United Kingdom
In June 2000, 28 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 14 | T3E1200 | 812 | N/A | 671 | 974.4 | Cray Inc. |
| 18 | T3E900 | 876 | N/A | 552 | 788.4 | Cray Inc. |
| 20 | T3E1200 | 636 | N/A | 526 | 763.2 | Cray Inc. |
| 38 | VPP5000/38 | 38 | N/A | 345 | 364.8 | Fujitsu |
| 67 | T3E900 | 348 | N/A | 218 | 313.2 | Cray Inc. |
| 68 | VPP700/116 | 116 | N/A | 213 | 255.2 | Fujitsu |
| 120 | SP P2SC 160 MHz | 252 | N/A | 109.9 | 161.2 | IBM |
| 135 | VPP700/48E | 48 | N/A | 97.5 | 115.2 | Fujitsu |
| 139 | SP PC604e 332 MHz | 302 | N/A | 93.1 | 200.5 | IBM |
| 144 | SP Power3 375 MHz | 80 | N/A | 84 | 120 | IBM |
| 145 | SP P2SC 160 MHz | 190 | N/A | 83.5 | 121.6 | IBM |
| 166 | SP P2SC 160 MHz | 178 | N/A | 78.4 | 113.9 | IBM |
| 172 | SP Power3 375 MHz | 72 | N/A | 75.9 | 108 | IBM |
| 182 | HPC 10000 400 MHz Cluster | 112 | N/A | 70.12 | 89.6 | Sun |
| 248 | SR2201/256 | 256 | N/A | 58.68 | 76.8 | Hitachi |
| 252 | SP Power3 200 MHz | 96 | N/A | 58.3 | 76.8 | IBM |
| 257 | SP PC604e 332 MHz | 184 | N/A | 57.51 | 122.17 | IBM |
| 265 | SP Power3 200 MHz | 92 | N/A | 56 | 73.6 | IBM |
| 282 | ORIGIN 2000 250 MHz | 128 | N/A | 51.44 | 64 | SGI |
| 344 | SP Power3 375 MHz | 48 | N/A | 51.1 | 72 | IBM |
| 360 | HPC 10000 400 MHz Cluster | 80 | N/A | 48.93 | 64 | Sun |
| 387 | SP PC604e 332 MHz | 148 | N/A | 46.6 | 98.29 | IBM |
| 402 | SP Power3 375 MHz | 42 | N/A | 44.9 | 63 | IBM |
| 408 | HPC 10000 400 MHz | 64 | N/A | 44.57 | 51.2 | Sun |
| 416 | HPC 10000 400 MHz | 64 | N/A | 44.57 | 51.2 | Sun |
| 417 | HPC 10000 400 MHz | 64 | N/A | 44.57 | 51.2 | Sun |
| 464 | HPC 10000 400 MHz | 64 | N/A | 44.57 | 51.2 | Sun |
| 470 | SP PC604e 332 MHz | 140 | N/A | 44.27 | 92.96 | IBM |