Sites MareNostrum
| System Name | MareNostrum |
| Site | Barcelona Supercomputing Center |
| System Family | IBM Cluster |
| System Model | BladeCenter JS20 CLuster |
| Computer | eServer BladeCenter JS20 (PowerPC970 2.2 GHz), Myrinet |
| Vendor | IBM |
| URL | http://www.bsc.org.es/ |
| Application area | Not Specified |
| Installation Year | 2004 |
| Operating System | Linux |
| Interconnect | Myrinet |
| Processor | PowerPC 970 2200 MHz (8.8 GFlops) |