| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 101 | Lawrence Livermore National Laboratory United States | xSeries Cluster Xeon 2.4 GHz - Quadrics IBM | 1920 | 2003 | 6.59 | 9.22 |
| 102 | NERSC/LBNL United States | eServer pSeries p5 575 1.9 GHz IBM | 976 | 2005 | 6.42 | 7.42 |
| 103 | NASA/Goddard Space Flight Center United States | Explore - SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, Infiniband SGI | 1152 | 2005 | 6.31 | 6.91 |
| 104 | University of North Carolina United States | Topsail - PowerEdge 1855, 3.6 GHz, Infiniband Dell | 1040 | 2006 | 6.25 | 7.49 |
| 105 | Lawrence Livermore National Laboratory United States | Lilac - xSeries x335 Cluster, Xeon 3.06 GHz, Quadrics IBM | 1540 | 2004 | 6.23 | 9.43 |
| 106 | Technische Universitaet Dresden Germany | Deimos - Opteron dual core 2.6 GHz, Infiniband Linux Networx | 2584 | 2006 | 6.19 | 13.44 |
| 107 | Grid Technology Research Center, AIST Japan | AIST Super Cluster P-32 - AIST Super Cluster P-32, Opteron 2.0 GHz, Myrinet IBM | 2200 | 2004 | 6.16 | 8.80 |
| 108 | NCSA United States | Tungsten 2 - PowerEdge 1850, 3.6 GHz, Infiniband Dell | 1024 | 2005 | 6.12 | 7.37 |
| 109 | NCSA United States | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink SGI | 1024 | 2005 | 6.03 | 6.55 |
| 110 | SharcNet Canada | Whale - Cluster Platform 4000 DL145 Opteron 2.2 GHz Dual Core GigEthernet Hewlett-Packard | 3072 | 2006 | 6.02 | 13.52 |
| 111 | Tohoku University, Institute of Fluid Science Japan | SGI Altix 3700 Bx2, 1.6 GHz, NUMALink, 10GigEthernet SGI | 1024 | 2006 | 6.01 | 6.55 |
| 112 | Norwegian University of Science and Technology Norway | eServer pSeries p5 575 1.9 GHz IBM | 960 | 2006 | 6.00 | 7.30 |
| 113 | Telecommunication Company United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1728 | 2006 | 5.97 | 11.06 |
| 114 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | Altix 4700 1.6 GHz SGI | 1024 | 2006 | 5.96 | 6.55 |
| 115 | Mississippi State University United States | Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, GigEthernet Sun Microsystems | 2048 | 2006 | 5.86 | 10.65 |
| 116 | SharcNet Canada | Requin - Cluster Platform 4000 DL145, Opteron 2,6 GHz, Quadrics Hewlett-Packard | 1536 | 2006 | 5.75 | 7.99 |
| 117 | Lawrence Livermore National Laboratory United States | eServer pSeries p5 575 1.9 GHz IBM | 864 | 2005 | 5.74 | 6.57 |
| 118 | Seoul National University Korea, South | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet IBM | 968 | 2005 | 5.62 | 8.52 |
| 119 | Forschungszentrum Juelich (FZJ) Germany | JUMP - eServer pSeries 690 (1.7 GHz Power4+) IBM | 1312 | 2004 | 5.57 | 8.92 |
| 120 | Geoscience (P) Malaysia | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 2240 | 2006 | 5.52 | 9.86 |
| 121 | DOE/Bettis Atomic Power Laboratory United States | Atipa Cluster, Opteron 2.6 GHz, Myrinet Atipa Technology | 1302 | 2006 | 5.47 | 6.77 |
| 122 | DOE/Knolls Atomic Power Laboratory United States | Atipa Cluster, Opteron 2.6 GHz, Myrinet Atipa Technology | 1302 | 2006 | 5.47 | 6.77 |
| 123 | University of Oklahoma United States | Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband Dell | 1024 | 2005 | 5.44 | 6.55 |
| 124 | Universität Erlangen Germany | Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband Hewlett-Packard | 728 | 2006 | 5.42 | 8.74 |
| 125 | National Aerospace Laboratory of Japan Japan | PRIMEPOWER HPC2500 (1.3 GHz) Fujitsu | 2304 | 2002 | 5.41 | 11.98 |
| 126 | Universidad Nacional Autonoma de Mexico Mexico | Cluster Platform 4000 DL145 Opteron Dual Core 2.6 GHz Infiniband Hewlett-Packard | 1360 | 2006 | 5.09 | 7.07 |
| 127 | Financial Institution (J) United Kingdom | Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet Hewlett-Packard | 1880 | 2006 | 5.04 | 9.02 |
| 128 | KTH - Royal Institute of Technology Sweden | Lenngren - PowerEdge 1850, 3.4 GHz, Infiniband Dell | 886 | 2005 | 5.00 | 6.03 |
