| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 301 | Geoscience (J)
China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz, Gig-Ethernet
IBM | 980 | 2006 | 3.59 | 6.66 |
| 302 | Bank (H)
Germany | BladeCenter HS20 Cluster, Xeon 3.06 GHz, GigEthernet
IBM | 1448 | 2006 | 3.59 | 8.86 |
| 303 | Banque National Paris
France | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 992 | 2006 | 3.55 | 6.35 |
| 304 | ConocoPhillips
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1024 | 2006 | 3.54 | 6.55 |
| 305 | Financial Institution (K)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1024 | 2006 | 3.54 | 6.55 |
| 306 | Digital Media Company (B)
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz Myrinet
Hewlett-Packard | 944 | 2005 | 3.53 | 4.53 |
| 307 | Fujitsu Services
United Kingdom | SuperDome 1 GHz/HyperPlex
Hewlett-Packard | 1664 | 2006 | 3.53 | 6.66 |
| 308 | Semiconductor Company (F)
India | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 930 | 2006 | 3.52 | 6.70 |
| 309 | Semiconductor Company (F)
India | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 930 | 2006 | 3.52 | 6.70 |
| 310 | Semiconductor Company (K)
Malaysia | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 930 | 2006 | 3.52 | 6.70 |
| 311 | Geoscience (I)
China | BladeCenter HS20 Cluster, Xeon EM64T 3.4 GHz, Gig-Ethernet
IBM | 960 | 2006 | 3.52 | 6.53 |
| 312 | Sandia National Laboratories
United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard | 1028 | 2004 | 3.51 | 6.99 |
| 313 | Sandia National Laboratories
United States | ICC2 - Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard | 1028 | 2004 | 3.51 | 6.99 |
| 314 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 924 | 2006 | 3.50 | 6.65 |
| 315 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 924 | 2006 | 3.50 | 6.65 |
| 316 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 924 | 2006 | 3.50 | 6.65 |
| 317 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 922 | 2006 | 3.49 | 6.64 |
| 318 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EMT64T 3.2 GHz, GigEthernet
IBM | 922 | 2006 | 3.49 | 5.90 |
| 319 | SharcNet
Canada | Narwhal - Cluster Platform 4000 DL145 Opteron 2.2 GHz dual core, Myrinet
Hewlett-Packard | 1068 | 2006 | 3.49 | 4.70 |
| 320 | Defense Classified
United States | ProLiant BL460c EM64T Xeon 51xx 3GHz
Hewlett-Packard | 440 | 2006 | 3.48 | 5.28 |
| 321 | Hewlett-Packard
United States | Cluster Platform 4000 DL145 Opteron 2.2 GHz, Infiniband
Hewlett-Packard | 1024 | 2005 | 3.47 | 4.51 |
| 322 | Digital Media Company (B)
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz Myrinet
Hewlett-Packard | 924 | 2005 | 3.46 | 4.44 |
| 323 | Geoscience (H)
India | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 324 | Geoscience (H)
India | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 325 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 326 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 327 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 328 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1400 | 2006 | 3.45 | 6.16 |
| 329 | BMW AG
Germany | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 768 | 2006 | 3.43 | 4.61 |
| 330 | Government
United Kingdom | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 768 | 2006 | 3.43 | 4.61 |
| 331 | Industrial Classified
Japan | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 768 | 2006 | 3.43 | 4.61 |
| 332 | Industrial Classified
Japan | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 768 | 2006 | 3.43 | 4.61 |
| 333 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 900 | 2006 | 3.42 | 6.48 |
| 334 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 900 | 2006 | 3.42 | 6.48 |
| 335 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 900 | 2006 | 3.42 | 6.48 |
| 336 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 900 | 2006 | 3.42 | 6.48 |
| 337 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EMT64T 3.2 GHz, GigEthernet
IBM | 900 | 2006 | 3.42 | 5.76 |
| 338 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EMT64T 3.2 GHz, GigEthernet
IBM | 900 | 2006 | 3.42 | 5.76 |
| 339 | Galactic Computing (Shenzhen) Ltd.
