SIIG's SuperSpeed USB 3.0 4-Port Powered Hub expands a single USB connection from your laptop or desktop computer to four USB ports to enable multiple device connections. Specifications: -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 -Black Aluminum housing and molding with woven braided cable (5.91") adds extra durability Chipset: VIA VL813 Connectors: - 1 x USB 3.0 Type-A (9-pin) Male - 4 x USB 3.0 Type-A (9-pin) Female

WARRANTY: We provide 2 years warranty with high quality customer service. Please contact us with any questions or concerns. ALUMINUM HOUSING: offers durability and excellent heat dissipation for long life and reliable performance; Woven braided cable. AC POWER ADAPTER: provides external power source when needed (5V power adapter length up to 70in); Comes with Over-Current protection from unforeseen power surges. SUPPORTS: USB 3.0 transfer rates up to 5Gbps (640MBps), 10x faster than USB 2.0; Backward compatible with USB 2.0 or USB 1.1. Supports most Window 10, 8, 7, Vist, XP, & Mac OS X; Desktop updates need to be installed to ensure compatibility. 4 PORT EXPANSION: adds 4 extra USB ports to desktop or laptop system using a single USB connection.