Transcend Information SuperSpeed USB 3.0 4-Port Hub (TS-HUB2K)

Comes with 4 USB 3.0 Ports and USB cable attached
Up to 10x faster than USB 2.0
Support USB powered, no extra power adapter needed
Backwards compliant with USB 2.0
Ultra slim and portable design

Ideal for use with today’s Ultrabooks and thin-and-light laptops, Transcend’s SuperSpeed USB 3.0 Hub transforms a single USB 3.0 port into four, instantly expanding the number of high-performance USB 3.0 devices you can connect to your computer at the same time.

As it is USB bus powered with the cable attached, no extra power adapter is needed. Plus, the ultra slim and portable design allows you to transfer files wherever you go.