China | Supercomputing Blade System GT4000
Galactic Computing | 562 | 2005 | 3.41 | 4.05 |
| 340 | CINECA
Italy | eServer pSeries p5 575 1.9 GHz
IBM | 512 | 2005 | 3.39 | 3.89 |
| 341 | Energy Company (D)
United States | eServer pSeries p5 575 1.9 GHz
IBM | 512 | 2006 | 3.39 | 3.89 |
| 342 | IBM Poughkeepsie Benchmarking Center
United States | eServer pSeries p5 575 1.9 GHz
IBM | 512 | 2006 | 3.39 | 3.89 |
| 343 | Institute of High Performance Computing (IHPC)
Singapore | eServer pSeries p5 575 1.9 GHz
IBM | 512 | 2006 | 3.39 | 3.89 |
| 344 | IBM Semantic Computing Services at Almaden Research
United States | BladeCenter HS20 Cluster, Xeon 3.2 GHz, GigEthernet
IBM | 900 | 2006 | 3.38 | 5.76 |
| 345 | Los Alamos National Laboratory
United States | PAL - Appro HyperBlade
Appro International | 1028 | 2005 | 3.36 | 4.11 |
| 346 | Forecast Systems Laboratory - NOAA
United States | Aspen Systems, Dual Xeon 2.2 GHz - Myrinet2000
HPTi | 1536 | 2002 | 3.34 | 6.76 |
| 347 | CINECA
Italy | xSeries, Xeon 3.06 GHz, Myrinet
IBM | 1024 | 2005 | 3.33 | 6.27 |
| 348 | Institute of Scientific Computing/Nankai University
China | Nankai Stars - xSeries Xeon 3.06 GHz, Myrinet
IBM | 768 | 2004 | 3.33 | 4.70 |
| 349 | Research Classified
Japan | Experimental Cluster
Self-made | 480 | 2006 | 3.33 | 6.53 |
| 350 | National Institute for Materials Science
Japan | SR11000-H1/56
Hitachi | 56 | 2004 | 3.32 | 6.09 |
| 351 | Energy Company (F)
United States | Cluster Platform 4000 DL145 Opteron 2.6 GHz GigEthernet
Hewlett-Packard | 1120 | 2006 | 3.32 | 5.82 |
| 352 | Institute for Molecular Science
Japan | SR11000-H1/50
Hitachi | 50 | 2004 | 3.30 | 5.44 |
| 353 | Istanbul Technical University (ITU)
Turkey | DL360 G5 Cluster, Xeon 2.33 Ghz, Infiniband
Hewlett-Packard | 560 | 2006 | 3.29 | 5.22 |
| 354 | Quadrics
Italy | Cluster Platform 4000 DL145 G2 Opteron Dual Core 2.6 GHz Quadrics
Hewlett-Packard | 800 | 2006 | 3.29 | 4.16 |
| 355 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 356 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 357 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 358 | Semiconductor Company (C)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 359 | Semiconductor Company (C)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 360 | Semiconductor Company (C)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 361 | Semiconductor Company (C)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1052 | 2006 | 3.27 | 11.22 |
| 362 | Financial Institution
Switzerland | ProLiant BL460c EM64T Xeon 51xx 3GHz
Hewlett-Packard | 412 | 2006 | 3.26 | 4.94 |
| 363 | University of San Paulo
Brazil | BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet
IBM | 448 | 2006 | 3.18 | 4.48 |
| 364 | Government
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 640 | 2005 | 3.17 | 4.35 |
| 365 | Energy Company (D)
United States | Cluster Platform 3000 DL360G4 Xeon 3.6 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 3.17 | 5.76 |
| 366 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 367 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 368 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 369 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 370 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 371 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 820 | 2006 | 3.15 | 5.25 |
| 372 | UCSD/San Diego Supercomputer Center
United States | TeraGrid Cluster, Itanium 2 1.3 GHz, Myrinet
IBM | 768 | 2004 | 3.15 | 3.99 |
| 373 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet
IBM | 818 | 2006 | 3.15 | 5.24 |
| 374 | Paramount Pictures
United States | Fire V20z Cluster, Opteron 2.6 GHz dual core, GigEthernet, Solaris
