| Rank | Site | Computer | Cores | Year | Rmax | Rpeak | | 301 | Financial Institution (U1)
United States | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet
IBM | 1304 | 2007 | 7.88 | 13.91 |
| 302 | Financial Institution (U1)
United States | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet
IBM | 1304 | 2007 | 7.88 | 13.91 |
| 303 | Banking (M)
United States | BladeCenter LS21, Opteron Dual Core 2.6 GHz, GigEthernet
IBM | 3200 | 2007 | 7.88 | 16.64 |
| 304 | Logistic Services (E)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 1084 | 2007 | 7.87 | 13.01 |
| 305 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1576 | 2007 | 7.78 | 16.81 |
| 306 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1576 | 2007 | 7.78 | 16.81 |
| 307 | Classified
Luxembourg | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 1408 | 2007 | 7.78 | 13.12 |
| 308 | Near East University
Turkey | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband
IBM | 1280 | 2007 | 7.74 | 11.95 |
| 309 | Online Gaming (D)
Singapore | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, Windows
IBM | 1280 | 2007 | 7.74 | 11.95 |
| 310 | Qualcomm
United States | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet
IBM | 1280 | 2007 | 7.74 | 11.95 |
| 311 | University at Buffalo, SUNY, Center for Computational Res.
United States | U2 - PowerEdge SC1425 3.2 GHz, Myrinet
Dell | 1536 | 2006 | 7.74 | 9.83 |
| 312 | UT SimCenter at Chattanooga
United States | PunchCard - PowerEdge 1950, 3 GHz, GigEthernet
Dell | 1296 | 2007 | 7.71 | 15.55 |
| 313 | Defense Classified
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband
Hewlett-Packard | 976 | 2007 | 7.61 | 11.71 |
| 314 | Honeywell
United States | xSeries x3650 Cluster Xeon dual core 2.33 GHz, GigEthernet
IBM | 1540 | 2007 | 7.60 | 14.37 |
| 315 | Belgacom
Belgium | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 1044 | 2007 | 7.60 | 12.53 |
| 316 | Financial Services (UK1)
United Kingdom | BladeCenter LS21, Opteron Dual Core 2.2 GHz, GigEthernet
IBM | 3080 | 2007 | 7.58 | 13.55 |
| 317 | Qualcomm
United States | xSeries x3550 Cluster Xeon, 2.333 GHz, GigEthernet
IBM | 1536 | 2007 | 7.58 | 14.33 |
| 318 | Biotechnology
United States | xSeries x3550 Cluster Xeon quad core, 2.66 GHz, GigEthernet
IBM | 1248 | 2007 | 7.55 | 13.31 |
| 319 | Purdue University
United States | BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet
IBM | 1024 | 2007 | 7.52 | 10.24 |
| 320 | CAE Company
Taiwan | xSeries x3650 Cluster Xeon dual core 2.33 GHz, GigEthernet
IBM | 1520 | 2007 | 7.50 | 14.17 |
| 321 | Classified
Germany | Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet
Hewlett-Packard | 1744 | 2007 | 7.50 | 12.98 |
| 322 | Statoil
Norway | Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband
Hewlett-Packard | 1024 | 2006 | 7.50 | 12.29 |
| 323 | Fannie Mae Mortgage
United States | BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet
IBM | 1512 | 2007 | 7.46 | 18.14 |
| 324 | Michigan State University
United States | SGI Altix XE 1300 Cluster Solutions, 2.33GHZ, Infiniband
SGI | 1024 | 2007 | 7.42 | 9.56 |
| 325 | Semiconductor Company (O)
United Kingdom | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband
Hewlett-Packard | 1068 | 2007 | 7.41 | 11.39 |
| 326 | Financial DCCoD (B)
United Kingdom | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 3000 | 2007 | 7.39 | 13.20 |
| 327 | Financial DCCoD (B)
United Kingdom | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 3000 | 2007 | 7.39 | 13.20 |
| 328 | IT Service Provider (B)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 1320 | 2007 | 7.34 | 12.32 |
| 329 | Universitaet Erlangen - Regionales Rechenzentrum Erlangen
Germany | Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband
Hewlett-Packard | 864 | 2007 | 7.32 | 10.39 |
| 330 | Right Media Inc
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 2560 | 2007 | 7.31 | 13.31 |
| 331 | NERSC/LBNL
United States | Seaborg - SP Power3 375 MHz 16 way
IBM | 6656 | 2002 | 7.30 | 9.98 |
| 332 | Government Classified
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 1000 | 2007 | 7.30 | 12.00 |
| 333 | Government Classified
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 1000 | 2007 | 7.30 | 12.00 |
| 334 | Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations
United States | BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband
IBM | 1848 | 2007 | 7.29 | 9.61 |
| 335 | HPFS/COMCAST
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 2552 | 2007 | 7.29 | 13.27 |
| 336 | Semiconductor Company (F)
India | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1476 | 2007 | 7.28 | 15.75 |
| 337 | Memory Set S.A.
