| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 401 | RQCHP
Canada | Altix 4700 1.6 GHz
SGI | 768 | 2006 | 4.60 | 4.92 |
| 402 | Hokkaido University
Japan | SR11000-K1/40
Hitachi | 40 | 2005 | 4.60 | 5.38 |
| 403 | Army High Performance Computing Research Center
United States | Cray XT3, 2.4 GHz
Cray Inc. | 1152 | 2006 | 4.59 | 5.53 |
| 404 | Almacen Diasa
Spain | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 588 | 2007 | 4.59 | 7.06 |
| 405 | IIS
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1336 | 2007 | 4.59 | 6.95 |
| 406 | IIS
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1336 | 2007 | 4.59 | 6.95 |
| 407 | Wells Fargo
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1280 | 2006 | 4.58 | 8.19 |
| 408 | Wells Fargo
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1280 | 2006 | 4.58 | 8.19 |
| 409 | Max-Planck-Gesellschaft MPI/IPP
Germany | eServer pSeries p5 575 1.9 GHz
IBM | 688 | 2005 | 4.56 | 5.23 |
| 410 | University of Illinois
United States | Turing - XServe G5 2GHz, Myrinet
Self-made | 1024 | 2005 | 4.56 | 8.19 |
| 411 | Georgia Institute of Technology
United States | BladeCenter HS21 Cluster, Xeon dual core
IBM | 1024 | 2007 | 4.55 | 10.90 |
| 412 | Sun Project Blackbox
United States | Fire x8400 2.6 Ghz Opteron, Infiniband
Sun Microsystems | 1088 | 2007 | 4.55 | 5.66 |
| 413 | Sun Solution Center for HPC
United States | SSC/HPC - x8400 - Fire x8400 2.6 Ghz Opteron, Infiniband
Sun Microsystems | 1088 | 2007 | 4.55 | 5.66 |
| 414 | Kyoto University
Japan | PRIMEPOWER HPC2500 (1.56 GHz)
Fujitsu | 1472 | 2004 | 4.55 | 9.19 |
| 415 | Moscow Institute of Physics and Technology
Russia | MIPT-60 - Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Myrinet
Hewlett-Packard | 544 | 2007 | 4.53 | 6.53 |
| 416 | National Institute for Space Research/CPTEC
Brazil | Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux
NEC/Sun | 1100 | 2007 | 4.51 | 5.72 |
| 417 | DKRZ - Deutsches Klimarechenzentrum
Germany | Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux
Sun Microsystems | 1088 | 2007 | 4.51 | 5.66 |
| 418 | Environment Canada
Canada | Naos - eServer pSeries p5 575 1.9 GHz
IBM | 688 | 2007 | 4.49 | 5.23 |
| 419 | IT Services Provider (C)
Sweden | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 576 | 2007 | 4.49 | 6.91 |
| 420 | Bank (K)
Belgium | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1300 | 2006 | 4.49 | 8.32 |
| 421 | South Australian Partnership for Advanced Computing (SAPAC)
Australia | Corvus - SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband
SGI | 544 | 2007 | 4.47 | 5.80 |
| 422 | aQuantive Inc
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 736 | 2007 | 4.46 | 6.87 |
| 423 | Pittsburgh Supercomputing Center
United States | AlphaServer SC45, 1 GHz
Hewlett-Packard | 3016 | 2001 | 4.46 | 6.03 |
| 424 | Jeraisy Computer and Communication Services
Saudia Arabia | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 572 | 2007 | 4.46 | 6.86 |
| 425 | SBM Gates Arrow Com.
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1912 | 2007 | 4.46 | 8.41 |
| 426 | SBM Gates Arrow Com.
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1912 | 2007 | 4.46 | 8.41 |
| 427 | Sun Solution Center for HPC
United States | SSC_x2200M2 - Sun Fire x2200 M2 Cluster, Opteron 2.6 Ghz, Infiniband, Linux
Sun Microsystems | 1024 | 2006 | 4.44 | 5.32 |
| 428 | Digital China Ltd.
