Plugable USB 2.0 7-Port High Speed Hub with 15W Power Adapter USB 2.0 7-Port High Speed Hub. Includes a robust 15W 5V 3A power adapter. (US AC Wall Outlet Plug, 100-240V 50/60Hz) Hub enables connecting 7 additional USB devices. Forwards and backwards compatible with all USB 3.0, 2.0, or 1.1 host controllers and devices on Windows, Mac, and Linux/Unix computers at USB 2.0 speeds up to 480 Mbps. Transfer rates are device and USB host controller dependent. Fully plug and play, devices can be hot-plugged, supports USB over-current protection. Requires no driver installation (although individual devices may require drivers). Compatible with all USB hosts that support USB hubs including devices such as the Wii, PlayStation, XBOX, Tivo, etc. Does not provide sufficient power for devices such as iPhones, iPads, tablets, etc. Apple notes: Note that some devices such as the Apple SuperDrive look for Apple-specific signaling and will not work when connected through any USB hub. Compact design. Two convenient verical USB ports with a sliding panel to protect ports from dust when not in use. Easy to diagnose device connectivity with separate per-port blue LEDs for each attached USB device and a red master power LED.