Features: 1.5.25in USB 3.0 Front Panel Hub: Convert your 5.25in floppy drive space to 4 USB 3.0 ports. Improve the scalability of desktop computers to meet various needs. 2.5Gbps High Speed: USB 3.0 ports support data transfer speeds of up to 5Gbit/s for stable and efficient data transfer, backward compatible with USB 2.0 speed limits. 3.Stable Safe: Strong metal construction ensures long service life, durability, stability. A variety of safety protection measures, such as over current protection, over voltage protection and short circuit protection. 4.Wide Compatibility: Has a wide range of compatibility, compatible with for Windows 11/10/8.1/8/7 for Vista for XP, plug and play. 5.Easy Installation: Easy to install, providing a huge extension to your PC enclosure. Quickly add ports through the two 19 pin connectors available for connecting various external USB devices. specification:Item Type: 5.25in USB 3.0 Front Panel Hub Material: Iron Connector Type: Usb 3.0 to 19 Pin Extension Interface: 4 x USB3.0 Installation Location: Front Floppy Drive Location Installation Line Length: Approx. 60cm / 23.6in Transmission Rate: 5gbps (backward Compatible with Usb2.0/1.1) PackageList:1 x 5.25in USB 3.0 Front Panel Hub 5 x Screw 1 x Screwdriver