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Feature

Add 2 USB 3.0 ports to your laptop
Backward Compatible to USB 2.0 and USB 1.1
Transfer rates of up to 5Gbps - 10X faster than USB 2.0
Up to 900mA of power per port with the included power adapter
Connect up to 127 USB devices by cascading multiple hubs
Easy Installation, hot-swap compliant

Description

The 2-Port USB 3.0 ExpressCard (DUB-1320) instantly adds 2 USB 3.0 ports to your laptop, allowing you to connect USB devices such as external storage, digital cameras, printers, and more. Providing data rates of up to 5 Gbps - 10 times faster than USB 2.0