Sun Microsystems | 1192 | 2006 | 3.15 | 6.20 |
| 375 | The University of Nottingham
United Kingdom | Jupiter - Fire V20z Cluster, Opteron 2.2 GHz, Gig Ethernet
Sun Microsystems | 1024 | 2005 | 3.15 | 4.39 |
| 376 | Irish Centre for High-End Computing
Ireland | Walton - eServer, Opteron 2.4 GHz, GigEthernet
IBM | 968 | 2005 | 3.14 | 4.65 |
| 377 | Geoscience (P)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 816 | 2006 | 3.14 | 5.88 |
| 378 | Geoscience (P)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 816 | 2006 | 3.14 | 5.88 |
| 379 | Geoscience (P)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 816 | 2006 | 3.14 | 5.88 |
| 380 | Geoscience (P)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 816 | 2006 | 3.14 | 5.88 |
| 381 | Geoscience (P)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz, Gig-Ethernet
IBM | 816 | 2006 | 3.14 | 5.88 |
| 382 | Institute of Genomics and Integrative Biology
India | Cluster Platform 3000 DL140G2 Xeon 3.6 GHz Infiniband
Hewlett-Packard | 576 | 2005 | 3.14 | 4.15 |
| 383 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 384 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 385 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 386 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 387 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 388 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 389 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 390 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz
Hewlett-Packard | 1000 | 2005 | 3.12 | 6.12 |
| 391 | Institute for Molecular Science
Japan | Fujitsu Primequest, Itanium2 16 Ghz, Infiniband
Fujitsu | 640 | 2006 | 3.12 | 4.10 |
| 392 | SBM Gates Arrow Com.
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1336 | 2006 | 3.12 | 5.88 |
| 393 | SBM Gates Arrow Com.
United States | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1336 | 2006 | 3.12 | 5.88 |
| 394 | Government R&D Centre
Malaysia | ProLiant BL460c EM64T Xeon 51xx 3GHz
Hewlett-Packard | 384 | 2006 | 3.09 | 4.61 |
| 395 | Government
United States | Cluster Platform 4000 DL145 Opteron Dual Core 2.4 GHz GigEthernet
Hewlett-Packard | 1108 | 2006 | 3.08 | 5.32 |
| 396 | Government
United States | Cluster Platform 4000 DL145 Opteron Dual Core 2.4 GHz GigEthernet
Hewlett-Packard | 1108 | 2006 | 3.08 | 5.32 |
| 397 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 398 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 399 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 400 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 401 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 860 | 2006 | 3.08 | 5.50 |
| 402 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 860 | 2005 | 3.08 | 5.50 |
| 403 | SGI
United States | Altix 4700 1.6 GHz
SGI | 512 | 2006 | 3.07 | 3.28 |
| 404 | Manufacturer (G)
United States | eServer p5 570 POWER5 1.9 GHz, GigEth
IBM | 720 | 2004 | 3.07 | 5.47 |
| 405 | Korea Institute of Science and Technology
Korea, South | Nankai Star - xSeries Xeon 2.4 GHz, Myrinet
IBM | 1024 | 2004 | 3.07 | 4.92 |
| 406 | University of Sherbrooke
Canada | Ms - PowerEdge 750, P4 3.2 GHz, GigE
Dell | 872 | 2004 | 3.06 | 5.58 |
| 407 | SberBank
Russia | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1312 | 2006 | 3.06 | 5.77 |
| 408 | Naval Research Laboratory (NRL)
United States | Cray XD1, 2.2 GHz
Cray Inc. | 864 | 2006 | 3.04 | 3.80 |
| 409 | Animal Logic
Australia | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, GigEthernet
IBM | 784 | 2005 | 3.03 | 5.02 |
| 410 | Semiconductor Company (E)
United States | xSeries Cluster Xeon 3.06 GHz - Gig-E
IBM | 800 | 2003 | 3.00 | 4.90 |
| 411 | Sony. Information Technologies Laboratories.
