| Country | Rank | Manufacturer | Computer | Rmax | Installation Site | Year | Area of Installation | # Proc | Rpeak | Nmax | N1/2 |
|---|---|---|---|---|---|---|---|---|---|---|---|
| Denmark | 350 | IBM | SP Power3 375 MHz | 51.1 | Telecom Denmark (Danadata) | 2000 | Industry Telecomm | 48 | 72 | . | . |
| Finland | 47 | Cray Inc. | T3E750 | 284.1 | CSC (Center for Scientific Computing) Espoo | 2000 | Academic | 540 | 405 | . | . |
| Finland | 213 | SGI | ORIGIN 2000 300 MHz | 62.25 | CSC (Centre for Sientific Computing) Espoo | 1999 | Academic | 128 | 76.8 | 60032 | 9000 |
| France | 46 | Fujitsu | VPP5000/31 | 286.9 | Meteo-France Toulouse | 1999 | Research Weather | 31 | 297.6 | . | . |
| France | 48 | NEC | SX-5/38M3 | 280 | CNRS/IDRIS Orsay | 2000 | Academic | 38 | 304 | . | . |
| France | 69 | Compaq | AlphaServer SC ES40/EV67 | 211 | Commissariat a l'Energie Atomique (CEA) Grenoble | 1999 | Research Energy | 232 | 309.5 | 120000 | . |
| France | 90 | Fujitsu | VPP5000/15 | 139.8 | Commissariat a l'Energie Atomique (CEA) Grenoble | 1999 | Research Energy | 15 | 144 | . | . |
| France | 102 | NEC | SX-5/16A | 123.3 | ONERA | 1999 | Research Aerospace | 16 | 128 | 99840 | 1340 |
| France | 113 | Cray Inc. | T3E | 117.9 | CNRS/IDRIS Orsay | 1996 | Academic | 268 | 160.8 | . | . |
| France | 117 | IBM | SP PC604e 332 MHz | 113.1 | France Telecom | 1999 | Industry Telecomm | 368 | 244.2 | . | . |
| France | 127 | SGI | ORIGIN 2000 300 MHz | 101.4 | Centre Informatique National (CINES) | 1999 | Research | 256 | 153.6 | 86400 | 13248 |
| France | 136 | IBM | SP PC604e 332 MHz | 97.3 | Banque National Paris | 1999 | Industry Finance | 316 | 209.7 | . | . |
| France | 144 | IBM | SP PC604e 332 MHz | 84 | Alcatel | 2000 | Industry Telecomm | 272 | 180.5 | . | . |
| France | 151 | Cray Inc. | T3E | 81.36 | Commissariat a l'Energie Atomique (CEA) Bruyeres | 1997 | Research | 188 | 112.8 | . | . |
| France | 182 | IBM | SP Power3 222 MHz | 71 | Centre Informatique National (CINES) Montpellier | 1999 | Academic | 112 | 99.4 | . | . |
| France | 188 | IBM | SP P2SC 120 MHz | 67.8 | Centre Informatique National (CINES) Montpellier | 1999 | Academic | 207 | 99.36 | . | . |
| France | 190 | IBM | SP Power3 375 MHz | 67.78 | Dassault Aviation | 2000 | Industry Aerospace | 64 | 96 | 76000 | 10400 |
| France | 234 | Sun | HPC 10000 400 MHz | 61.5 | Oil Company Paris | 1999 | Industry | 96 | 76.8 | . | . |
| France | 257 | Fujitsu | VPP700/26E | 58 | Meteo-France Toulouse | 1997 | Research Weather | 26 | 62.4 | 74880 | 5200 |
| France | 261 | IBM | SP P2SC 160 MHz | 57.24 | Oracle/IBM | 1998 | Industry Database | 128 | 81.92 | 39000 | 9180 |
| France | 268 | IBM | SP P2SC 160 MHz | 55.5 | Government | 1999 | Classified | 124 | 79.3 | . | . |
| France | 360 | IBM | SP PC604e 332 MHz | 49.6 | Government | 1999 | Classified | 158 | 104.89 | . | . |
| France | 385 | IBM | SP PC604e 332 MHz | 46.6 | Axone | 2000 | Industry | 148 | 98.25 | . | . |
| Germany | 5 | Hitachi | SR8000-F1/112 | 1035 | Leibniz Rechenzentrum Muenchen | 2000 | Academic | 112 | 1344 | 120000 | 15160 |
