Tendak USB 3.0 4-Ports 3.5 inch Metal Front Panel USB Hub with 15 Pin SATA Power Connector [ 20 Pin Connector & 2ft Adapter Cable] This bay allows you to convert an unused 3.5" floppy drive space into 4 USB 3.0 ports Plug and Play,15-pin SATA power connector to power USB devices from your PC power supply Super-Speed USB 3.0 supports data transfer speeds up to 5 Gb/s (maximum). Backward compatible with USB 2.0 / 1.1. Compatible with Windows XP/Vista/7/8/8.1 Sturdy metal construction endures wear and tear, ensuring long-term use