TRENDnet’s 4-Port USB (Universal Serial Bus) 3.0 Hub, model TU3-H4, instantly adds four 5 Gbps Super Speed USB (Universal Serial Bus) 3.0 ports to a computer. No CD installation required-simply plug in flash drives, storage enclosures, & other USB (Universal Serial Bus) 3.0 devices at speeds ten times faster than a USB (Universal Serial Bus) 2.0 connection. The TU3-H4 is also compatible with older USB (Universal Serial Bus) 2.0 & 1.1 ports. An included power adapter provides full power to connected, power hungry, USB (Universal Serial Bus) devices. Ease of Use Easy Setup No CD installation – just plug in Installation Flexibility Included 1 m (3 ft.) USB (Universal Serial Bus) 3.0 cable accommodates most installations Operating Systems Compatible with Windows, Mac, & Linux operating systems LED Indicator LED indicator confirms USB (Universal Serial Bus) connectivity Compatibility Compatible with older USB (Universal Serial Bus) 2.0 & 1.1 ports Performance Super Speed USB (Universal Serial Bus) 3.0 5 Gbps USB (Universal Serial Bus) 3.0 ports Power Optional adapter provides 15 Watts total power