Did you know that, in addition to being supported on Exadata and Exalogic, SAP is also supported on the Sparc SuperCluster?
This Oracle Optimized Solution for SAP enables the consolidation of complex SAP landscapes onto a single platform that is designed, tested, and tuned to deliver the highest levels of performance and availability for data intensive SAP workloads.
Find more resources here, including the just-published whitepaper "Implementation Guide for Highly Available SAP on Oracle SPARC SuperCluster (January 2013)"