| Germany | 15 | Cray Inc. | T3E1200 | 671.2 | Deutscher Wetterdienst Offenbach | 1999 | Research Weather | 812 | 974.4 | . | . |
| Germany | 32 | Cray Inc. | T3E1200 | 447.8 | Forschungszentrum Juelich (FZJ) Juelich | 1999 | Research | 540 | 648 | 181440 | 17280 |
| Germany | 36 | Cray Inc. | T3E | 355.1 | Max-Planck-Gesellschaft MPI/IPP Garching | 1997 | Research | 812 | 487.2 | . | . |
| Germany | 39 | Cray Inc. | T3E900 | 341.3 | HWW/Universitaet Stuttgart Stuttgart | 1996 | Industry | 540 | 486 | . | . |
| Germany | 54 | Cray Inc. | T3E900 | 253.8 | ZIB/Konrad Zuse-Zentrum fuer Informationstechnik Berlin | 1999 | Academic | 404 | 363.6 | . | . |
| Germany | 61 | Cray Inc. | T3E | 234.9 | Forschungszentrum Juelich (FZJ) Juelich | 1996 | Research | 540 | 324 | 86400 | 14400 |
| Germany | 75 | IBM | SP Power3 375 MHz | 171 | Deutsche Telekom AG Darmstadt | 2000 | Industry Telecomm | 168 | 252 | . | . |
| Germany | 87 | IBM | SP Power3 375 MHz | 148 | GWDG Goettingen | 2000 | Academic | 144 | 216 | . | . |
| Germany | 92 | IBM | SP PC604e 332 MHz | 138 | DeTeCSM Bielefeld | 2000 | Industry Telecomm | 452 | 300 | . | . |
| Germany | 108 | NEC | SX-5/32Me2 | 121.5 | HWW/Universitaet Stuttgart Stuttgart | 2000 | Industry | 32 | 128 | . | . |
| Germany | 112 | IBM | SP Power3 375 MHz | 118 | Bayer AG | 2000 | Industry Chemistry | 114 | 171 | . | . |
| Germany | 123 | Fujitsu | VPP700/52 | 106.3 | Leibniz Rechenzentrum Muenchen | 1998 | Academic | 52 | 114.4 | . | . |
| Germany | 125 | IBM | SP PC604e 332 MHz | 105.2 | DeTeCSM | 1999 | Industry Telecomm | 342 | 227 | . | . |
| Germany | 131 | IBM | SP PC604e 332 MHz | 101 | Thyssen | 2000 | Industry Mechanics | 328 | 217.7 | . | . |
| Germany | 155 | Sun | HPC 10000 400 MHz | 79.36 | Deutsche Telekom AG Bamberg | 2000 | Industry Telecomm | 128 | 102.4 | 57120 | 10752 |
| Germany | 163 | IBM | SP PC604e 332 MHz | 79.17 | BASF Ludwigshafen | 1998 | Industry Chemistry | 256 | 169.9 | 89000 | 18000 |
| Germany | 164 | IBM | SP PC604e 332 MHz | 79.17 | Bayer AG | 1999 | Industry Chemistry | 256 | 169.9 | 89000 | 18000 |
| Germany | 165 | IBM | SP PC604e 332 MHz | 79.17 | Bayer AG | 1999 | Industry Chemistry | 256 | 169.9 | 89000 | 18000 |
| Germany | 168 | NEC | SX-4/40H2 | 77.2 | HWW/Universitaet Stuttgart Stuttgart | 1999 | Industry | 40 | 80 | . | . |
| Germany | 170 | IBM | SP Power3 200 MHz | 76.77 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 128 | 102 | 89000 | 11500 |
| Germany | 174 | IBM | SP PC604e 332 MHz | 75.5 | RWE | 1998 | Industry | 244 | 161.9 | . | . |
| Germany | 175 | IBM | SP PC604e 332 MHz | 74.9 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 242 | 160.6 | . | . |
| Germany | 178 | IBM | SP PC604e 332 MHz | 73.1 | Krupp Hoesch Info. | 2000 | Industry Database | 236 | 156.6 | . | . |
| Germany | 184 | IBM | SP PC604e 332 MHz | 69.5 | Deutsche Bank | 2000 | Industry Finance | 224 | 148 | . | . |
| Germany | 202 | Hewlett-Packard | N4000 440 MHz/HyperPlex | 63.8 | VW (Volkswagen AG) Wolfsburg | 2000 | Industry Automotive | 96 | 168.96 | . | . |
