4-Port Hub USB 2.0 Powered Black USB 2.0 hub to connect to a desktop PC or notebook to expand it with additional USB ports and connect USB flash drives, mice, printers, network adapters and other devices. It is equipped with an external power supply which enables the support of high-power

•10/100/1000 Auto MDI-X ports automatically detect optimal network speeds •High performance, half and full duplex, with zero packet loss •Full flow control support provides optimum performance •Green Ethernet power-saving technology deactivates unused ports and adjusts power levels based on the cable length •Auto-learning of network configuration •Supports jumbo frames up to 9 kBytes •Store and forward switching architecture •Non-blocking wire-speed forwarding and filtering •Fanless design ideal for silent operation •Rugged metal housing for maximum durability •Three-Year Warranty