Tripp Lite 4-Port USB 2.0 Hi-Speed Hub (U225-004-R) 4-Port USB2.0 Hub Supports Hi-Speed data transfer rates up to 480 Mbps Meets or Exceeds USB 2.0 Specifications Hot Pluggable Includes 4ft USB 2.0 Computer to Hub cable 3-year limited warranty Device Type - Mini-USB 2.0 4-Port Hub Form Factor - N/A Dimensions WxDxH - 3.25x2.75x0.75(inch) Dimensions WxDxH - 3.25x2.75x0.75(inch) Dimensions WxDxH - 3.25x2.75x0.75(inch)