Model: SGH40
1, Adds 4 USB2.0 Hi-Speed ports 2, Fully Compliant with USB2.0 Specification 3, Surpports up to 127 Hi-Speed devices 4, Backwards compatible With USB1.1 5, Support data transfer rate at 1.5/12/480 Mbps 6, Individual Port Over-Current Protection 7, Friendly&ergonomic design,easily potable. 8, Provide up to 500mA per port sufficient for diverse devices 9, Support Windows 98, Windows 2000, Windows ME,Windows XP. 10, Support Mac OS 8.6 or above. 11, Hi-Speed Upstream port with Mini USB 5P jack. 12, Size: 7.5*3.8*1.2cm