Specification: _x005f_x000D_ Origin: Mainland China _x005f_x000D_ Hign-concerned Chemical: None _x005f_x000D_ Support PCI 32-bit bus, bus speed is 33Mz, PC1 standard version 2.2 _x005f_x000D_ Support PCI bus main channel _x005f_x000D_ Plug and play compatible _x005f_x000D_ Model: TXB045 _x005f_x000D_ Material: PCB _x005f_x000D_ Product size: 120.00x110.00x10.00mm _x005f_x000D_ Product size: 4.72x4.33x0.39inch _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Note: _x005f_x000D_ Due to the different monitor and light effect, the actual color of the item might be slightly different from the color showed on the pictures. Thank you! _x005f_x000D_ Please allow 1-2cm measuring deviation due to manual measurement. _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ _x005f_x000D_ Included: _x005f_x000D_ 1 x  PCI Hub Controller Expansion Card 1. High-Speed Data Transfer: This pci hub controller expansion card fully complies with USB 2.0 specifications, supporting transfer rates of up to 480 Mbps, ensuring fast and efficient data transfer. 2. Wide Compatibility: The pci controller card supports USB 2.0 devices and is fully backward compatible with USB 1.1 devices, providing versatile connectivity options for various peripherals. 3. Expand Your Connectivity: With the adapter pci cards, you can connect up to 4 additional USB 1.0/1.1/2.0 peripherals to your computer, greatly enhancing your system's connectivity capabilities. 4. Easy Installation: The internal usb 2.0 pci card is designed for plug-and-play installation, making it easy to set up and use without the need for additional drivers or software. 5. Convenient and Efficient: The pci expansion to usb 2.0 adapter hub controller offers a simple and efficient solution to expand your USB ports, ensuring you have enough connections for all your devices.