We also order a TestServer from IBM, the x3950 M2 with 64 Core and 128 GB Memory, this Server should have arround 70000 SAPS.
this is only 1 Node with 4 Sockets, now connect 4 Node –> 16 Socket with Intel Tigerton QuadCores over the IBM x4 Architecture and you have the biggest x86_64 Server in the market.