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 The 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

Connectors:
4 x Typa 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