Dell has 16 systems listed on the November 2009 Top500 list, featuring more than 85,766 processors http://bit.ly/dOvGJ.

See below for details listed from Top500.org.

Rmax and Rpeak values are in TFlops. For more details about other fields, check the TOP500 description.

Rank Site System Cores Rmax Rpeak
59 Maui High-Performance Computing Center (MHPCC)
United States
Dell PowerEdge M610 Cluster, Nehalem-EP 2.8Ghz, Infiniband
Dell
9210 80.58 103.22
73 NCSA
United States
PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4
Dell
9600 68.48 89.59
85 NNSA/Sandia National Laboratories
United States
PowerEdge 1850, 3.6 GHz, Infiniband
Dell
9024 53 64.97
105 Texas Advanced Computing Center/Univ. of Texas
United States
PowerEdge 1955, 2.66 GHz, Infiniband
Dell
5848 46.73 62.22
116 Maui High-Performance Computing Center (MHPCC)
United States
PowerEdge 1955, 3.0 GHz, Infiniband
Dell
5200 42.39 62.4
123 R-Systems
United States
Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband
Dell
4608 39.58 51.61
163 Louisiana Optical Network Initiative
United States
PowerEdge 1950, 2.33 GHz, Infiniband
Dell
5440 34.78 50.77
175 Texas Tech University
United States
PowerEdge 1950, Xeon E54xx 3.0 GHz, Infiniband
Dell
3344 33.53 40.03
183 Harvard University - FAS Research Computing
United States
PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband
Dell
4096 32.41 38.17
222 Arizona State University HPCI / Translational Genomics Research Institute HPBC
United States
PowerEdge M100e/M600, E54xx/X5355 2.83/2.66 GHz, Infiniband
Dell
4200 30.11 44.69
239 University of North Carolina
United States
PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband
Dell
4160 28.77 38.82
252 University of Oklahoma
United States
PowerEdge 1950, Xeon E54xx, 2 GHz, Infiniband
Dell
4176 28.03 33.41
277 Purdue University
United States
PowerEdge 1950, Xeon E54xx, 2.33 GHz, GigE
Dell
5600 26.8 52.25
278 Brigham Young University
United States
Dell PowerEdge M610 Cluster, Nehalem-EP 2.8Ghz, Infiniband
Dell
2560 26.76 28.67
436 Caltech
United States
PowerEdge 1950, 2.33 GHz, Myrinet
Dell
4096 22.59 37.7
468 Holland Computing Center at PKI
United States
PowerEdge SC1435 Dual core Opteron 2.8 GHz, Infiniband
Dell
4604 21.5 25.78