| List | Rank | System | Vendor | Total Cores | Rmax (TFlop/s) | Rpeak (TFlop/s) | Power (kW) |
| 06/2013 | 428 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |
| 11/2012 | 280 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |
| 06/2012 | 174 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |
| 11/2011 | 113 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |
| 06/2011 | 80 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |
| 11/2010 | 67 | Dell Xanadu 3 Cluster, Xeon X5660 2.8 Ghz, QLogic InfiniBand QDR | DELL | 15,000 | 105.90 | 168.00 | |