USB Hub D-Link DUB-H7:Compact USB hub in an external design with seven ports and USB 2.0 support. The maximum communication speed is up to 480 Mbit / s. It is suitable for devices such as mice, keyboards, joysticks, memory card readers, printers and other USB devices.Up to Seven USB 2.0 PortsCompact USB hub with an external design with seven ports and USB 2.0 support. The maximum communication speed is up to 480 Mbit/s. It is suitable for mouse devices, keyboards, joysticks, memory card readers, printers and other USB devices.This photo is disabled from the colourbox and will not be displayed in it. This photo is disabled from the colourbox and will not be displayed in it. Excellent CompatibilityA built-in power adapter helps with more power-intensive devices such as scanners, external hard drives, and more. Another advantage is the indication diode for easy operation control. Parameters and Specifications:Standards:USB 2.0, USB 1.1, USB 1.0OHCI (Open Host Controller Interface)EHCI (Enhanced Host Controller Interface)Ports:1 x USB type B (upstream)7 x USB Type A (downstream)Supported OS:Mac OS X 10.1 and higherMicrosoft Windows XP, ME, 2000, 98SEOther Features:Transmission speed up to 480MbpsUp to 127 devices can be connectedPlug-n-PlayExternal power adapter includedLoads up to 500 mA per portDimensions:99.6 × 59.5 × 25.7mm