| 129 | Japan Meteorological Agency Japan | SR11000-J1/50 Hitachi | 50 | 2005 | 4.99 | 6.08 |
| 130 | Amdocs United States | SuperDome 1.1 GHz/HyperPlex Hewlett-Packard | 2176 | 2006 | 4.98 | 9.57 |
| 131 | Financial Institution (Q) France | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 2000 | 2006 | 4.92 | 8.80 |
| 132 | Financial Services (M) United Kingdom | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 2000 | 2006 | 4.92 | 8.80 |
| 133 | Financial Services (M) United Kingdom | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 2000 | 2006 | 4.92 | 8.80 |
| 134 | Financial Institution (H) Australia | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1420 | 2006 | 4.91 | 9.09 |
| 135 | Adam Opel AG Germany | eServer pSeries p5 575 1.9 GHz IBM | 720 | 2005 | 4.78 | 5.47 |
| 136 | Digital Media Company (E) United States | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet Hewlett-Packard | 1500 | 2006 | 4.77 | 9.18 |
| 137 | Los Alamos National Laboratory United States | Coyote B - Opteron 2.6 GHz, Infiniband Linux Networx | 1080 | 2005 | 4.72 | 5.62 |
| 138 | Argonne National Laboratory United States | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 139 | Boston University United States | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 140 | CERT - Centre of Excellence for Applied Research and Training United Arab Emirates | eServer Blue Gene Solution IBM | 2048 | 2006 | 4.71 | 5.73 |
| 141 | Iowa State University United States | CyBlue - eServer Blue Gene Solution IBM | 2048 | 2006 | 4.71 | 5.73 |
| 142 | Lawrence Livermore National Laboratory United States | eServer Blue Gene Solution IBM | 2048 | 2006 | 4.71 | 5.73 |
| 143 | MIT United States | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 144 | NCAR (National Center for Atmospheric Research) United States | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 145 | NIWS Co, Ltd Japan | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 146 | Princeton University United States | Orangena - eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 147 | Renaissance Computing Institute (RENCI) United States | eServer Blue Gene Solution IBM | 2048 | 2006 | 4.71 | 5.73 |
| 148 | University of Edinburgh United Kingdom | eServer Blue Gene Solution IBM | 2048 | 2005 | 4.71 | 5.73 |
| 149 | Sun Trust Florida United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1344 | 2006 | 4.64 | 8.60 |
| 150 | Government Classified United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet Hewlett-Packard | 1000 | 2005 | 4.62 | 6.80 |
| 151 | Government Classified United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet Hewlett-Packard | 1000 | 2005 | 4.62 | 6.80 |
| 152 | Brookhaven National Laboratory United States | IBM QCDOC, PowerPC 440, 400 MHz, 6D-Torus IBM | 8192 | 2006 | 4.61 | 6.55 |
| 153 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | Altix 4700 1.6 GHz SGI | 768 | 2006 | 4.60 | 4.92 |
| 154 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL) United States | Altix 4700 1.6 GHz SGI | 768 | 2006 | 4.60 | 4.92 |
| 155 | RQCHP Canada | Altix 4700 1.6 GHz SGI | 768 | 2006 | 4.60 | 4.92 |
| 156 | Hokkaido University Japan | SR11000-K1/40 Hitachi | 40 | 2005 | 4.60 | 5.38 |
| 157 | Wells Fargo United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1280 | 2006 | 4.58 | 8.19 |
| 158 | Wells Fargo United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1280 | 2006 | 4.58 | 8.19 |
| 159 | Max-Planck-Gesellschaft MPI/IPP Germany | eServer pSeries p5 575 1.9 GHz IBM | 688 | 2005 | 4.56 | 5.23 |
| 160 | University of Illinois United States | Turing - XServe G5 2GHz, Myrinet Self-made | 1024 | 2005 | 4.56 | 8.19 |
| 161 | Kyoto University Japan | PRIMEPOWER HPC2500 (1.56 GHz) Fujitsu | 1472 | 2004 | 4.55 | 9.19 |
| 162 | Bank (K) Belgium | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1300 | 2006 | 4.49 | 8.32 |
