IOGEAR USB 2.0 Booster Extension Cable, 39 Feet, GUE2118 Daisy chainable up to 3x GUE2118 to support up to 117 ft Built-in booster chipsets amplify high-speed USB signals Plug-and-Play, no drivers or power supply needed PC or MAC Compatible TAA compliant USB 2.0 transfer rates up to 480 Mbps