Features: 1.Broad Compatibility: 4 ports USB 3.0 front panel is compatible with for Windows 11 10 8.1 8 7 Vista XP. Converts your 5.25 inch floppy drive space into 4 USB 3.0 ports. 2.5Gbps High Speed: USB 3.0 ports support data transfer speeds of up to 5Gbit/s for stable and efficient data transfer, and are backward compatible with USB 2.0 speed limits. 3.Easy Installation: Increases the scalability of your desktop PC to meet a variety of needs. Easy to install and offers great expansion for your PC enclosure. 4.Two 19 Pin Connectors: USB 3.0 hub optical drive front panel quickly adds ports for connecting a variety of external USB devices via the two available 19 pin connectors. 5.Multiple Security Protections: USB 3.0 optical drive front panel has multiple safety protections such as over current protection, over voltage protection and short circuit protection. specification:Item Type: USB3.0 Hub Front Panel Material: ABS Connector Type: USB 3.0 to 19 Pin Extension Interface: 4 x USB 3.0(backward Compatible with USB 2.0/1.1) Installation Position: Front Floppy Drive Position Installation Cable Length: Approx. 60cm/23.6in Transmission Rate: 5Gbps PackageList: 1 x USB3.0HubFrontPanel 5 x Screw