Type: USB Standards: USB 2.0/1.1 Ports: 4 x USB 2.0 Features: Fits into a 3-inch hole in your desk, for quick access Includes mounting ring that secures Hub Offers quick way to plug in drives, cameras, and more Lets you easily plug in devices, right on your desktop Saves valuable space System Requirements: For PC Users Pentium processor-based computer with Hi-Speed USB 2.0 port available Windows 98 SE, 2000, Me, XP, or Vista For Mac Users Mac OS 8.6 or higher for full-speed USB Mac OS X v10.2.7 or higher for Hi-Speed USB 2.0 (480Mbps) Package Contents: F5U402-03IN-KIT Power Adapter USB Cable