| List | 
                        Rank | 
                        System | 
                        Vendor | 
                        Total Cores | 
                        Rmax (GFlop/s) | 
                        Rpeak (GFlop/s) | 
                        Power (kW) | 
                    
                    
                    
                        
                            | 11/2012 | 
                            331 | 
                            xSeries iDataPlex, Xeon E5645 6C 2.400GHz, Infiniband | 
                            
                                IBM
                            
                             | 
                            11,088 | 
                            94.69 | 
                            106.44 | 
                            
                                228.22 | 
                        
                    
                        
                            | 06/2012 | 
                            203 | 
                            xSeries iDataPlex, Xeon E5645 6C 2.400GHz, Infiniband | 
                            
                                IBM
                            
                             | 
                            11,088 | 
                            94.69 | 
                            106.44 | 
                             | 
                        
                    
                        
                            | 11/2011 | 
                            265 | 
                            iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 | 
                            
                                IBM
                            
                             | 
                            8,000 | 
                            66.68 | 
                            72.32 | 
                            
                                222.00 | 
                        
                    
                        
                            | 06/2011 | 
                            154 | 
                            iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 | 
                            
                                IBM
                            
                             | 
                            8,000 | 
                            66.68 | 
                            72.32 | 
                            
                                222.00 | 
                        
                    
                        
                            | 11/2010 | 
                            113 | 
                            iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 | 
                            
                                IBM
                            
                             | 
                            8,000 | 
                            66.68 | 
                            72.32 | 
                            
                                222.00 | 
                        
                    
                        
                            | 06/2010 | 
                            83 | 
                            iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 | 
                            
                                IBM
                            
                             | 
                            8,000 | 
                            66.68 | 
                            72.32 | 
                            
                                222.00 | 
                        
                    
                        
                            | 11/2009 | 
                            74 | 
                            iDataPlex, Xeon E55xx QC 2.26 GHz, Infiniband, Windows HPC2008 R2 | 
                            
                                IBM
                            
                             | 
                            8,000 | 
                            66.68 | 
                            72.32 | 
                            
                                222.00 |