Proprietary
In November 1999, 4 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 1 | ASCI Red | 9632 | N/A | 2379 | 3207 | Intel |
| 226 | V2500/SCA | 64 | N/A | 51.2 | 112.64 | HP |
| 232 | V2500/SCA | 64 | N/A | 51.2 | 112.64 | HP |
| 233 | V2500/SCA | 64 | N/A | 51.2 | 112.64 | HP |