Features

One upstream port and four (#29508) or seven (#29509) downstream ports

Removable aluminum base can be hard-mounted to your desk

Slim design saves space on your desktop Connect up to 127 USB devices by daisy-chaining hubs

Fully compatible with USB 2.0 Specification

Fully backward Compatible with USB 1.1 Specification

Supports transfer rates of up to 480 Mbps

AC power supply included

Downstream ports have automatic connect and speed detection function plus over-current protection with auto recovery

Supports Windows 98SE/2000/ME/XP/Vista/7 and Mac OS X or higher