SIIG 10 Port USB Hub with 9 USB 3.0 Data ports and 1 charging port, 12V/5A Power Adapter, for Tablets, Smartphones, Hard Disk Aluminum 10 port USB hub: Add 9 SuperSpeed USB 3.0 ports with 900mA power output on each USB 3.0 port, and a dedicated 1 5V/2.1A charging port to your system. Included 12V/5A power adapter to provide sufficient power output for all ports Ultra-fast: Supports ultra-fast data transfer rates of up to 5 Gb/s (10 times faster than USB 2.0) and is backward compatible with USB 2.0 and USB 1.1 devices Works with high-bandwidth USB 3.0 devices, such as external hard disks, high resolution webcams, camcorders, video surveillance cameras, digital video cameras, multi-channel audio and more Certified safety: Built-in heat dissipating and over-current protection technology to protect the hub and connected devices. As a US-based leading manufacturer of computer connectivity products since 1985, we keep provide our customers high quality products and service. Our products are backed by our experienced tech support team and two years warranty. Please contact us with any questions or concerns. We will get back to you within 24 hours