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In November 2008, 290 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
1 Roadrunner
BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Voltaire Infiniband		 129600 N/A 1.105e+06 1.4567e+06 IBM
2 Jaguar
Cray XT5 QC 2.3 GHz		 150152 N/A 1.059e+06 1.3814e+06 Cray Inc.
3 Pleiades
SGI Altix ICE 8200EX, Xeon QC 3.0/2.66 GHz		 51200 51200 487005 608829 SGI
4 BlueGene/L
eServer Blue Gene Solution		 212992 73728 478200 596378 IBM
5 Blue Gene/P Solution 163840 N/A 450300 557056 IBM
6 Ranger
SunBlade x6420, Opteron QC 2.3 Ghz, Infiniband		 62976 125952 433200 579379 Sun
7 Franklin
Cray XT4 QuadCore 2.3 GHz		 38642 77280 266300 355506 Cray Inc.
8 Jaguar
Cray XT4 QuadCore 2.1 GHz		 30976 N/A 205000 260200 Cray Inc.
9 Red Storm
Sandia/ Cray Red Storm, XT3/4, 2.4/2.2 GHz dual/quad core		 38208 N/A 204200 284000 Cray Inc.
12 Encanto
SGI Altix ICE 8200, Xeon quad core 3.0 GHz		 14336 28000 133200 172032 SGI
15 Kraken
Cray XT4 QuadCore 2.3 GHz		 17956 14976 125128 165195 Cray Inc.
20 Chinook
Cluster Platform 4000 DL185G5, Opteron QC 2.2 GHz, Infiniband DDR		 18176 N/A 97071 159949 HP
22 Power 575, p6 4.7 GHz, Infiniband 8288 N/A 92980 155814 IBM
25 BGW
eServer Blue Gene Solution		 40960 N/A 91290 114688 IBM
26 Cray XT5 QC 2.3 GHz 12733 N/A 90840 117134 Cray Inc.
28 New York Blue
eServer Blue Gene Solution		 36864 N/A 82161 103219 IBM
30 Cray XT5 QC 2.3 GHz 10400 N/A 76800 95680 Cray Inc.
33 ASC Purple
eServer pSeries p5 575 1.9 GHz		 12208 48832 75760 92781 IBM
34 eServer Blue Gene Solution 32768 N/A 73032 91750 IBM
36 Power 575, p6 4.7 GHz, Infiniband 4992 N/A 69735 93849.6 IBM
37 Abe
PowerEdge 1955, 2.33 GHz, Infiniband, Windows Server 2008/Red Hat Enterprise Linux 4		 9600 9600 68480 89587.2 Dell
38 Power 575, p6 4.7 GHz, Infiniband 4896 N/A 68393.9 92044.8 IBM
39 Columbia
SGI Altix 1.5/1.6/1.66 GHz, Voltaire Infiniband		 13824 27648 66567 82944 SGI
41 Cerrillos
BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Infiniband		 7200 N/A 63250 80928 IBM
42 BladeCenter QS22/LS21 Cluster, PowerXCell 8i 3.2 Ghz / Opteron DC 1.8 GHz , Infiniband 7200 N/A 63250 80928 IBM
43 bluefire
Power 575, p6 4.7 GHz, Infiniband		 4064 N/A 57734 76403.2 IBM
45 Jade
Cray XT4 QuadCore 2.1 GHz		 8464 N/A 56250 71097 Cray Inc.