| Germany | 205 | IBM | SP Power3 200 MHz | 62.9 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 104 | 82.9 | . | . |
| Germany | 233 | Sun | HPC 10000 400 MHz | 61.5 | Deutsche Telekom AG Bamberg | 2000 | Industry Telecomm | 96 | 76.8 | . | . |
| Germany | 245 | IBM | SP PC604e 332 MHz | 58.7 | BMW AG Muenchen | 2000 | Industry Automotive | 188 | 124.7 | . | . |
| Germany | 246 | IBM | SP PC604e 332 MHz | 58.7 | Deutsche Bank Frankfurt | 1999 | Industry Finance | 188 | 124.7 | . | . |
| Germany | 254 | Cray Inc. | T3E | 58.28 | AWI (Alfred Wegener Institut) Bremerhaven | 1998 | Research | 134 | 80.4 | . | . |
| Germany | 267 | NEC | sx5s/16h4 | 56 | VW (Volkswagen AG) Wolfsburg | 2000 | Industry Automotive | 16 | 64 | . | . |
| Germany | 270 | IBM | SP PC604e 332 MHz | 55.1 | Bayer AG | 1999 | Industry Chemistry | 176 | 116.8 | . | . |
| Germany | 275 | Sun | HPC 10000 333 MHz | 54.6 | Telecommunications | 2000 | Industry Telecomm | 104 | 69.2 | . | . |
| Germany | 284 | Sun | HPC 10000 400 MHz | 52.7 | T-Online Weiterstadt | 2000 | Industry Telecomm | 80 | 64 | . | . |
| Germany | 311 | IBM | SP PC604e 332 MHz | 51.4 | DeTeCSM Bonn | 1999 | Industry In.Pr. Service | 164 | 108.8 | . | . |
| Germany | 322 | Hewlett-Packard | V2500/HyperPlex | 51.2 | Artmedia Berlin | 1999 | Industry | 64 | 112.64 | . | . |
| Germany | 325 | Hewlett-Packard | V2500/HyperPlex | 51.2 | BMW AG Muenchen | 2000 | Industry Automotive | 64 | 112.64 | . | . |
| Germany | 326 | Hewlett-Packard | V2500/HyperPlex | 51.2 | BMW AG Muenchen | 2000 | Industry Automotive | 64 | 112.64 | . | . |
| Germany | 327 | Hewlett-Packard | V2500/HyperPlex | 51.2 | BMW AG Muenchen | 2000 | Industry Automotive | 64 | 112.64 | . | . |
| Germany | 328 | Hewlett-Packard | V2500/HyperPlex | 51.2 | BMW AG Muenchen | 2000 | Industry Automotive | 64 | 112.64 | . | . |
| Germany | 329 | Hewlett-Packard | V2500/HyperPlex | 51.2 | BMW AG Muenchen | 2000 | Industry Automotive | 64 | 112.64 | . | . |
| Germany | 331 | Hewlett-Packard | V2500/HyperPlex | 51.2 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 64 | 112.64 | . | . |
| Germany | 332 | Hewlett-Packard | V2500/HyperPlex | 51.2 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 64 | 112.64 | . | . |
| Germany | 333 | Hewlett-Packard | V2500/HyperPlex | 51.2 | Deutsche Telekom AG Darmstadt | 1999 | Industry Telecomm | 64 | 112.64 | . | . |
| Germany | 347 | IBM | SP Power3 375 MHz | 51.1 | BASF Ludwigshafen | 2000 | Industry Chemistry | 48 | 72 | . | . |
| Germany | 349 | IBM | SP Power3 375 MHz | 51.1 | Max-Planck-Gesellschaft MPI/Festkoerperforschung Stuttgart | 2000 | Research | 48 | 72 | . | . |
| Germany | 354 | IBM | SP PC604e 332 MHz | 50.8 | BASF Ludwigshafen | 1999 | Industry Chemistry | 162 | 107.5 | . | . |
| Germany | 356 | Hewlett-Packard | N4000 440 MHz/HyperPlex | 50.4 | Government | 1999 | Classified | 80 | 140.8 | . | . |
| Germany | 359 | IBM | SP PC604e 332 MHz | 49.6 | Dresdner Bank | 2000 | Industry | 158 | 104.89 | . | . |
| Germany | 370 | Sun | HPC 10000 400 MHz | 48.2 | E-Commerce | 1999 | Industry Telecomm | 72 | 57.6 | . | . |
