?Plug and play, no external power needed. USB 3.0 female to 20pin male design, extends the USB 3.0 from mainboard to a idle ODD space. Compatible System: Windows 8 / 7 / Vista / XP, Mac OS. Compliant with USB Version: USB 1.1 / 2.0 / 3.0. Data Transfer Rate: Up to 4.8Gbps. 5000 times Plugging test and 100% Electrical test to ensure the high quality.
