Italy
In November 2004, 15 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 61 | BladeCenter HS20 Xeon 3.06 GHz, Myrinet | 768 | N/A | 3231 | 4700 | IBM |
| 213 | pSeries 690 Turbo 1.3GHz | 512 | N/A | 1384 | 2662.4 | IBM |
| 235 | SuperDome 875 MHz/HyperPlex | 640 | N/A | 1276.7 | 2240 | HP |
| 236 | SuperDome 875 MHz/HyperPlex | 640 | N/A | 1276.7 | 2240 | HP |
| 237 | SuperDome 875 MHz/HyperPlex | 640 | N/A | 1276.7 | 2240 | HP |
| 238 | SuperDome 875 MHz/HyperPlex | 640 | N/A | 1276.7 | 2240 | HP |
| 266 | Integrity Superdome, 1.5 GHz, HPlex | 288 | N/A | 1210 | 1728 | HP |
| 299 | SuperDome 1 GHz/HPlex | 512 | N/A | 1170 | 2048 | HP |
| 331 | Pentium4 Xeon 3.06 GHz, Myrinet | 256 | N/A | 1084 | 1566.72 | Exadron |
| 352 | SuperDome 875 MHz/HyperPlex | 512 | N/A | 1048 | 1792 | HP |
| 368 | Cluster Platform 3000 DL360G3, Xeon 3.2 GHz, Myrinet | 260 | N/A | 1015.5 | 1664 | HP |
| 387 | SuperDome 875 MHz/HyperPlex | 512 | N/A | 1013 | 1792 | HP |
| 403 | eServer Opteron 2.2 GHZ, Gig-E | 800 | N/A | 987.1 | 3520 | IBM |
| 404 | eServer Opteron 2.0 GHZ, Gig-E | 512 | N/A | 987.1 | 2048 | IBM |
| 437 | SuperDome 875 MHz/HyperPlex | 480 | N/A | 960.3 | 1680 | HP |