| Germany | 383 | IBM | SP Power3 375 MHz | 46.9 | INA Werk Schaffler | 2000 | Industry | 44 | 66 | . | . |
| Germany | 397 | IBM | SP PC604e 332 MHz | 45.4 | Merck | 1999 | Industry Pharmaceutics | 144 | 95.6 | . | . |
| Germany | 404 | Sun | HPC 10000 400 MHz | 44.57 | Aerospace Company Cologne | 2000 | Industry Aerospace | 64 | 51.2 | 39936 | 4032 |
| Germany | 405 | Sun | HPC 10000 400 MHz | 44.57 | Aerospace Company Cologne | 2000 | Industry Aerospace | 64 | 51.2 | 39936 | 4032 |
| Germany | 450 | Sun | HPC 10000 400 MHz | 44.57 | Mannesmann Mobilfunk Duesseldorf | 2000 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Germany | 464 | Sun | HPC 10000 400 MHz | 44.57 | Universitaet Hannover Hannover | 2000 | Academic | 64 | 51.2 | 39936 | 4032 |
| Germany | 473 | IBM | SP2/256 | 44.2 | Universitaet/Forschungszentrum Karlsruhe Karlsruhe | 1997 | Academic | 256 | 68 | 53000 | 13500 |
| Germany | 475 | Hewlett-Packard | N4000 360 MHz/HyperPlex | 44.1 | Max-Planck-Gesellschaft MPI/Fritz-Haber-Institut Berlin | 1999 | Research | 80 | 115.2 | . | . |
| Germany | 480 | Sun | HPC 10000 400 MHz | 43.82 | AT&T Bamberg | 2000 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Germany | 494 | Sun | HPC 10000 400 MHz | 43.82 | Commerzbank Frankfurt | 1999 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Germany | 495 | Sun | HPC 10000 400 MHz | 43.82 | Commerzbank Kelsterbach | 1999 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Germany | 496 | Sun | HPC 10000 400 MHz | 43.82 | Deutsche Bank Frankfurt | 1999 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Germany | 497 | Sun | HPC 10000 400 MHz | 43.82 | Deutsche Telekom AG Bamberg | 1999 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Germany | 498 | Sun | HPC 10000 400 MHz | 43.82 | Deutsche Telekom AG Bamberg | 1999 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Greece | 476 | Hewlett-Packard | V2600/SCA | 44 | University of Athens Athen | 2000 | Academic | 48 | 105.98 | . | . |
| Italy | 66 | Cray Inc. | T3E1200 | 221.77 | CINECA Bologna | 1999 | Academic | 268 | 321.6 | . | . |
| Italy | 357 | IBM | SP PC604e 332 MHz | 50.2 | SOGEI | 1998 | Government | 160 | 106.2 | . | . |
| Italy | 358 | IBM | SP PC604e 332 MHz | 50.2 | Telecom Italia | 1998 | Industry Telecomm | 160 | 106.2 | . | . |
| Italy | 411 | Sun | HPC 10000 400 MHz | 44.57 | Bank Milano | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Italy | 412 | Sun | HPC 10000 400 MHz | 44.57 | Bank Milano | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Italy | 429 | Sun | HPC 10000 400 MHz | 44.57 | Fineco Milano | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Luxembourg | 154 | Sun | HPC 10000 400 MHz | 79.36 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 128 | 102.4 | 57120 | 10752 |
