* USB 1.1 and 2.0 Compliant
* Fully Backward Compatible with USB 1.1
* Up to 480 Mbps (Megabits-Per-Second) Data Transfer Rate
* 40 Times Faster than USB 1.1
* Four Independent, Fully Functional, Downstream Ports
* Hot Swappable Plug-n-Play
* 4 USB Type A Ports
* Supports high-speed (480Mbps), full-speed (12Mbps), and low-speed (1.5Mbps) data transfer modes
* Supports simultaneous operation of multiple high-speed USB 2.0 and USB 1.1 devices
* Hot-swapping feature allows you to attach/detach USB devices without powering your computer off
* Support Windows 2000, XP, Vista

Specifications:

Chipset: NEC 101
Bus Interface: USB 2.0
Connectors: 4 x Type A USB ports

System Requirements:
PC:
* Windows® 2000, XP, Vista
* Available USB 2.0 port

Mac:
* Mac OS 8.6 or greater. Requires OS X for USB 2.0 support
* Available USB 2.0 port