Anker AH121 USB 3.0 7-Port Hub with 36W Power Adapter [12V 3A High-Capacity Power Supply and VIA VL812 Chipset] SuperSpeed USB 3.0 ports support data transfer rates of up to 5Gbps. (The actual transfer rate will depend on the capability of your device). Backward compatible with USB 2.0 / 1.1. Solid port construction and industrial-grade material endure years of use. 7 blue LED indicators indicate the power and USB connection status. Built-in surge protection, a high-grade chipset and a 36W adapter guarantee stable operation. Plug-and-play. Supports hot swapping. No install driver needed. Package includes: Anker USB 3.0 7-port Hub, 4 ft 12V 3A power adapter, 3.3 ft USB 3.0 cable, user manual. Free lifetime technical support and 18-month manufacturer's warranty.