| 163 | Sun United States | SSC_x4600 - Fire x4600 Cluster, Opteron 2.6 GHz dual core Sun Microsystems | 1152 | 2006 | 4.49 | 5.99 |
| 164 | Pittsburgh Supercomputing Center United States | AlphaServer SC45, 1 GHz Hewlett-Packard | 3016 | 2001 | 4.46 | 6.03 |
| 165 | US Army HPC Research Center at NCS United States | Cray XT3, 2.4 GHz Cray Inc. | 1152 | 2006 | 4.44 | 5.53 |
| 166 | Imperial College ICT HPC United Kingdom | CX1 - PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband Dell | 1680 | 2006 | 4.40 | 17.92 |
| 167 | National Centers for Environmental Prediction United States | eServer pSeries 655 (1.7 GHz Power4+) IBM | 1152 | 2004 | 4.38 | 7.83 |
| 168 | National Centers for Environmental Prediction United States | eServer pSeries 655 (1.7 GHz Power4+) IBM | 1152 | 2004 | 4.38 | 7.83 |
| 169 | Los Alamos National Laboratory United States | CU-L - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 170 | Los Alamos National Laboratory United States | CU-E - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 171 | Los Alamos National Laboratory United States | CU-J - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 172 | Los Alamos National Laboratory United States | CU-O - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 173 | Los Alamos National Laboratory United States | CU-C - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 174 | Los Alamos National Laboratory United States | CU-I - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 175 | Los Alamos National Laboratory United States | CU-M - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 176 | Los Alamos National Laboratory United States | CU-A - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 177 | Los Alamos National Laboratory United States | CU-F - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 178 | Los Alamos National Laboratory United States | CU-K - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 179 | Los Alamos National Laboratory United States | CU-P - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 180 | Los Alamos National Laboratory United States | CU-D - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 181 | Los Alamos National Laboratory United States | CU-H - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 182 | Los Alamos National Laboratory United States | CU-N - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 183 | Los Alamos National Laboratory United States | CU-B - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 184 | Los Alamos National Laboratory United States | CU-G - IBM eServer x3755 Opteron dual core 2.2 GHz Infiniband IBM | 1152 | 2006 | 4.38 | 5.07 |
| 185 | Research USA United States | BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet IBM | 2016 | 2006 | 4.38 | 8.06 |
| 186 | UT SimCenter at Chattanooga United States | Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet Dell | 1010 | 2005 | 4.34 | 6.46 |
| 187 | Total SA France | Houat - eServer pSeries p5 575 1.5 GHz, Myrinet IBM | 1024 | 2005 | 4.31 | 6.14 |
| 188 | Caltech/JPL United States | Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet Dell | 1024 | 2004 | 4.30 | 6.55 |
| 189 | On Demand Center United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband IBM | 1712 | 2006 | 4.22 | 8.22 |
| 190 | On Demand Center United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband IBM | 1712 | 2006 | 4.22 | 8.22 |
| 191 | On Demand Center United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband IBM | 1712 | 2006 | 4.22 | 8.22 |
| 192 | Chinese Academy of Science China | DeepComp 6800, Itanium2 1.3 GHz, QsNet lenovo | 1024 | 2003 | 4.19 | 5.32 |
| 193 | NCAR (National Center for Atmospheric Research) United States | pSeries 690 Turbo 1.3 GHz IBM | 1600 | 2003 | 4.18 | 8.32 |
