This USB hub from Entrega Technologies provides a Mac with seven additional USB ports for scanners, modems, printers, digital cameras, joysticks, and other items. Entrega hubs are designed for stackability so they can run up to 127 USB peripherals from a single USB port. Dual-color LEDs indicate power and port status. Installation is simple, and there's no need to open the computer. The hub features individually switched ports so that if one device fails, the rest will continue operating. Entrega's auto-recovery technology ensures that if a port shuts down, it will automatically reset itself when a new device is plugged in. Included with the hub are a 2-meter USB cable, a 3.7 amp AC-power supply, an instruction book, and a full three-year "fix it or replace it" warranty.

• Full compliance with USB specification Ver 2.0/1.1 • Supports 480 Mbps Full Speed and 1.5 Mbpss data transter modes • Downstream ports with feature of automatic connecton, speed detection, over-current protection and auto recovery • One LED indicates the hub is power-on • Supports self and bus powered mode, hot plug & play • Supports simultaenous operation of multiple USB 2.0 devices

Belkin Components : USB Hub, 2.0, 4-Port, Plug n Play Connectivity, Dark Brown Hi-Speed USB 2.0 Four-Port Hub lets you connect up to four peripherals quickly and easily. Four downstream USB ports offer Plug-and-Play connectivity to your USB 1.1 (low-speed and full-speed) and USB 2.0 (high-speed) devices and such peripherals as scanners, printers, mass-storage drives, and high-resolution cameras. Design features two top-loading USB ports for quick access and requires no external power supply for most devices. The hub is self-powered and allows cascading so up to 127 USB devices can be connected to a single port. Unique design allows the four downstream ports to be positioned toward the back of the desktop for efficient cable management or to the front for easier port access. Hub includes... Less

The USBG-12U2ML2.0 is a Hi-Speed USB 2.0 12-port hub that is backward compatible with USB 1.0 and 1.1. It provides an out of the box industry standard that allows connection of up to 12 USB peripherals or devices to your USB ready PC or Mac. The USBG-12U2ML is targeted at PC and Mac Industrial Application users that are expanding the number of USB ports on their system. Designed to provide quick and easy access, the USBG-12U2ML provides four type "A" downstream ports for connecting USB peripherals, devices, or other USB hubs. A single type "B" upstream port connects the USBG-12U2ML to the host computer or another USB hub, enabling up to 127 devices to be connected by cascading multiple hubs. Configured directly by the operating system, the USBG-12U2ML operates seamlessly with both... Less