Spain | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 996 | 2007 | 7.27 | 11.95 |
| 338 | IT Service Provider (C)
Netherlands | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet
Hewlett-Packard | 1128 | 2007 | 7.26 | 12.03 |
| 339 | Digital Media Company (G)
India | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet
IBM | 1200 | 2007 | 7.26 | 12.80 |
| 340 | Digital Media Company (G)
India | BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet
IBM | 1200 | 2007 | 7.26 | 12.80 |
| 341 | Financial Institution (P)
France | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet
IBM | 1200 | 2007 | 7.26 | 11.20 |
| 342 | Financial Services (H)
United States | BladeCenter LS21, Opteron Dual Core 2.6 GHz, GigEthernet
IBM | 2944 | 2007 | 7.25 | 15.31 |
| 343 | Cranfield University
United States | ASTRAL - Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband
Hewlett-Packard | 856 | 2007 | 7.25 | 10.27 |
| 344 | IT Service Provider (C)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 992 | 2007 | 7.24 | 11.90 |
| 345 | IT Service Provider (C)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 992 | 2007 | 7.24 | 11.90 |
| 346 | IT Service Provider (C)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 992 | 2007 | 7.24 | 11.90 |
| 347 | Semiconductor Company (M)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband
Hewlett-Packard | 1832 | 2007 | 7.24 | 9.53 |
| 348 | Semiconductor Company (M)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband
Hewlett-Packard | 1832 | 2007 | 7.24 | 9.53 |
| 349 | IT Service Provider (B)
United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet
Hewlett-Packard | 1304 | 2007 | 7.23 | 12.15 |
| 350 | Cray Inc.
United States | Cray XT4, 2.6 GHz
Cray Inc. | 1672 | 2007 | 7.22 | 8.69 |
| 351 | NCSA
United States | TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet
IBM | 1776 | 2004 | 7.22 | 10.26 |
| 352 | Cerner Corp.
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 988 | 2007 | 7.21 | 11.86 |
| 353 | Financial Institution
Sweden | Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet
Hewlett-Packard | 1292 | 2007 | 7.19 | 12.04 |
| 354 | US Army Research Laboratory (ARL)
United States | eServer Opteron 2.2 GHz. Myrinet
IBM | 2320 | 2004 | 7.19 | 10.21 |
| 355 | Banking B
Switzerland | xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet
IBM | 1184 | 2007 | 7.16 | 11.05 |
| 356 | Banking B
Switzerland | xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet
IBM | 1184 | 2007 | 7.16 | 11.05 |
| 357 | Semiconductor Company (C)
United States | xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet
IBM | 1184 | 2007 | 7.16 | 11.05 |
| 358 | Semiconductor Company (C)
United States | xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet
IBM | 1184 | 2007 | 7.16 | 11.05 |
| 359 | IT Service Provider (B)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet
Hewlett-Packard | 1108 | 2007 | 7.14 | 11.82 |
| 360 | Tokyo University - Institute for Cosmic Ray Research
Japan | SGI Altix ICE 8200, quad core 2.33 GHz
SGI | 1024 | 2007 | 7.13 | 9.56 |
| 361 | Web Services
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1444 | 2007 | 7.13 | 15.40 |
| 362 | Web Services
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1444 | 2007 | 7.13 | 15.40 |
| 363 | Bear Stearns
United States | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet
IBM | 1176 | 2007 | 7.11 | 10.97 |
| 364 | Bear Stearns
United States | BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet
IBM | 1176 | 2007 | 7.11 | 10.97 |
| 365 | Semiconductor Company (P)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband
Hewlett-Packard | 1024 | 2007 | 7.10 | 10.92 |
| 366 | Semiconductor Company (P)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband
Hewlett-Packard | 1024 | 2007 | 7.10 | 10.92 |
| 367 | IT Services Provider (C)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet
