SIIG SuperSpeed USB 3.0 4-Port Powered Hub

Adds 4 USB ports to desktop or laptop system using a single USB connection Supports USB 3.0 data transfer rates up to 5Gbps and backward compatible with USB 2.0 or USB 1.1 The included AC power adapter provides external power source when needed - great for power-hungry devices such as external storage devices Ultra-slim design with built-in USB cord makes this USB hub an ideal expansion companion while on-the-go Over-Current protection feature further protects the hub from unforeseen power surges Aluminum housing and molding with woven braided cable adds extra durability More from the Manufacturer