3COM ® SUPERSTACK ® 3 SWITCH 4400 FAMILYVisit www.3com.com for more information about 3Com secure converged network solutions.3Com Corporation, Corporate Headquarters, 350 Campus Drive, Marlborough, MA 01752-30643Com is publicly traded on NASDAQ under the symbol COMS.Copyright © 2006 3Com Corporation. All rights reserved. 3Com, the 3Com logo, IntelliJack, NBX, SuperStack, and XRN are registered trademarks and Express andGuardian are service marks of 3Com Corporation. All other company and product names may be trademarks of their respective companies. While every effort ismade to ensure the information given is accurate, 3Com does not accept liability for any errors or mistakes which may arise. Specifications and other information inthis document may be subject to change without notice. 400679-017 05/06PRODUCT DESCRIPTION 3COM SKU3Com SuperStack 3 Switch 4400 24-port 3C172033Com SuperStack 3 Switch 4400 48-port 3C172043Com SuperStack 3 Switch 4400 PWR 3C17205Optional Modules and Accessories3Com SuperStack 3 Switch 4400 1000BASE-T Module 3C172203Com SuperStack 3 Switch 4400 1000BASE-SX Module 3C172213Com SuperStack 3 Switch 4400 100BASE-FX Module 3C172223Com SuperStack 3 Switch 4400 1000BASE-LX Module 3C172233Com SuperStack 3 Switch 4400 100BASE-LX10 Module* 3C172293Com SuperStack 3 Switch 4400 Stacking Kit 3C17227(Two stacking modules and cable to stack two Switch 4400s)3Com SuperStack 3 Switch 4400 Stack Extender Kit 3C17228(One stacking module, one cascade module and one cable for adding more Switch 4400sto an existing Switch 4400 stack)ExpressSM Service Plans† Americas EMEA / AP‡3Com SuperStack 3 Switch 4400 24-port 3CS-EXP-05E 3CS-EXP-X3053Com SuperStack 3 Switch 4400 48-port 3CS-EXP-08E 3CS-EXP-X3093Com SuperStack 3 Switch 4400 PWR 3CS-EXP-06E 3CS-EXP-X307* Switch 4400 software version 5.1, minimum, required for operation.† Includes telephone support, advance hardware replacement, and software upgrades.‡ Europe, Middle East, Africa and Asia PacificORDERINGINFORMATION