China | SuperDome HyperPlex
Hewlett-Packard | 2048 | 2007 | 4.42 | 8.19 |
| 429 | Semiconductor Company (M)
United States | Cluster Platform 4000 BL465c Opteron Dual Core 2.6 GHz Infiniband
Hewlett-Packard | 1104 | 2007 | 4.42 | 5.74 |
| 430 | ARC Espana
Spain | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet
Hewlett-Packard | 636 | 2007 | 4.41 | 6.78 |
| 431 | Imperial College ICT HPC
United Kingdom | CX1 - PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband
Dell | 1680 | 2006 | 4.40 | 17.92 |
| 432 | Right Media Inc
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1280 | 2007 | 4.39 | 6.66 |
| 433 | Right Media Inc
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1280 | 2007 | 4.39 | 6.66 |
| 434 | National Centers for Environmental Prediction
United States | eServer pSeries 655 (1.7 GHz Power4+)
IBM | 1152 | 2004 | 4.38 | 7.83 |
| 435 | National Centers for Environmental Prediction
United States | eServer pSeries 655 (1.7 GHz Power4+)
IBM | 1152 | 2004 | 4.38 | 7.83 |
| 436 | HP Financial Services
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1276 | 2007 | 4.38 | 6.64 |
| 437 | HP Financial Services
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1276 | 2007 | 4.38 | 6.64 |
| 438 | Los Alamos National Laboratory
United States | CU-I - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 439 | Los Alamos National Laboratory
United States | CU-A - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 440 | Los Alamos National Laboratory
United States | CU-M - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 441 | Los Alamos National Laboratory
United States | CU-F - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 442 | Los Alamos National Laboratory
United States | CU-K - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 443 | Los Alamos National Laboratory
United States | CU-D - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 444 | Los Alamos National Laboratory
United States | CU-P - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 445 | Los Alamos National Laboratory
United States | CU-H - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 446 | Los Alamos National Laboratory
United States | CU-B - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 447 | Los Alamos National Laboratory
United States | CU-N - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 448 | Los Alamos National Laboratory
United States | CU-G - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 449 | Los Alamos National Laboratory
United States | CU-L - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 450 | Los Alamos National Laboratory
United States | CU-E - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 451 | Los Alamos National Laboratory
United States | CU-J - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 452 | Los Alamos National Laboratory
United States | CU-C - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 453 | Los Alamos National Laboratory
United States | CU-O - eServer x3755 Opteron dual core 2.2 GHz Infiniband
IBM | 1152 | 2006 | 4.38 | 5.07 |
| 454 | Cold Spring Harbor Laboratory
United States | BladeCenter LS20, Opteron 2.0 GHz Dual core, GigEthernet
IBM | 2016 | 2006 | 4.38 | 8.06 |
| 455 | IT Service Provider (B)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
Hewlett-Packard | 560 | 2007 | 4.37 | 6.72 |
| 456 | IT Services Provider (C)
Sweden | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet
Hewlett-Packard | 628 | 2007 | 4.35 | 6.70 |
| 457 | UT SimCenter at Chattanooga
United States | Slide Rule - PowerEdge 1850/1855 3.2 GHz GigEthernet
Dell | 1010 | 2005 | 4.34 | 6.46 |
| 458 | Total SA
France | eServer pSeries p5 575 1.9 GHz, Myrinet
IBM | 1024 | 2007 | 4.31 | 7.78 |
| 459 | Total SA
France | Houat - eServer pSeries p5 575 1.5 GHz, Myrinet
IBM | 1024 | 2005 | 4.31 | 6.14 |
| 460 | Caltech/JPL
United States | Cosmos - PowerEdge 1750, P4 Xeon 3.2 GHz, Myrinet
Dell | 1024 | 2004 | 4.30 | 6.55 |
| 461 | Telecommunication Company
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1840 | 2007 | 4.29 | 8.10 |
| 462 | Telecommunication Company
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1840 | 2007 | 4.29 | 8.10 |
| 463 | Telecommunication Company
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1840 | 2007 | 4.29 | 8.10 |
