United Kingdom Meteorological Office
In November 2003, 4 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 138 | SX-6/120M15 | 120 | N/A | 927.6 | 960 | NEC |
| 139 | SX-6/120M15 | 120 | N/A | 927.6 | 960 | NEC |
| 293 | T3E900 | 876 | N/A | 552 | 788.4 | Cray Inc. |
| 318 | T3E1200 | 636 | N/A | 526 | 763.2 | Cray Inc. |