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In November 2003, 37 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
1 Earth-Simulator 5120 N/A 35860 40960 NEC
11 PRIMEPOWER HPC2500 (1.3 GHz) 2304 N/A 5406 11980 Fujitsu
19 Cray X1 252 N/A 2932.9 3225.6 Cray Inc.
20 Cray X1 252 N/A 2932.9 3225.6 Cray Inc.
21 Cray X1 252 N/A 2932.9 3225.6 Cray Inc.
60 SR8000/MPP 1152 N/A 1709.1 2074 Hitachi
64 SR8000-F1/168 168 N/A 1653 2016 Hitachi
69 SX-6/192M24 192 N/A 1484 1536 NEC
71 Cray X1 124 N/A 1448.42 1587.2 Cray Inc.
72 Cray X1 124 N/A 1448.42 1587.2 Cray Inc.
81 SX-7/160M5 160 N/A 1378 1412.8 NEC
88 SX-5/128M8 3.2ns 128 N/A 1192 1280 NEC
133 SX-6/128M16 128 N/A 982 1024 NEC
138 SX-6/120M15 120 N/A 927.6 960 NEC
139 SX-6/120M15 120 N/A 927.6 960 NEC
145 SR8000-F1/100 100 N/A 917 1200 Hitachi
155 SR8000/128 128 N/A 873 1024 Hitachi
174 SR8000-G1/64 64 N/A 790.7 921.6 Hitachi
191 VPP5000/80 80 N/A 730 768 Fujitsu
196 Cray X1 60 N/A 706.35 768 Cray Inc.
197 Cray X1 60 N/A 706.35 768 Cray Inc.
203 SR8000-E1/80 80 N/A 691.3 768 Hitachi
204 ORIGIN 2000 250 MHz 2048 N/A 690.9 1024 SGI
250 SX-6/80M10 80 N/A 616.9 640 NEC
271 SR8000-F1/60 60 N/A 577 720 Hitachi
278 VPP5000/64 64 N/A 563 614.4 Fujitsu
279 VPP5000/64 64 N/A 563 614.4 Fujitsu
280 VPP5000/64 64 N/A 563 614.4 Fujitsu
344 SX-6/64M8 64 N/A 495.2 512 NEC
345 SX-6/64M8 64 N/A 495.2 512 NEC
346 SX-6/64M8 64 N/A 495.2 512 NEC
351 VPP5000/56 56 N/A 492 537.6 Fujitsu
355 VPP800/63 63 N/A 482 504 Fujitsu
362 Cray X1 40 N/A 468.377 512 Cray Inc.
386 SR8000/64 64 N/A 449 512 Hitachi
408 Cray X1 36 N/A 422.1 460.8 Cray Inc.
409 Cray X1 36 N/A 422.1 460.8 Cray Inc.