| Luxembourg | 420 | Sun | HPC 10000 400 MHz | 44.57 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Luxembourg | 421 | Sun | HPC 10000 400 MHz | 44.57 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Luxembourg | 491 | Sun | HPC 10000 400 MHz | 43.82 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Luxembourg | 492 | Sun | HPC 10000 400 MHz | 43.82 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Luxembourg | 493 | Sun | HPC 10000 400 MHz | 43.82 | Clearstream Services Grande Duchesse | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| Netherlands | 88 | IBM | SP PC604e 332 MHz | 145 | Philips Lightning | 2000 | Industry Electronics | 476 | 316 | . | . |
| Netherlands | 241 | NEC | SX-5/8B | 59.62 | National Aerospace Laboratory (NLR) Noordoostpolder | 1999 | Research Aerospace | 8 | 64 | . | . |
| Netherlands | 256 | Cray Inc. | T3E | 58.28 | Technical University Delft (TUD) Delft | 1997 | Academic | 134 | 80.4 | . | . |
| Netherlands | 308 | SGI | ORIGIN 2000 250 MHz | 51.44 | UNITE | 1999 | Academic | 128 | 64 | 61000 | 10000 |
| Netherlands | 395 | IBM | SP PC604e 332 MHz | 45.4 | APAC Hong Kong (EHU) | 1999 | Industry | 144 | 95.6 | . | . |
| Poland | 235 | Sun | HPC 10000 400 MHz | 61.5 | Telecommunications Warsaw | 2000 | Industry | 96 | 76.8 | . | . |
| Spain | 456 | Sun | HPC 10000 400 MHz | 44.57 | Telecommunication Company Madrid | 2000 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Spain | 457 | Sun | HPC 10000 400 MHz | 44.57 | Telecommunication Company Madrid | 2000 | Industry Telecomm | 64 | 51.2 | 39936 | 4032 |
| Sweden | 115 | Cray Inc. | T3E | 117.9 | National Supercomputer Centre (NSC) Linkoping | 1997 | Academic | 268 | 160.8 | . | . |
| Sweden | 118 | IBM | SP Power3 200 MHz | 113 | Volvo Gothenberg | 1999 | Industry Automotive | 192 | 153.5 | . | . |
| Sweden | 197 | IBM | SP P2SC 160 MHz | 64.8 | KTH - Royal Institute of Technology Stockholm | 1998 | Research | 146 | 93.44 | . | . |
| Sweden | 346 | Hewlett-Packard | V2500/HyperPlex | 51.2 | Volvo Gothenberg | 1999 | Industry Automotive | 64 | 112.64 | . | . |
| Sweden | 380 | SGI | ORIGIN 2000 300 MHz | 47.7 | Lunds Tekniska Hvgskola | 1999 | Academic | 100 | 60 | . | . |
| Switzerland | 171 | IBM | SP Power3 200 MHz | 76.77 | IBM Research | 1999 | Research | 128 | 102 | 89000 | 11500 |
| Switzerland | 242 | NEC | SX-5/8A | 59.62 | Swiss Scientific Computing Center (CSCS) Manno | 1999 | Research | 8 | 64 | . | . |
| Switzerland | 285 | IBM | SP PC604e 332 MHz | 52 | Deutsche Bank | 1999 | Industry Finance | 166 | 110.1 | . | . |
| Switzerland | 369 | Sun | HPC 10000 400 MHz | 48.2 | Bank Zurich | 2000 | Industry Finance | 72 | 57.6 | . | . |
| Switzerland | 384 | IBM | SP Power3 375 MHz | 46.9 | Kuoni AG Reisebuero | 2000 | Industry | 44 | 66 | . | . |
| Switzerland | 391 | IBM | SP PC604e 332 MHz | 46 | Atraxis AG | 2000 | Industry | 146 | 96.9 | . | . |
| Switzerland | 396 | IBM | SP PC604e 332 MHz | 45.4 | EVE Bank | 1999 | Industry Finance | 144 | 95.6 | . | . |
| Switzerland | 400 | IBM | SP PC604e 332 MHz | 45.4 | UBS AG | 1999 | Industry Finance | 144 | 95.6 | . | . |
| UK | 14 | Cray Inc. | T3E1200 | 671.2 | CSAR at the University of Manchester Manchester | 2000 | Academic | 812 | 974.4 | . | . |