| 194 | Defense Classified United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 528 | 2006 | 4.18 | 6.34 |
| 195 | Sun United States | SSC_x2200M2 - Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux Sun Microsystems | 1024 | 2006 | 4.17 | 5.32 |
| 196 | University of Reading United Kingdom | JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM | 736 | 2006 | 4.15 | 6.48 |
| 197 | Walt Disney Feature Animation United States | The Hive - Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, Verari BladeRack 3.4 GHz, GigEthernet Hewlett-Packard | 1110 | 2005 | 4.13 | 6.94 |
| 198 | University of Minnesota/Supercomputing Institute United States | BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband IBM | 1140 | 2006 | 4.10 | 5.93 |
| 199 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 200 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 201 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 202 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 203 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 204 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 205 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 206 | Semiconductor Company (N) United States | ProLiant BL460c EM64T Xeon 51xx 3GHz Hewlett-Packard | 512 | 2006 | 4.06 | 6.14 |
| 207 | Classified United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1644 | 2006 | 4.05 | 7.23 |
| 208 | Classified United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1644 | 2006 | 4.05 | 7.23 |
| 209 | Classified United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1644 | 2006 | 4.05 | 7.23 |
| 210 | Classified United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1644 | 2006 | 4.05 | 7.23 |
| 211 | DOE/Bettis Atomic Power Laboratory United States | Atipa Cluster, Opteron, Myrinet Atipa Technology | 1090 | 2005 | 4.04 | 5.23 |
| 212 | DOE/Knolls Atomic Power Laboratory United States | Atipa Cluster, Opteron, Myrinet Atipa Technology | 1090 | 2005 | 4.04 | 5.23 |
| 213 | NCAR (National Center for Atmospheric Research) United States | eServer pSeries p5 575 1.9 GHz IBM | 608 | 2005 | 4.03 | 4.62 |
| 214 | Kaiser United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1125 | 2006 | 4.02 | 7.20 |
| 215 | Kaiser United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1125 | 2006 | 4.02 | 7.20 |
| 216 | Retailer (C) United States | Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet Hewlett-Packard | 1024 | 2006 | 3.98 | 7.37 |
| 217 | TeleComputing ASA Norway | Blade Cluster BL-20P, Pentium4 Xeon 3.6 GHz, GigEthernet Hewlett-Packard | 1024 | 2006 | 3.98 | 7.37 |
| 218 | Telecommunication Company United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1152 | 2006 | 3.98 | 7.37 |
| 219 | Commissariat a l'Energie Atomique (CEA) France | AlphaServer SC45, 1 GHz Hewlett-Packard | 2560 | 2001 | 3.98 | 5.12 |
| 220 | Classified China | Cluster Platform 4000 DL145 Opteron 2.4 GHz Infiniband Hewlett-Packard | 1044 | 2006 | 3.96 | 5.01 |
| 221 | Hewlett-Packard United States | Cluster Platform 4000 DL145 Opteron 2.6 GHz Infiniband Hewlett-Packard | 1024 | 2005 | 3.95 | 5.32 |
| 222 | Sun United States | SSC_V40z - Fire V40z Cluster, Opteron 2.6 GHz dual core, Infiniband, Linux Sun Microsystems | 1056 | 2006 | 3.94 | 5.49 |
| 223 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 224 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 225 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 226 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 227 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 228 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 229 | Geoscience (P) United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet IBM | 1600 | 2006 | 3.94 | 7.04 |
| 230 | Wincor Nixdorf Portavis France | Blade Cluster BL-25P Opteron Dual Core 2.2 GHz, GigEthernet Hewlett-Packard | 1600 | 2006 | 3.94 | 7.04 |
