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In November 2006, 11 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
14 Earth-Simulator 5120 N/A 35860 40960 NEC
29 Cray X1E (4GB) 1020 4080 15706 18442 Cray Inc.
32 Cray X1E (2GB) 1014 N/A 14955 18333 Cray Inc.
56 PACS-CS
PACS-CS, low voltage Xeon 2.8 GHz, 3D Hyper-Crossbar
2560 5120 10350 14336 Hitachi/Fujitsu
72 SX8/576M72 576 N/A 8923 9216 NEC
97 PRIMEPOWER HPC2500 (2.08 GHz) 1664 12288 6860 13844 Fujitsu
125 PRIMEPOWER HPC2500 (1.3 GHz) 2304 N/A 5406 11980 Fujitsu
161 PRIMEPOWER HPC2500 (1.56 GHz) 1472 N/A 4552 9185 Fujitsu
241 Cray X1E 252 504 3783.1 4556.16 Cray Inc.
424 Cray X1 252 N/A 2932.9 3225.6 Cray Inc.
427 SX8/192M24 192 1152 2914 3072 NEC