| 464 | IT Service Provider (C)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet
Hewlett-Packard | 612 | 2007 | 4.24 | 6.53 |
| 465 | Logistic Services (E)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1232 | 2007 | 4.23 | 6.41 |
| 466 | Logistic Services (E)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 1232 | 2007 | 4.23 | 6.41 |
| 467 | Universidad de Granada
Spain | Sun Fire x2200 M2/X4600 M2 Cluster, Opteron 2.2 Ghz, Infiniband
Sun Microsystems | 1248 | 2007 | 4.22 | 5.49 |
| 468 | On Demand Center
United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband
IBM | 1712 | 2006 | 4.22 | 8.22 |
| 469 | On Demand Center
United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband
IBM | 1712 | 2006 | 4.22 | 8.22 |
| 470 | On Demand Center
United States | eServer 326 Cluster, Opteron Dual Core 2.4 GHz, Infiniband
IBM | 1712 | 2006 | 4.22 | 8.22 |
| 471 | IT Services Provider (B)
Canada | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
Hewlett-Packard | 540 | 2007 | 4.21 | 6.48 |
| 472 | ePlus Technology Inc
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 540 | 2007 | 4.21 | 6.48 |
| 473 | Chinese Academy of Science
China | DeepComp 6800, Itanium2 1.3 GHz, QsNet
lenovo | 1024 | 2003 | 4.19 | 5.32 |
| 474 | NCAR (National Center for Atmospheric Research)
United States | pSeries 690 Turbo 1.3 GHz
IBM | 1600 | 2003 | 4.18 | 8.32 |
| 475 | Gaming Company (B)
Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1336 | 2007 | 4.18 | 7.48 |
| 476 | Defense Classified
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
Hewlett-Packard | 528 | 2006 | 4.18 | 6.34 |
| 477 | NASA/Ames Research Center/NAS
United States | eServer pSeries p5 575 2.2 GHz
IBM | 640 | 2007 | 4.18 | 5.63 |
| 478 | Air Force Weather Agency
United States | eServer pSeries p5 575 1.9 GHz
IBM | 640 | 2007 | 4.18 | 4.86 |
| 479 | AVNET Pacific
Australia | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 688 | 2007 | 4.17 | 6.42 |
| 480 | Food Industry
France | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 688 | 2007 | 4.17 | 6.42 |
| 481 | Actebis Peacock GmbH
Germany | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 532 | 2007 | 4.15 | 6.38 |
| 482 | GNT Finland Oy
Finland | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 532 | 2007 | 4.15 | 6.38 |
| 483 | University of Reading
United Kingdom | JS20 Cluster, PPC 970, 2.2 GHz, Myrinet
IBM | 736 | 2006 | 4.15 | 6.48 |
| 484 | Uppsala University
Sweden | Isis - BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet
IBM | 840 | 2007 | 4.14 | 10.08 |
| 485 | Zungwon
Korea, South | Integrity Superdome, Itanium2 DC 1.6 GHz, HyperPlex
Hewlett-Packard | 760 | 2007 | 4.14 | 4.86 |
| 486 | 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 |
| 487 | Unis Digital Co. Ltd.
China | Cluster Platform 3000 BL460c, Xeon 51xx 1.6GHz, GigEthernet
Hewlett-Packard | 984 | 2007 | 4.09 | 6.30 |
| 488 | Pluz BV
Netherlands | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 524 | 2007 | 4.09 | 6.29 |
| 489 | Meteo-France
France | SX8R (2.2 GHz)
NEC | 128 | 2007 | 4.06 | 4.51 |
| 490 | Meteo-France
France | SX8R (2.2 GHz)
NEC | 128 | 2007 | 4.06 | 4.51 |
| 491 | Classified
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1644 | 2006 | 4.05 | 7.23 |
| 492 | Classified
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1644 | 2006 | 4.05 | 7.23 |
| 493 | Classified
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1644 | 2006 | 4.05 | 7.23 |
| 494 | Classified
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1644 | 2006 | 4.05 | 7.23 |
| 495 | DOE/Bettis Atomic Power Laboratory
United States | Atipa Cluster, Opteron, Myrinet
Atipa Technology | 1090 | 2005 | 4.04 | 5.23 |
| 496 | DOE/Knolls Atomic Power Laboratory
United States | Atipa Cluster, Opteron, Myrinet
Atipa Technology | 1090 | 2005 | 4.04 | 5.23 |
| 497 | NCAR (National Center for Atmospheric Research)
United States | eServer pSeries p5 575 1.9 GHz
IBM | 608 | 2005 | 4.03 | 4.62 |
| 498 | Kaiser
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1125 | 2006 | 4.02 | 7.20 |
| 499 | Kaiser
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1125 | 2006 | 4.02 | 7.20 |
| 500 | BMW AG
Germany | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 896 | 2007 | 4.01 | 5.38 |