Japan | Cray XD1, 2.2 GHz
Cray Inc. | 825 | 2005 | 3.00 | 3.63 |
| 412 | Barcelona Supercomputing Center
Spain | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2006 | 2.99 | 4.51 |
| 413 | IAC - BSC
Spain | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2006 | 2.99 | 4.51 |
| 414 | New York University
United States | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2005 | 2.99 | 4.51 |
| 415 | Universidad de Cantabria - BSC
Spain | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2006 | 2.99 | 4.51 |
| 416 | Universidad de Malaga - BSC
Spain | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2006 | 2.99 | 4.51 |
| 417 | Universidad de Zaragoza - BSC
Spain | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet
IBM | 512 | 2006 | 2.99 | 4.51 |
| 418 | PETROBRAS
Brazil | bw7 - Cluster Platform 3000 DL140G3 Xeon 3.06 GHz GigEthernet
Hewlett-Packard | 1008 | 2004 | 2.99 | 6.17 |
| 419 | The University of Florida High-Performance Computing Center
United States | GatorRack - Rackable Foundation C1001, Opteron Dual-Core 2.2GHz, InfiniBand
Rackable Systems | 832 | 2006 | 2.97 | 3.66 |
| 420 | Amdocs
United States | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 662 | 2006 | 2.96 | 3.97 |
| 421 | Geoscience (H)
India | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 1200 | 2006 | 2.96 | 5.28 |
| 422 | HSBC (Hongkong Shanghai Banking Corporation)
France | Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet
Hewlett-Packard | 1100 | 2006 | 2.95 | 5.28 |
| 423 | Digital China Ltd.
China | SuperDome 1.1 GHz/HyperPlex
Hewlett-Packard | 1236 | 2006 | 2.94 | 5.44 |
| 424 | Government
United States | Cray X1
Cray Inc. | 252 | 2003 | 2.93 | 3.23 |
| 425 | Techmex Far East Pte. Ltd.
Singapore | Integrity Superdome, Itanium2 1.5 GHz, HyperPlex
Hewlett-Packard | 656 | 2006 | 2.93 | 3.94 |
| 426 | Semiconductor Company (C)
United States | xSeries Xeon 3.06 GHz - Gig-E
IBM | 780 | 2004 | 2.93 | 4.77 |
| 427 | Central Research Institute of Electric Power Industry/CRIEPI
Japan | SX8/192M24
NEC | 192 | 2006 | 2.91 | 3.07 |
| 428 | Petro China
China | Blade Cluster BL-20P, Pentium4 Xeon 3.4 GHz, GigEthernet
Hewlett-Packard | 792 | 2006 | 2.91 | 5.39 |
| 429 | University of Tokyo/Institute for Solid State Physics
Japan | SGI Altix 3700 Bx2, 1.5 GHz, NUMAlink, GigEth
SGI | 1280 | 2005 | 2.89 | 7.68 |
| 430 | Sandia National Laboratories
United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 431 | Sandia National Laboratories
United States | ICC1 - Cluster Platform DL360G3, Pentium4 Xeon 2.8 GHz, Myrinet
Hewlett-Packard | 1024 | 2004 | 2.88 | 5.73 |
| 432 | Government Classified
United States | Cluster Platform 3000 DL360G3 Xeon 2.8 GHz GigEthernet
Hewlett-Packard | 1024 | 2005 | 2.88 | 5.73 |
| 433 | CINECA
Italy | BladeCenter LS20, Opteron 2.2 GHz Dual core, Infiniband
IBM | 1064 | 2006 | 2.87 | 4.68 |
| 434 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 736 | 2005 | 2.87 | 5.30 |
| 435 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz, Gig-Ethernet
IBM | 736 | 2005 | 2.87 | 4.71 |
| 436 | Government
United States | Cluster Platform 6000 rx1620, Itanium2 1.6 GHz, Quadrics
Hewlett-Packard | 504 | 2006 | 2.87 | 3.23 |
| 437 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 438 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 439 | NOAA/Geophysical Fluid Dynamics Laboratory (GFDL)
United States | SGI Altix 3700 Bx2, 1.5 GHz, Numalink
SGI | 512 | 2005 | 2.87 | 3.07 |
| 440 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 441 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 442 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 443 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 444 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 445 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 446 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 447 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 448 | Bank (J)
United Kingdom | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 449 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 450 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 451 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 452 | Sun Trust Florida
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz
Hewlett-Packard | 800 | 2005 | 2.86 | 5.12 |
| 453 | Government
United States | Cray XT3, 2.4 GHz
Cray Inc. | 740 | 2005 | 2.86 | 3.55 |
