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
2.9 x 1.46 x 0.41 inches / 1.02 ounces
Windows XP / Vista / 7 / 8 (32bit or 64bit); Mac OS 10.2.8 or later; Linux Kernel 2.6.30 or later