Ativa 531-015 4-port USB 2.0 In-Desk Hub Space-saving, in-desk USB hub lets you connect your USB devices, including cameras, flash drives and printers. 4 Hi-Speed USB 2.0 ports provide transfer speeds of up to 480 Mbps. Backward compatible with USB 1.1. Fits easily into a 3" or 2" hole on desktop. Connects directly to your computer with the included USB cable. Includes 4-port USB hub, mounting ring, AC power adapter, USB cable and user manual USB-compatible with Windows 98SE/Me/2000/XP/Vista.