Gefen today announced the Ex-tend-it USB-500, which enables USB devices to be operated up to 1,650-feet from a computer. The US$799 USB-500 uses “Extreme USB” technology, has a four-port USB Hub built-in and employs fiber optic cables to connect the sender and receiver units. According to Gefen, the sender is connected to the computer; the receiver is connected to the USB peripheral. Both units are connected with fiber optics in lengths up to 1,650 feet.