Features: 1.CONVENIENT EXPANSION: USB front panel hub is suitable for the 5.25 inch chassis optical drive. By inserting the optical drive expansion panel, easily and quickly add 4 USB ports to meet users' needs for multiple external devices and expand the chassis's connectivity. 2.HIGH SPEED TRANSMISSION: The front panel hub provides 2 USB 3.0 ports and 2 USB 2.0 ports. The USB 3.0 interface can support a transmission rate of up to 5Gbps, which is more than 10 times faster than traditional USB 2.0 interfaces and can quickly transfer large capacity files, HD videos, sound, and more. 3.MULTI PORT: USB front panel hub provides a combination of 2 USB 3.0 ports and 2 USB 2.0 ports to meet the connection needs of different devices. Users can choose the appropriate port type based on their actual situation to achieve simultaneous connection and data transmission of multiple devices. 4.SIMPLE DESIGN: The front panel adopts a simple design style, with a delicate appearance that matches most chassis styles, making the entire chassis appearance more beautiful and tidy, while improving user satisfaction with the chassis. 5.SIMPLE INSTALLATION: USB front panel is easy and convenient to install, just plug it into the 5.25 inch chassis optical drive and connect it to the USB interface of the motherboard to complete the installation. There is no need for additional power and data cables, making it convenient and fast to use. specification:Item Type: USB Front Panel Material: ABS Port: 2 x USB3.0, 2 x USB2.0 PackageList: 1 x Panel 5 x Screw