1,Extensive Compatibility: Compatible with for Windows 11 10 8.1 8 7 Vista XP. Converts 25in floppy drive space into 2 USB 0 ports Increase the scalability of your desktop PC to meet various needs. 2,5Gbps High Speed: USB 0 ports support data transfer speeds up to 5Gbit or s, 10 times faster than USB 0 (480Mbps) for stable and efficient data transfer, backward compatible with USB 0 speed limits, plug and play. 3,Easy Installation: Offers great expansion for PC enclosures. Quickly add ports for connecting various external USB devices via the available 1 x 19 pin connector. 4,Stability and Security: Sturdy metal construction ensures long life and durability, with 6 screws included in the package for added stability. 5,Multiple Protections: Multiple safety protections such as over current protection, over voltage protection and short circuit protection. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.