 10Gbps and SuperSpeed USB 5Gbps, delivering lightning-fast data transfer rates Comprehensive USB Support: The card is compatible with High-Speed 480Mbps, Full-Speed 12Mbps, and Low-Speed 1.5Mbps USB standards, ensuring backward compatibility with USB 3.0, USB 2.0, and USB 1.1 devices Versatile Power Delivery: The card can draw power from the PCI Express interface or a 4-pin power connector, providing up to 15W (5V/3A) for the USB Type-C port and up to 4.5W (5V/900mA) for the USB Type-A ports xHCI Specification Compliance: The expansion card adheres to the eXtensible Host Controller Interface (xHCI) specification 1.1, enabling seamless integration and compatibility with a wide range of operating systems Specifications: Model: TXB055 Chipset: VIA/VL805 Ports: 2 x USB Type-A, 1 x USB Type-C Interface: PCI Express 1x Slot Dimensions: 120 x 70 x 68mm Operating Temperature: 0 to 50℃ Storage Temperature: 0 to 80℃ Relative Humidity: 10% to 90% (non-condensing), 5% to 90% (non-condensing) for storage Supported Operating Systems: Windows 10, 8/8.1, 7, Vista, XP (32/64-bit) Windows Server 2012, 2008 R2, 2003 (32/64-bit) For MacOS 10.x (Intel-based, tested up to 10.9) Linux 2.4.x and later (tested up to 3.5)