| 231 | Semiconductor Company (M) United States | ProLiant BL465c Opteron Dual Core 2.6 GHz Infiniband Hewlett-Packard | 960 | 2006 | 3.89 | 4.99 |
| 232 | Semiconductor Company (M) United States | ProLiant BL465c Opteron Dual Core 2.6 GHz Infiniband Hewlett-Packard | 960 | 2006 | 3.89 | 4.99 |
| 233 | Semiconductor Company (M) United States | ProLiant BL465c Opteron Dual Core 2.6 GHz Infiniband Hewlett-Packard | 960 | 2006 | 3.89 | 4.99 |
| 234 | Financial Institution (P) France | BladeCenter LS20, Opteron 2.4 GHz Dual core, GigEthernet IBM | 1568 | 2006 | 3.86 | 7.53 |
| 235 | Vanderbilt University United States | JS20 Cluster, PPC 970, 2.2 GHz, Myrinet IBM | 660 | 2006 | 3.84 | 5.81 |
| 236 | Institute for Molecular Science Japan | Altix 4700 1.6 GHz SGI | 640 | 2006 | 3.84 | 4.10 |
| 237 | Semiconductor Company (L) India | Cluster Platform 4000 DL145 Opteron 2.4 GHz GigEthernet Hewlett-Packard | 1400 | 2006 | 3.83 | 6.72 |
| 238 | Lawrence Livermore National Laboratory United States | eServer pSeries 655 (1.5 GHz Power4+) IBM | 1024 | 2004 | 3.81 | 6.14 |
| 239 | Lawrence Livermore National Laboratory United States | eServer pSeries 655 (1.5 GHz Power4+) IBM | 1024 | 2004 | 3.81 | 6.14 |
| 240 | Oracle Corporation United States | Cluster Platform 3000 DL380 Xeon 2.8 Ghz, GigaEthernet Hewlett-Packard | 1300 | 2006 | 3.79 | 7.28 |
| 241 | US Army HPC Research Center at NCS United States | Cray X1E Cray Inc. | 252 | 2005 | 3.78 | 4.56 |
| 242 | Synopsys United States | EDA Express - Opteron 2.4-2.8 GHz GigEthernet IBM/HP | 1200 | 2006 | 3.78 | 5.76 |
| 243 | Bank United Kingdom | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM | 3200 | 2004 | 3.76 | 19.58 |
| 244 | Westgrid Canada | glacier - BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM | 1680 | 2005 | 3.76 | 10.28 |
| 245 | Petroleum Company (G) Saudia Arabia | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM | 1536 | 2004 | 3.76 | 9.83 |
| 246 | Semiconductor Company (D) Israel | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 1464 | 2006 | 3.76 | 9.37 |
| 247 | Financial Services (N) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1300 | 2006 | 3.76 | 9.36 |
| 248 | Credit Suisse/First Boston United Kingdom | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM | 1500 | 2004 | 3.76 | 9.18 |
| 249 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1074 | 2006 | 3.76 | 7.73 |
| 250 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1070 | 2006 | 3.76 | 7.70 |
| 251 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1070 | 2006 | 3.76 | 7.70 |
| 252 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1070 | 2006 | 3.76 | 7.70 |
| 253 | Geoscience (G) India | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1024 | 2006 | 3.76 | 7.37 |
| 254 | Xin Jiang Oil China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz, Gig-Ethernet IBM | 1064 | 2006 | 3.76 | 7.24 |
| 255 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1004 | 2006 | 3.76 | 7.23 |
| 256 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1004 | 2006 | 3.76 | 7.23 |
| 257 | Financial Services (N) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1000 | 2006 | 3.76 | 7.20 |
| 258 | Financial Services (N) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1000 | 2006 | 3.76 | 7.20 |
| 259 | WETA Digital New Zealand | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1000 | 2005 | 3.76 | 7.20 |
| 260 | Animal Logic Australia | BladeCenter HS20 Xeon 3.06 GHz, Gig-Ethernet IBM | 1148 | 2005 | 3.76 | 7.03 |
| 261 | Geoscience (B) India | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz - Gig-Ethernet IBM | 1024 | 2005 | 3.76 | 6.96 |
| 262 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet IBM | 1088 | 2006 | 3.76 | 6.96 |
| 263 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet IBM | 1088 | 2006 | 3.76 | 6.96 |
