As a global leader in the PC market, IBM develops, manufactures and markets cutting-edge, reliable, high-quality PC products and value-added professional services that provide customers around the world with smarter ways to be productive and competitive.PRODUCT FEATURES:Enables an additional seven internal (server) ports and three external switch ports;Provides a non-disruptive method to upgrade the 10-port switch to support all 14 server bays and 6 external ports;Support for I/O module slots 3 or 4 of the IBM BladeCenter;Offers 3 external auto-sensing U ports (F, FL, or E) (This module can be upgraded to enable all 6 external ports.);Delivers 2 internal 100 Mbs Ethernet links for switch setup and management.