Topdawg - PowerEdge 1850, 3.2 GHz, Infiniband

List	Rank	System	Vendor	Total Cores	Rmax (TFlops)	Rpeak (TFlops)
06/2007	290	PowerEdge 1850, 3.2 GHz, Infiniband	Dell	1024	5.4	6.6
11/2006	123	PowerEdge 1850, 3.2 GHz, Infiniband	Dell	1024	5.4	6.6
06/2006	88	PowerEdge 1850, 3.2 GHz, Infiniband	Dell	1024	5.4	6.6
11/2005	66	PowerEdge 1850, 3.2 GHz, Infiniband	Dell	1024	5.4	6.6
06/2005	54	PowerEdge 1850, 3.2 GHz, Infiniband	Dell	1024	5.4	6.6

1	Titan - Cray XK7 , Opteron 6274 16C 2.200GHz, Cray Gemini interconnect, NVIDIA K20x
2	Sequoia - BlueGene/Q, Power BQC 16C 1.60 GHz, Custom
3	K computer, SPARC64 VIIIfx 2.0GHz, Tofu interconnect
4	Mira - BlueGene/Q, Power BQC 16C 1.60GHz, Custom
5	JUQUEEN - BlueGene/Q, Power BQC 16C 1.600GHz, Custom Interconnect
6	SuperMUC - iDataPlex DX360M4, Xeon E5-2680 8C 2.70GHz, Infiniband FDR
7	Stampede - PowerEdge C8220, Xeon E5-2680 8C 2.700GHz, Infiniband FDR, Intel Xeon Phi
8	Tianhe-1A - NUDT YH MPP, Xeon X5670 6C 2.93 GHz, NVIDIA 2050
9	Fermi - BlueGene/Q, Power BQC 16C 1.60GHz, Custom
10	DARPA Trial Subset - Power 775, POWER7 8C 3.836GHz, Custom Interconnect