47 Thunderbird
PowerEdge 1850, 3.6 GHz, Infiniband		 9024 N/A 53000 64972.8 Dell
49 Altix 4700 1.6 GHz 9216 20000 51441 58982 SGI
56 Blue Gene/P Solution 16384 N/A 46830 55706 IBM
58 Lonestar
PowerEdge 1955, 2.66 GHz, Infiniband		 5848 11600 46730 62220 Dell
60 Palmetto
PowerEdge 1950/SunFire X2200 Cluster Intel 53xx/54xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G		 6120 9180 45610 56548.8 Dell/Sun
61 HPC
PowerEdge 1950/SunFire X2200 Cluster Intel 53xx 2.33Ghz, Opteron 2.3 Ghz, Myrinet 10G		 6120 6144 44190 56304 Dell/Sun
63 Jaws
PowerEdge 1955, 3.0 GHz, Infiniband		 5200 5200 42390 62400 Dell
65 Michael J. Muuss Cluster (MJM)
Evolocity II (LS Supersystem) Xeon 51xx 3.0 GHz IB		 4416 8832 40610 52992 LNXI
67 R Smarr
Dell DCS CS23-SH, QC HT 2.8 GHz, Infiniband		 4608 65536 39580 51609.6 Dell
73 Atlas
Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband		 9216 18432 36620 44240 Appro
75 Sapphire
Cray XT3, 2.6 GHz dual Core		 8192 N/A 35200 42598.4 Cray Inc.
77 Queen Bee
PowerEdge 1950, 2.33 GHz, Infiniband		 5440 5440 34780 50766.1 Dell
79 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 5216 N/A 33334.5 62592 HP
81 Odyssey
PowerEdge M600 Cluster, Xeon E5410 2.3Ghz, Infiniband		 4096 16384 32410 38175 Dell
83 Saguaro 2
PowerEdge M100e/M600, E54xx/X5355 2.83/2.66 GHz, Infiniband		 4200 10240 30110 44688 Dell
84 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4584 N/A 29365 55008 HP
88 Topsail
PowerEdge 1955, 2.33 GHz, Cisco/Topspin Infiniband		 4160 6240 28770 38821.1 Dell
89 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3456 N/A 28388.8 36868.6 HP
90 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3456 N/A 28388.8 36868.6 HP
91 PowerEdge 1950, Xeon E54xx, 2 GHz, Infiniband 4176 N/A 28030 33408 Dell
92 Intel-SCTO-HPC2A
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet		 5184 20736 27720 62208 HP
95 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4280 N/A 27448 51360 HP
96 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4280 N/A 27448 51360 HP
97 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4280 N/A 27448 51360 HP
98 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4280 N/A 27448 51360 HP
99 Minos
Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband		 6912 13824 27380 33178 Appro
100 Arev
SunBlade x6250, Xeon L5420 2.5GHz, Infiniband DDR		 3440 13760 27370 34400 Sun
105 Steele
PowerEdge 1950, Xeon E54xx, 2.33 GHz, GigE		 5600 13568 26800 52248 Dell
106 Jet
NOW Cluster - Intel Xeon 51xx/E54xx 2.8 Ghz, Infiniband		 3440 9888 26730 36601 Raytheon-Aspen Systems/Appro
