Specification :

USB Specification 2.0 Compliant
USB Ports 4 Port
Dimensions 70mm L x 70mm W x 23mm H
The MCW-UH2041 4-port USB 2.0 hub provides 4 Hi-Speed USB 2.0 ports for your high-speed connectivity needs. This device is USB 2.0 and provides a data transfer rate of up to 480 Mbps (high speed). It supports Windows® 98SE, 2000, ME, XP, Vista and Mac OS X or later. The WS-UH2041 also supports USB 1.1 devices since it is backward compatible with USB 1.1 specifications. It is very easy to use, Plug-n-Play, hot swappable and portable.

Features
4 USB 2.0 ports for easy expansion
Supports a data transfer rate of up to 480 Mbps
40 Times faster than USB 1.1 products
Plug-n-Play, hot swappable
Backward compatible with USB 1.1 specifications
Supports Windows 98, 98SE, 2000, ME, XP, Vista and Mac OS X or later version
Overcurrent Protection
LEDs allow for easy status monitoring
Self Powered (also available: optional power port)
USB cable tucks away when not in use

Specifications
Housing Case Plastic
LEDs 1 x Power on / 4 x Status
Power Consumption 5.0V,
Ports 4 downstream
Operating Temperature 20 to 50 degrees (Celsius)
Storage Temperature 0 to 70 degrees (Celsius)
Operating System Support Windows®, 98SE, 2000, ME, XP, Vista , MAC OS 8.6 or greater
USB Specification USB 1.1 and 2.0 compliant
Transfer Rate 480 Mbps
Humidity 20-80% RH, (Non Condensing)
Cable Length 4 ft. (.1.2 m.)
Power Connections DC adapter (Optional)
Cable Connections Hi-Speed USB Type A (female)

Requirements
For PC Users

Windows®98SE, 2000, ME, XP ,Vista
Available USB 2.0 port
For MAC Users

Mac 8.6 or greater. Requires OS X for USB 2.0 support
Available USB 2.0 port
Note: Optional power adapter (100-240V, DC5V 1A or 2A) may be required for use with power hungry devices such as external hard drives.