| UK | 18 | Cray Inc. | T3E900 | 552.92 | United Kingdom Meteorological Office Bracknell | 1997 | Research Weather | 876 | 788.4 | . | . |
| UK | 20 | Cray Inc. | T3E1200 | 526.6 | United Kingdom Meteorological Office Bracknell | 1999 | Research Weather | 636 | 763.2 | . | . |
| UK | 38 | Fujitsu | VPP5000/38 | 345 | ECMWF Reading | 1999 | Research Weather | 38 | 364.8 | . | . |
| UK | 67 | Cray Inc. | T3E900 | 218.9 | University of Edinburgh Edinburgh | 1997 | Academic | 348 | 313.2 | . | . |
| UK | 68 | Fujitsu | VPP700/116 | 213 | ECMWF Reading | 1997 | Research Weather | 116 | 255.2 | 111360 | 18560 |
| UK | 120 | IBM | SP P2SC 160 MHz | 109.9 | Atomic Weapons Establishment Aldermaston | 1999 | Classified | 252 | 161.2 | . | . |
| UK | 135 | Fujitsu | VPP700/48E | 97.5 | ECMWF Reading | 1998 | Research Weather | 48 | 115.2 | . | . |
| UK | 139 | IBM | SP PC604e 332 MHz | 93.1 | British Airways | 1999 | Industry Transportation | 302 | 200.4 | . | . |
| UK | 145 | IBM | SP Power3 375 MHz | 84 | University of Manchester Manchester | 2000 | Academic | 80 | 120 | . | . |
| UK | 146 | IBM | SP P2SC 160 MHz | 83.5 | Western Geophysical London | 1999 | Industry Geophysics | 190 | 121.6 | . | . |
| UK | 167 | IBM | SP P2SC 160 MHz | 78.4 | Government | 1999 | Classified | 178 | 113.9 | . | . |
| UK | 173 | IBM | SP Power3 375 MHz | 75.9 | Ensign Geophysics | 2000 | Industry Geophysics | 72 | 108 | . | . |
| UK | 183 | Sun | HPC 10000 400 MHz | 70.4 | Prudential Insurance Dudley | 1999 | Industry Database | 112 | 89.6 | . | . |
| UK | 249 | Hitachi | SR2201/256 | 58.68 | University of Cambridge Cambridge | 1998 | Academic | 256 | 77 | 77760 | 13440 |
| UK | 253 | IBM | SP Power3 200 MHz | 58.3 | Geco-Prakla Gatwick | 2000 | Industry Geophysics | 96 | 76.6 | . | . |
| UK | 258 | IBM | SP PC604e 332 MHz | 57.51 | ISSC | 1999 | Industry | 184 | 122.13 | . | . |
| UK | 266 | IBM | SP Power3 200 MHz | 56 | Government | 1998 | Classified | 92 | 73.4 | . | . |
| UK | 281 | Sun | HPC 10000 400 MHz | 52.7 | Motorola Bathgate | 2000 | Industry Electronics | 80 | 64 | . | . |
| UK | 289 | SGI | ORIGIN 2000 250 MHz | 51.44 | Computer Sciences Corporation (CSC) Farnborough | 1998 | Industry Aerospace | 128 | 64 | 61000 | 10000 |
| UK | 351 | IBM | SP Power3 375 MHz | 51.1 | UK Post Office | 2000 | Government | 48 | 72 | . | . |
| UK | 387 | IBM | SP PC604e 332 MHz | 46.6 | Sony Data | 1999 | Industry | 148 | 98.25 | . | . |
| UK | 403 | IBM | SP Power3 375 MHz | 44.9 | British Airways | 2000 | Industry Transportation | 42 | 63 | . | . |
| UK | 408 | Sun | HPC 10000 400 MHz | 44.57 | Bank | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| UK | 409 | Sun | HPC 10000 400 MHz | 44.57 | Bank London | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| UK | 410 | Sun | HPC 10000 400 MHz | 44.57 | Bank London | 2000 | Industry Finance | 64 | 51.2 | 39936 | 4032 |
| UK | 465 | Sun | HPC 10000 400 MHz | 44.57 | University for Industry London | 2000 | Academic | 64 | 51.2 | 39936 | 4032 |
| UK | 471 | IBM | SP PC604e 332 MHz | 44.27 | Atomic Weapons Establishment Aldermaston | 1998 | Classified | 140 | 92.95 | . | . |