Sites Red Sky
| System Name | Red Sky |
| Site | Sandia National Laboratories / National Renewable Energy Laboratory |
| System Family | Sun Blade System |
| System Model | Sun Blade x6275 |
| Computer | Sun Blade x6275, Xeon X55xx 2.93 Ghz, Infiniband |
| Vendor | Sun Microsystems |
| Application area | Research |
| Main Memory | 22104 GB |
| Installation Year | 2009 |
| Operating System | CentOS |
| Memory | 22104 GB |
| Interconnect | Infiniband |
| Processor | Intel EM64T Xeon X55xx (Nehalem-EP) 2930 MHz (11.72 GFlops) |