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:The 10-port software license upgrade provides pay-as-you grow upgradeability for both QLogic and McDATA 10-port 4 Gb switch modules. The unlicensed additional 10 ports of the switch are enabled when this license key feature is installed;Enables 7 internal (server) ports and 3 external switch ports;Provides a non-disruptive method to upgrade the 10-port switch to support all 14 server bays and 6 external ports.