| 454 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 455 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 456 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 457 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 458 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 459 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 460 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 461 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 462 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 463 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 464 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 465 | Digital Media Company (D)
United States | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 1000 | 2005 | 2.86 | 5.60 |
| 466 | Cisco
United States | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 467 | EDS
United Kingdom | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 468 | Hartford Fire
United States | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 469 | NACF
Korea, South | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 470 | Samsung SDS
Korea, South | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 471 | Telecom Italia
Italy | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 472 | Telecom Italia
Italy | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 473 | Telecommunication Company
United States | SuperDome 1 GHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 474 | Telkom SA
South Africa | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 475 | Telkom SA
South Africa | SuperDome 875 MHz/HyperPlex
Hewlett-Packard | 1536 | 2006 | 2.85 | 5.38 |
| 476 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 734 | 2005 | 2.85 | 4.70 |
| 477 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.6 GHz - Gig-Ethernet
IBM | 722 | 2005 | 2.83 | 5.20 |
| 478 | Sun
United States | Fire V20z Cluster, Opteron 2.2 GHz dual core, Infiniband, Linux
Sun Microsystems | 1024 | 2006 | 2.81 | 4.51 |
| 479 | Defense Classified
United States | Cluster Platform 4000 DL145 Opteron 2.4 GHz GigEthernet
Hewlett-Packard | 1024 | 2005 | 2.80 | 4.92 |
| 480 | University of Notre Dame
United States | Union Station Cluster - Fire V60x/X2100 Cluster Opteron 2.2GHz dual core/Xeon 3.06GHz, GigEthernet
Sun Microsystems | 960 | 2006 | 2.80 | 4.62 |
| 481 | DCSC, University of Copenhagen
Denmark | eServer 326 Cluster. Opteron 2.6 GHz, GigEthernet
IBM | 1024 | 2005 | 2.79 | 5.32 |
| 482 | Semiconductor Company (L)
India | eServer, Opteron 2.6 GHz, GigEthernet
IBM | 1024 | 2005 | 2.79 | 5.32 |
| 483 | IN2P3
France | eServer 326 Cluster. Opteron 2.4 GHz, GigEthernet
IBM | 1060 | 2006 | 2.79 | 5.09 |
| 484 | Gaming Company (B)
Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 884 | 2005 | 2.77 | 4.95 |
| 485 | Gaming Company (B)
Taiwan | Blade Cluster BL-20P, Pentium4 Xeon 2.8 GHz, GigEthernet
Hewlett-Packard | 884 | 2005 | 2.77 | 4.95 |
| 486 | Acxiom
United States | Cluster Platform 3000 DL360G3 Xeon 3.2 GHz Myrinet
Hewlett-Packard | 800 | 2005 | 2.76 | 5.12 |
| 487 | Deutscher Wetterdienst
Germany | eServer pSeries p5 575 1.9 GHz
IBM | 416 | 2005 | 2.76 | 3.16 |
| 488 | Deutscher Wetterdienst
Germany | eServer pSeries p5 575 1.9 GHz
IBM | 416 | 2005 | 2.76 | 3.16 |
| 489 | Semiconductor Company (C)
United States | BladeCenter HS20 Cluster, Xeon EM64T 3.2 GHz - Gig-Ethernet
IBM | 698 | 2005 | 2.75 | 4.47 |
| 490 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 491 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 492 | Government
Germany | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 493 | Government
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 494 | Sandia National Laboratories
United States | Cluster Platform 3000 DL360G4 Xeon 3.4 GHz, Myrinet
Hewlett-Packard | 512 | 2005 | 2.74 | 3.48 |
| 495 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 496 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 497 | Petroleum Company (G)
Saudia Arabia | Cluster Platform 3000 DL360G3 Xeon 3.06 GHz, GigEthernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 498 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 499 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
| 500 | Telecommunication Company
United States | Blade Cluster BL-20P, Pentium4 Xeon 3.06 GHz, Gig-Ethernet
Hewlett-Packard | 800 | 2005 | 2.74 | 4.90 |
