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TOP500 List - November 2007

R_max and R_peak values are in TFlop/s. For more details about other fields, check the TOP500 description.

R_peak values are calculated using the advertised clock rate of the CPU. For the efficiency of the systems you should take into account the Turbo CPU clock rate where it applies.

Rank	System	Cores	Rmax (TFlop/s)	Rpeak (TFlop/s)	Power (kW)
301	BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet, IBM Banking (M) United States	1,600	7.90	14.93	128
302	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE IT Service Provider (B) United States	1,012	7.89	12.14
303	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Financial Institution (U1) United States	1,304	7.88	13.91	60
304	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Financial Institution (U1) United States	1,304	7.88	13.91	60
305	BladeCenter LS21, Opteron Dual Core 2.6 GHz, GigEthernet, IBM Banking (M) United States	3,200	7.88	16.64	226
306	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Logistic Services (E) United States	1,084	7.87	13.01
307	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Financial Services (N) United States	1,576	7.78	16.81	147
308	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Financial Services (N) United States	1,576	7.78	16.81	147
309	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE Classified Luxembourg	1,408	7.78	13.12
310	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband, IBM Near East University Cyprus	1,280	7.74	11.94	51
311	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, Windows, IBM Online Gaming (D) Singapore	1,280	7.74	11.94	51
312	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Qualcomm United States	1,280	7.74	11.94	51
313	U2 - PowerEdge SC1425 3.2 GHz, Myrinet, DELL EMC University at Buffalo, SUNY, Center for Computational Res. United States	1,536	7.74	9.83
314	PunchCard - PowerEdge 1950, 3 GHz, GigEthernet, DELL EMC UT SimCenter at Chattanooga United States	1,296	7.71	15.55
315	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband, HPE Defense Classified United States	976	7.61	11.71
316	xSeries x3650 Cluster Xeon dual core 2.33 GHz, GigEthernet, IBM Honeywell United States	1,540	7.60	14.37	149
317	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Belgacom Belgium	1,044	7.60	12.53
318	BladeCenter LS21, Opteron Dual Core 2.2 GHz, GigEthernet, IBM Financial Services (UK1) United Kingdom	3,080	7.58	13.55	200
319	xSeries x3550 Cluster Xeon, 2.333 GHz, GigEthernet, IBM Qualcomm United States	1,536	7.58	14.33	140
320	xSeries x3550 Cluster Xeon quad core, 2.66 GHz, GigEthernet, IBM Biotechnology United States	1,248	7.55	13.31	72
321	BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet, IBM Purdue University United States	1,024	7.52	10.24
322	xSeries x3650 Cluster Xeon dual core 2.33 GHz, GigEthernet, IBM CAE Company Taiwan	1,520	7.50	14.17	147
323	Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet, HPE Classified Germany	1,744	7.50	12.98
324	Cluster Platform 3000 DL380 Xeon 51xx 3.0 Ghz, Infiniband, HPE Statoil Norway	1,024	7.50	12.29
325	BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet, IBM Fannie Mae Mortgage United States	1,512	7.46	18.14	144
326	SGI Altix XE 1300 Cluster Solutions, 2.33GHZ, Infiniband, HPE Michigan State University United States	1,024	7.42	9.56
327	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband, HPE Semiconductor Company (O) United Kingdom	1,068	7.41	11.39
328	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Financial DCCoD (B) United Kingdom	3,000	7.39	13.20	184
329	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Financial DCCoD (B) United Kingdom	3,000	7.39	13.20	184
330	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE IT Service Provider (B) United States	1,320	7.34	12.32
331	Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband, HPE Universitaet Erlangen - Regionales Rechenzentrum Erlangen Germany	864	7.32	10.39
332	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Right Media Inc United States	2,560	7.31	13.31
333	Seaborg - SP Power3 375 MHz 16 way, IBM DOE/SC/LBNL/NERSC United States	6,656	7.30	9.98
334	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Government Classified United States	1,000	7.30	12.00
335	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Government Classified United States	1,000	7.30	12.00
336	BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband, IBM Rensselaer Polytechnic Institute, Computational Center for Nanotechnology Innovations United States	1,848	7.29	9.61	131
337	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE HPFS/COMCAST United States	2,552	7.29	13.27
338	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Semiconductor Company (F) India	1,476	7.28	15.75	137
339	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Memory Set S.A. Spain	996	7.27	11.95
340	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE IT Service Provider (C) Netherlands	1,128	7.26	12.03
341	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Digital Media Company (G) India	1,200	7.26	12.80	55
342	BladeCenter HS21 Cluster, Xeon quad core 2.66 GHz, GigEthernet, IBM Digital Media Company (G) India	1,200	7.26	12.80	55
343	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Financial Institution (P) France	1,200	7.26	11.20	48
344	BladeCenter LS21, Opteron Dual Core 2.6 GHz, GigEthernet, IBM Financial Services (H) United States	2,944	7.25	15.31	208
345	ASTRAL - Cluster Platform 3000 DL140G3, Xeon 51xx 3 Ghz, Infiniband, HPE Cranfield University United States	856	7.25	10.27
346	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (C) United States	992	7.24	11.90