Hewlett-Packard | 2720 | 2007 | 7.09 | 13.06 |
| 368 | Logistic Services (E)
United States | Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet
Hewlett-Packard | 2464 | 2007 | 7.08 | 12.81 |
| 369 | Classified
United States | BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband
IBM | 1792 | 2007 | 7.07 | 9.32 |
| 370 | Banking (G2)
Germany | BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet
IBM | 1432 | 2007 | 7.07 | 13.36 |
| 371 | Geoscience (F)
India | xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet
IBM | 1168 | 2007 | 7.06 | 14.02 |
| 372 | Logistic Services (E)
United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet
Hewlett-Packard | 1096 | 2007 | 7.04 | 11.69 |
| 373 | Los Alamos National Laboratory
United States | Roadrunner 4 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband
IBM | 2304 | 2007 | 7.04 | 10.14 |
| 374 | Los Alamos National Laboratory
United States | Roadrunner 5 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband
IBM | 2304 | 2007 | 7.04 | 10.14 |
| 375 | Concat AG
Germany | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 956 | 2007 | 7.00 | 11.47 |
| 376 | Data Management
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1416 | 2007 | 6.99 | 15.11 |
| 377 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 378 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 379 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 380 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 381 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 382 | Gaming Company (B)
China | Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet
Hewlett-Packard | 1950 | 2007 | 6.98 | 12.48 |
| 383 | IT Service Provider (D)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 948 | 2007 | 6.94 | 11.38 |
| 384 | IT Service Provider (D)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 948 | 2007 | 6.94 | 11.38 |
| 385 | IT Service Provider (D)
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 948 | 2007 | 6.94 | 11.38 |
| 386 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 2800 | 2007 | 6.89 | 12.32 |
| 387 | Geoscience (P)
United States | BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet
IBM | 2800 | 2007 | 6.89 | 12.32 |
| 388 | Fermi National Accelerator Laboratory
United States | Kaon - Opteron 2.0 GHz, Infiniband
Self-made | 2400 | 2006 | 6.89 | 9.60 |
| 389 | Cerner Corp.
United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.0GHz, GigEthernet
Hewlett-Packard | 1464 | 2007 | 6.89 | 11.71 |
| 390 | Cerner Corp.
United States | Cluster Platform 3000 BL460c, Xeon 53xx 2.0GHz, GigEthernet
Hewlett-Packard | 1464 | 2007 | 6.89 | 11.71 |
| 391 | University of Sherbrooke
Canada | Mp - PowerEdge SC1425 3.6 GHz- Infiniband
Dell | 1152 | 2005 | 6.89 | 8.29 |
| 392 | Nagoya University
Japan | PRIMEPOWER HPC2500 (2.08 GHz)
Fujitsu | 1664 | 2005 | 6.86 | 13.84 |
| 393 | Financial Institution (S1)
Spain | Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet
Hewlett-Packard | 1568 | 2007 | 6.82 | 11.67 |
| 394 | Financial Institution
Sweden | Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet
Hewlett-Packard | 1552 | 2007 | 6.76 | 11.55 |
| 395 | Concat AG
Germany | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 920 | 2007 | 6.75 | 11.04 |
| 396 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1364 | 2007 | 6.73 | 14.55 |
| 397 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1364 | 2007 | 6.73 | 14.55 |
| 398 | Financial Services (N)
United States | BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet
IBM | 1364 | 2007 | 6.73 | 14.55 |
| 399 | AVNET Computer
United States | Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet
Hewlett-Packard | 916 | 2007 | 6.72 | 10.99 |
| 400 | Environment Canada
Canada | Naos - eServer pSeries p5 575 1.9 GHz
IBM | 1024 | 2007 | 6.69 | 7.78 |
