brand new and high quality Features: Fully compliant with USB 2.0 specifications, with support for transfer rates up to 480 Mbps. Supports USB 2.0 devices and fully backward for USB 1.1 devices. Connect up to 4 additional USB 1.0/1.1/2.0 peripherals to the computer simultaneously. Plug and for play, convenient to use. Specification: Model: TXB045 Material: PCB Baffle Size: approx.120mm/4.72in Color: As pictures shown Quantity: 1 Set Note: Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 1 Expansion Card 1 Driver