347	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (C) United States	992	7.24	11.90
348	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (C) United States	992	7.24	11.90
349	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband, HPE Semiconductor Company (M) United States	1,832	7.24	9.53
350	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband, HPE Semiconductor Company (M) United States	1,832	7.24	9.53
351	Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet, HPE IT Service Provider (B) United States	1,304	7.23	12.15
352	Cray XT4, 2.6 GHz, Cray/HPE Cray Inc. United States	1,672	7.22	8.69
353	TeraGrid, Itanium2 1.3/1.5 GHZ, Myrinet, IBM NCSA United States	1,776	7.21	10.26
354	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Cerner Corp. United States	988	7.21	11.86
355	Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, GigEthernet, HPE Financial Institution Sweden	1,292	7.19	12.04
356	eServer Opteron 2.2 GHz. Myrinet, IBM US Army Research Laboratory (ARL) United States	2,320	7.18	10.21
357	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Banking B Switzerland	1,184	7.16	11.05	65
358	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Banking B Switzerland	1,184	7.16	11.05	65
359	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Semiconductor Company (C) United States	1,184	7.16	11.05	65
360	xSeries x3550 Cluster Xeon quad core, 2.333 GHz, GigEthernet, IBM Semiconductor Company (C) United States	1,184	7.16	11.05	65
361	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet, HPE IT Service Provider (B) United States	1,108	7.14	11.82
362	SGI Altix ICE 8200, quad core 2.33 GHz, HPE Tokyo University - Institute for Cosmic Ray Research Japan	1,024	7.13	9.56
363	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Web Services United States	1,444	7.13	15.40	134
364	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Web Services United States	1,444	7.13	15.40	134
365	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Bear Stearns United States	1,176	7.11	10.97	47
366	BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, GigEthernet, IBM Bear Stearns United States	1,176	7.11	10.97	47
367	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband, HPE Semiconductor Company (P) United States	1,024	7.10	10.92
368	Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband, HPE Semiconductor Company (P) United States	1,024	7.10	10.92
369	Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet, HPE IT Services Provider (C) United States	2,720	7.09	13.06
370	Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet, HPE Logistic Services (E) United States	2,464	7.08	12.81
371	BladeCenter LS21, Opteron Dual Core 2.6 GHz, Infiniband, IBM Classified United States	1,792	7.07	9.32	127
372	BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet, IBM Banking (G2) Germany	1,432	7.07	13.36	115
373	xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet, IBM Geoscience (F) India	1,168	7.06	14.02	108
374	Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet, HPE Logistic Services (E) United States	1,096	7.04	11.69
375	Roadrunner 4 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband, IBM DOE/NNSA/LANL United States	2,304	7.04	10.14	259
376	Roadrunner 5 - xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband, IBM DOE/NNSA/LANL United States	2,304	7.04	10.14	259
377	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Concat AG Germany	956	7.00	11.47
378	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Data Management United States	1,416	6.99	15.11	132
379	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
380	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
381	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
382	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
383	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
384	Blade Cluster BL-20P, Pentium4 Xeon 3.2 GHz, GigEthernet, HPE Gaming Company (B) China	1,950	6.98	12.48
385	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (D) United States	948	6.94	11.38
386	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (D) United States	948	6.94	11.38
387	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE IT Service Provider (D) United States	948	6.94	11.38
388	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Geoscience (P) United States	2,800	6.89	12.32	172
389	BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet, IBM Geoscience (P) United States	2,800	6.89	12.32	172
390	Kaon - Opteron 2.0 GHz, Infiniband, Self-made Fermi National Accelerator Laboratory United States	2,400	6.89	9.60
391	Cluster Platform 3000 BL460c, Xeon 53xx 2.0GHz, GigEthernet, HPE Cerner Corp. United States	1,464	6.89	11.71
392	Cluster Platform 3000 BL460c, Xeon 53xx 2.0GHz, GigEthernet, HPE Cerner Corp. United States	1,464	6.89	11.71
393	Mp - PowerEdge SC1425 3.6 GHz- Infiniband, DELL EMC University of Sherbrooke Canada	1,152	6.89	8.29
394	PRIMEPOWER HPC2500 (2.08 GHz), Fujitsu Nagoya University Japan	1,664	6.86	13.84
395	Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet, HPE Financial Institution (S1) Spain	1,568	6.82	11.67
396	Cluster Platform 3000 BL460c, Xeon 53xx 1.86GHz, GigEthernet, HPE Financial Institution Sweden	1,552	6.76	11.55
397	Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet, HPE Concat AG Germany	920	6.75	11.04
398	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Financial Services (N) United States	1,364	6.73	14.55	127
399	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Financial Services (N) United States	1,364	6.73	14.55	127
400	BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet, IBM Financial Services (N) United States	1,364	6.73	14.55	127