Tripp Lite U360-004-SLIM 4-Port Portable Slim USB 3.0 Super Speed Hub with Built in Cable (U360-004-Slim)

Expands your laptop, Ultrabook or computer's USB 3.0 Port to 4 external USB 3.0 Ports

Bus-Powered unit requires no external power supply

Fits easily into your pocket, backpack, briefcase or laptop bag

Supports USB 3.0 Data transfer rates up to 5 gbps-10 times faster than USB 2.0