| List | 
                        Rank | 
                        System | 
                        Vendor | 
                        Total Cores | 
                        Rmax (TFlop/s) | 
                        Rpeak (TFlop/s) | 
                        Power (kW) | 
                    
                    
                    
                        
                            | 06/2013 | 
                            498 | 
                            PE1950/SF X2200/iDPx/IBM dx340/HP DL165 Intel 53xx/54xx 2.33, Opteron 2.3, E5410 2.33GHz Myrinet 10G | 
                            
                                Dell/Sun/IBM
                            
                             | 
                            13,616 | 
                            96.92 | 
                            123.63 | 
                             | 
                        
                    
                        
                            | 11/2012 | 
                            318 | 
                            PE1950/SF X2200/iDPx/IBM dx340/HP DL165 Intel 53xx/54xx 2.33, Opteron 2.3, E5410 2.33GHz Myrinet 10G | 
                            
                                Dell/Sun/IBM
                            
                             | 
                            13,616 | 
                            96.92 | 
                            123.63 | 
                             | 
                        
                    
                        
                            | 06/2012 | 
                            194 | 
                            PE1950/SF X2200/iDPx/IBM dx340/HP DL165 Intel 53xx/54xx 2.33, Opteron 2.3, E5410 2.33GHz Myrinet 10G | 
                            
                                Dell/Sun/IBM
                            
                             | 
                            13,616 | 
                            96.92 | 
                            123.63 | 
                             | 
                        
                    
                        
                            | 11/2011 | 
                            128 | 
                            PE1950/SF X2200/iDPx/IBM dx340/HP DL165 Intel 53xx/54xx 2.33, Opteron 2.3, E5410 2.33GHz Myrinet 10G | 
                            
                                Dell/Sun/IBM
                            
                             | 
                            13,616 | 
                            96.92 | 
                            123.63 | 
                             | 
                        
                    
                        
                            | 06/2011 | 
                            96 | 
                            PowerEdge 1950/SunFire X2200/iDataPlex/IBM dx340  Intel 53xx/54xx 2.33Ghz, Opteron 2.3 Ghz, E5410 2.33GHz Myrinet 10G | 
                            
                                Dell/Sun/IBM
                            
                             | 
                            12,528 | 
                            92.48 | 
                            115.26 | 
                             |