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.