Italy
In June 2004, 18 systems appeared in the TOP500 list.
| Rank | System | Procs | Memory(GB) | Rmax (GFlops) | Rpeak (GFlops) | Vendor |
|---|---|---|---|---|---|---|
| 63 | xSeries Xeon 3.06 GHz, Myrinet | 512 | N/A | 2223.15 | 3133.44 | IBM |
| 162 | pSeries 690 Turbo 1.3GHz | 512 | N/A | 1384 | 2662.4 | IBM |
| 211 | Pentium4 Xeon 3.06 GHz, Myrinet | 256 | N/A | 1084 | 1566.72 | Exadron |
| 240 | Cluster Platform 3000 DL360G3, Xeon 3.2 GHz, Myrinet | 260 | N/A | 1004 | 1664 | HP |
| 251 | eServer Opteron 2.0 GHZ, Gig-E | 512 | N/A | 987.1 | 2048 | IBM |
| 259 | Integrity Superdome, 1.5 GHz, HPlex | 192 | N/A | 969.1 | 1152 | HP |
| 356 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 360 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 361 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 362 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 363 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 364 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 365 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 366 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 756 | 1344 | HP |
| 380 | SuperDome 875 MHz/HyperPlex | 384 | N/A | 744 | 1344 | HP |
| 422 | SuperDome 875 MHz/HyperPlex | 352 | N/A | 691 | 1232 | HP |
| 472 | Integrity Superdome, 1.5 GHz, HPlex | 128 | N/A | 642.9 | 768 | HP |
| 486 | Integrity Superdome, 1.5 GHz, HPlex | 128 | N/A | 642.9 | 768 | HP |