VisionTek USB 3.0 7 port Hub - Charge and Sync - 900725 Adds seven ports to your PC or Mac Three use modes Data transfer rate up to 5 Gb/s is ideal for high-throughput devices No driver install required - just Plug and Play connect to your PC or Mac LED indicator lights show which USB ports are in use at any given time Adds seven ports to your PC or Mac (Four USB 3.0 charge up to 900mA and sync, two 1amp charge only, one 2amp charge only) 3 use modes: Computer and AC adapter, Computer by USB cable for high speed data transfer, AC adapter for high power charging via all seven ports. Data transfer rate up to 5Gb/s (600MB/s) is ideal for high-throughput devices such as USB hard drives, flash drives, and USB video adapters No driver install required... just Plug and Play connect to your PC or Mac LED indicator lights show which USB ports are in use at any given time