This bay facilitates you to convert an unused 2.5" floppy drive space into two USB 3.0 ports‎.‎ It supports hot swappable‎,‎ plug and play‎,‎ no external power needed‎.‎ Quick access and easy installation‎,‎ 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.‎Features‎:‎It extends the USB 3.0 from mainboard to aidle floppy drive space‎,‎ plug and play‎,‎ supports hot plug‎.‎5000 times plugging test and 100% electrical test to ensure the high performance‎.‎Dual Highspeed USB 3.0 offers data transfer speeds up to 5Gbps‎(‎theoretically‎)‎‎,‎ and they backward compatible with USB 2.0/ 1.1‎.‎Superior quality ABS construction endures scratch and wear‎,‎ perfect in shape‎,‎ ensuring strong durability and long‎-term use‎.‎100% copper cable‎,‎ resistant to rust‎,‎ steady and safe operation‎.‎PIN plate gold 15UM‎,‎ more stable and quicker transmission rate of reading memory card‎.‎Built‎-in integration design‎,‎ in use of a set of screws‎,‎ making it tightly and closely fixed to the case‎.‎Compact size‎,‎ easy to carry‎,‎ lightweight‎,‎ user and environmental friendly‎.‎Specification‎:‎Material‎:‎ ABS + CopperPorts‎:‎ 2 * USB 3.0Color‎:‎ BlackData Transfer Rate‎:‎ Up to 5Gbps    Fits size‎:‎ 2.5 inches open bay space    Connector Type‎:‎ USB 3.0 Female to USB 3.0 20‎-Pin MaleCompliant with USB Version‎:‎ USB 1.1 / 2.0 / 3.0    Cable length‎:‎ 60cm / 23.6inItem weight‎:‎ Approx‎.‎ 100g / 3.5ozPackage size‎:‎ 14.2 * 11.2 * 3.8cm / 5.6 * 4.4 * 1.5in‎(‎L * W * H‎)‎Package weight‎:‎ 137g / 4.8ozPackage list‎:‎1 * USB 3.0 Front Panel4 * ScrewNote‎:‎ 1‎.‎ The package list without user manual‎.‎    2‎.‎ The 1‎-pin of the 20pin connector is blocked up for foolproof design‎.‎