| URL: | http://www.ameritrade.com/ | 
|---|---|
| Segment | Industry | 
| City: | Omaha | 
| Country/Region: | United States | 
| System | Year | Vendor | Cores | Rmax (GFlop/s) | Rpeak (GFlop/s) | 
|---|---|---|---|---|---|
| HPC 10000 400 MHz Cluster | 2000 | Sun Microsystems | 128 | 80.1 | 102.4 | 
| HPC 10000 400 MHz Cluster | 2000 | Sun Microsystems | 80 | 48.9 | 64 | 
| HPC 10000 400 MHz | 2000 | Sun Microsystems | 64 | 44.6 | 51.2 | 
| HPC 10000 400 MHz | 1999 | Sun Microsystems | 64 | 43.8 | 51.2 | 
| HPC 10000 400 MHz | 1999 | Sun Microsystems | 64 | 43.8 | 51.2 | 
| HPC 10000 333 MHz | 1999 | Sun Microsystems | 64 | 34.2 | 42.6 |