United Kingdom
In November 2000, 34 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 12 | VPP5000/100 | 100 | N/A | 886 | 960 | Fujitsu |
| 22 | T3E1200 | 812 | N/A | 671 | 974.4 | Cray Inc. |
| 26 | T3E900 | 876 | N/A | 552 | 788.4 | Cray Inc. |
| 29 | T3E1200 | 636 | N/A | 526 | 763.2 | Cray Inc. |
| 89 | T3E900 | 348 | N/A | 218 | 313.2 | Cray Inc. |
| 90 | VPP700/116 | 116 | N/A | 213 | 255.2 | Fujitsu |
| 152 | SP PC604e 332 MHz | 302 | N/A | 126 | 200.5 | IBM |
| 156 | SP Power3 375 MHz | 120 | N/A | 124 | 180 | IBM |
| 169 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.16 | 153.6 | Sun |
| 174 | HPC 10000 400 MHz Cluster | 192 | N/A | 118.16 | 153.6 | Sun |
| 190 | SP P2SC 160 MHz | 252 | N/A | 109.9 | 161.2 | IBM |
| 214 | VPP700/48E | 48 | N/A | 97.5 | 115.2 | Fujitsu |
| 225 | SP Power3 375 MHz | 88 | N/A | 92.1 | 132 | IBM |
| 253 | ORIGIN 3000 400 MHz | 128 | N/A | 85.44 | 102.4 | SGI |
| 276 | ORIGIN 2000 400 MHz | 128 | N/A | 81.76 | 102.4 | SGI |
| 286 | HPC 10000 400 MHz Cluster | 128 | N/A | 80.1 | 102.4 | Sun |
| 289 | HPC 10000 400 MHz Cluster | 128 | N/A | 80.1 | 102.4 | Sun |
| 295 | HPC 10000 400 MHz Cluster | 128 | N/A | 80.1 | 102.4 | Sun |
| 320 | SP P2SC 160 MHz | 178 | N/A | 78.4 | 113.9 | IBM |
| 330 | SP Power3 375 MHz | 72 | N/A | 75.9 | 108 | IBM |
| 331 | SP Power3 375 MHz | 72 | N/A | 75.9 | 108 | IBM |
| 333 | HPC 10000 400 MHz Cluster | 120 | N/A | 75.8 | 96 | Sun |
| 359 | HPC 10000 400 MHz Cluster | 112 | N/A | 70.12 | 89.6 | Sun |
| 372 | SP Power3 375 MHz | 64 | N/A | 67.78 | 96 | IBM |
| 413 | SP PC604e 332 MHz | 148 | N/A | 62.6 | 98.27 | IBM |
| 448 | SX-5/8B | 8 | N/A | 59.6 | 64 | NEC |
| 458 | SP PC604e 332 MHz | 140 | N/A | 59.3 | 92.96 | IBM |
| 462 | HPC 10000 400 MHz Cluster | 96 | N/A | 59.04 | 76.8 | Sun |
| 466 | HPC 10000 400 MHz Cluster | 96 | N/A | 59.04 | 76.8 | Sun |
| 471 | SR2201/256 | 256 | N/A | 58.68 | 76.8 | Hitachi |
| 474 | SP PC604e 332 MHz | 138 | N/A | 58.4 | 91.63 | IBM |
| 475 | SP Power3 200 MHz | 96 | N/A | 58.3 | 76.8 | IBM |
| 489 | SP PC604e 332 MHz | 134 | N/A | 56.7 | 88.97 | IBM |
| 493 | SP Power3 200 MHz | 92 | N/A | 56 | 73.6 | IBM |