Overview: The ProLiant 8500/DL760 Supported Upgrade Option Kit (PN 335206-B21) is supported in any ProLiant 8500 and ProLiant DL760 (700/900MHz). It enables you to upgrade from a ProLiant 8500 or a ProLiant DL760 to ProLiant DL760 G2 technology 2.8GHz-2M models only.