This bay allows you to convert an unused 3.5' floppy drive space into two USB 3.0 ports,come with 2-port usb 3.0 hub combo interface. USB 3.0 transfer speed 5Gbps,backward compatible with usb 2.0/1.1 System requirements: Windows 10 / 8 / 7 / Vista / XP / 2000 Hot-swapping. Plug and play. Easy to install, no external power needed Sturdy metal construction endures wear and tear, ensuring long-term use Simply fit the bay into the space with the screws provided, plug the bay into the USB 3.0 connector on the motherboard, and you're all set.