IBM introduced its first Intel®-based servers featuring the IA-32 Intel Xeon(TM) Processor MP (code name "Foster" MP) and incorporating IBM's Enterprise X-Architecture(TM). The new eServer x360 marks the debut of IBM's XA-32 core chipset that features IBM's most advanced Copper Chip and Silicon-on-Insulator breakthroughs and mainframe-inspired technologies to help customers consolidate scores of Intel servers and reduce total cost of ownership.
UPDATE: Thanks Ian Bell for emailing us. I saw his email after I posted it :P
News source: Design Technica - IBM Ships Servers Based on Future Intel Xeon Processor MP