| 264 | Geoscience (C) United Kingdom | xSeries Xeon 3.06 GHz - Gig-E IBM | 1128 | 2004 | 3.76 | 6.90 |
| 265 | Geoscience (C) United Kingdom | xSeries Xeon 3.06 GHz - Gig-E IBM | 1128 | 2004 | 3.76 | 6.90 |
| 266 | Semiconductor Company (D) Israel | xSeries Xeon 3.06 GHz - Gig-E IBM | 1120 | 2004 | 3.76 | 6.85 |
| 267 | Telco Canada | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM | 1036 | 2005 | 3.76 | 6.63 |
| 268 | Financial Services (H) United States | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet IBM | 1024 | 2005 | 3.76 | 6.55 |
| 269 | Petroleum Company (H) China | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet IBM | 1024 | 2006 | 3.76 | 6.55 |
| 270 | Bank (H) Germany | BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM | 1064 | 2004 | 3.76 | 6.51 |
| 271 | ConocoPhillips United States | BladeCenter Xeon 3.06 GHz, Gig-Ethernet IBM | 1056 | 2004 | 3.76 | 6.46 |
| 272 | PGS United States | xSeries Cluster Xeon 3.06 GHz - Gig-E IBM | 1024 | 2003 | 3.76 | 6.27 |
| 273 | Petroleum Company (C) Brazil | xSeries Cluster Xeon 3.06 GHz - Gig-E IBM | 1024 | 2004 | 3.76 | 6.27 |
| 274 | IBM - Deep Computing Capacity on Demand Center United States | xSeries Xeon 3.06 GHz - Gig-E IBM | 1000 | 2004 | 3.76 | 6.12 |
| 275 | PETROBRAS Brazil | bwr1 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet Hewlett-Packard | 1300 | 2004 | 3.74 | 7.96 |
| 276 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 1288 | 2006 | 3.72 | 9.27 |
| 277 | Naval Oceanographic Office (NAVOCEANO) United States | pSeries 690 Turbo 1.3 GHz IBM | 1408 | 2004 | 3.72 | 7.32 |
| 278 | Louisiana State University United States | eServer pSeries p5 575 1.9 GHz IBM | 560 | 2005 | 3.71 | 4.26 |
| 279 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 280 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 281 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 282 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 283 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 284 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet IBM | 1048 | 2006 | 3.70 | 7.55 |
| 285 | Classified Netherlands | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1024 | 2006 | 3.66 | 6.55 |
| 286 | Telecommunication Company United States | Integrity Superdome, Itanium2 1.6 GHz, HyperPlex Hewlett-Packard | 768 | 2006 | 3.66 | 4.92 |
| 287 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 970 | 2006 | 3.65 | 6.98 |
| 288 | Calyon France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1056 | 2006 | 3.65 | 6.76 |
| 289 | Calyon France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet Hewlett-Packard | 1056 | 2006 | 3.65 | 6.76 |
| 290 | Telecommunication Company United States | SuperDome 1.1 GHz/HyperPlex Hewlett-Packard | 1536 | 2006 | 3.65 | 6.76 |
| 291 | Telecommunication Company United States | SuperDome 1.1 GHz/HyperPlex Hewlett-Packard | 1536 | 2006 | 3.65 | 6.76 |
| 292 | Telecommunication Company United States | SuperDome 1.1 GHz/HyperPlex Hewlett-Packard | 1536 | 2006 | 3.65 | 6.76 |
| 293 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 966 | 2006 | 3.64 | 6.96 |
| 294 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 966 | 2006 | 3.64 | 6.96 |
| 295 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 966 | 2006 | 3.64 | 6.96 |
| 296 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 966 | 2006 | 3.64 | 6.96 |
| 297 | Semiconductor Company (C) United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 966 | 2006 | 3.64 | 6.96 |
| 298 | IBM Poughkeepsie Benchmarking Center United States | BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet IBM | 512 | 2006 | 3.64 | 5.12 |
| 299 | Samsung SDS Korea, South | SuperDome 1 GHz/HyperPlex Hewlett-Packard | 1680 | 2006 | 3.63 | 6.72 |
| 300 | Financial Services (O) United Kingdom | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet IBM | 952 | 2006 | 3.59 | 6.85 |