With two top-load USB ports, the Belkin F5U304-BRN lets you connect up to four devices quickly and easily. You can now enjoy fast access for temporary device connections such as USB thumb drives, media readers, and USB lights, fans, and other accessories. An internal weight and stay-put pads keep the hub anchored to the desk. Its stackable, slim-line design saves valuable desk space and the hub works seamlessly with all your USB 1.1 and USB 2.0 devices on almost any operating system, including Windows and Mac. The F5U304-BRN is Plug-n-Play, so it can be plugged into any computer without reconfiguration. A valuable addition to any computer, the Belkin F5U304-BRN is a great way to expand your peripheral connections. Type: USB Standards: USB 2.0/1.1 Ports: 1 x USB Type-B , 4 x USB Type-A Transfer Rate: 1.5/12/480Mbps Windows Vista: Works with Windows Vista Features: Adds up to 4 USB devices to your computer Features 2 top-load USB ports for quick access Includes an internal weight and stay-put pads to keep Hub anchored to the desk Requires no external power supply (for most devices) Prevents damage to your computer and devices with over-current protection Parts: Lifetime limited Labor: Lifetime limited