109 Cray XT5 QC 2.3 GHz 3456 N/A 26310 31795.2 Cray Inc.
110 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4096 N/A 26286.9 49152 HP
111 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 4096 N/A 26286.9 49152 HP
112 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3200 N/A 26286 34137.6 HP
113 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3200 N/A 26286 34137.6 HP
114 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3200 N/A 26286 34137.6 HP
115 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 3200 N/A 26286 34137.6 HP
116 Intel-ORTO-HPC2A
Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet		 4000 N/A 25530 48000 HP
117 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3976 N/A 25528.2 47712 HP
121 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 5136 N/A 24670 54790.8 IBM
123 Cluster Platform 3000 BL460c, Xeon L54xx 2 GHz, GigEthernet 5760 N/A 24490.6 46080 HP
124 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3776 N/A 24244.1 45312 HP
125 Cluster Platform 3000 BL2x220, E54xx 3.0 Ghz, GigE 3712 N/A 23856.7 44544 HP
126 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 4800 N/A 23616.4 51206.4 IBM
130 Blue Gene/P Solution 8192 N/A 23415 27850 IBM
131 New York Blue
Blue Gene/P Solution		 8192 N/A 23415 27850 IBM
133 Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet 3624 N/A 23298.8 43488 HP
134 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3576 N/A 22994.3 42912 HP
136 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 4608 N/A 22924.2 42946.6 HP
137 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 4608 N/A 22924.2 42946.6 HP
138 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 4608 N/A 22924.2 42946.6 HP
139 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 4608 N/A 22924.2 42946.6 HP
141 CITerra
PowerEdge 1950, 2.33 GHz, Myrinet		 4096 6144 22590 37700 Dell
143 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 4184 N/A 22369 41840 HP
147 Endeavor
Intel Cluster, Xeon E54xx, 2.8 GHz, Infiniband		 2296 N/A 21810 25715 Intel
148 Big Red
BladeCenter JS21 Cluster, PPC 970, 2.5 GHz, Myrinet		 3072 6144 21790 30720 IBM
149 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 4072 N/A 21779.3 40720 HP
150 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 4072 N/A 21779.3 40720 HP
151 Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet 4352 N/A 21671.4 40560.6 HP
152 Cluster Platform 3000 BL460c, Xeon E54xx 2.83 GHz, GigEthernet 3568 N/A 21643.4 40389.8 HP
155 Firefly
PowerEdge SC1435 Dual core Opteron 2.8 GHz, Infiniband		 4604 9208 21500 25782.4 Dell
156 Cray XT5 QC 2.3 GHz 2816 N/A 21437.8 25907.2 Cray Inc.
158 Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet 3704 N/A 21163.5 39514.3 HP
159 Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet 8192 N/A 21029.5 39321.6 HP
162 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 3904 N/A 20893.9 39040 HP
166 Cluster Platform 6000 rx1620, Itanium2 1.6 GHz, Quadrics 4096 4096 20450 26214 HP
168 Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet 4096 N/A 20416.1 38174.7 HP
169 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 3784 N/A 20260.7 37840 HP
170 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 4032 N/A 20244.8 48384 IBM
171 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 4032 N/A 20244.8 48384 IBM
173 eServer pSeries p5 575 1.9 GHz 3072 N/A 20070 23347.2 IBM
174 eServer pSeries p5 575 1.9 GHz 3072 N/A 20070 23347 IBM
176 xSeries x3550 Cluster Xeon QC HT, 2.5 GHz, GigEthernet 4344 N/A 19984.1 43440 IBM
177 Thunder
Intel Itanium2 Tiger4 1.4GHz - Quadrics		 4096 N/A 19940 22938 California Digital Corporation
181 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3072 N/A 19790.7 36864 HP
182 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3072 N/A 19790.7 36864 HP
183 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3072 N/A 19790.7 36864 HP
184 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3072 N/A 19790.7 36864 HP
185 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3920 N/A 19753.1 41818.6 IBM
187 Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband 4896 N/A 19603.6 25459.2 HP
189 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 3012 N/A 19408.5 36144 HP
190 SGI Altix ICE 8200, 3.0 GHz 2048 4096 19360 24576 SGI
193 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 2976 N/A 19179.1 35712 HP
194 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 3840 N/A 19158.5 35788.8 HP
196 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3760 N/A 19050.6 40111.7 IBM
198 Cluster Platform 3000 BL460c, Xeon L54xx 2.83 GHz, GigEthernet 3120 N/A 18957.5 35318.4 HP
199 Cluster Platform 3000 BL460c, Xeon L54xx 2.83 GHz, GigEthernet 3120 N/A 18957.5 35318.4 HP
202 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband DDR 2304 N/A 18925.9 24579.1 HP
204 Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE 3752 N/A 18725.6 34968.6 HP
205 Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE 3752 N/A 18725.6 34968.6 HP
206 Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE 3752 N/A 18725.6 34968.6 HP
207 Cluster Platform 3000 BL460c, Xeon 52xx 3 GHz, GigEthernet 2896 N/A 18669.1 34752 HP
213 eServer Blue Gene Solution 8192 N/A 18665 22937.6 IBM
216 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 4208 N/A 18600 44773 IBM
217 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 4092 N/A 18600 43653.5 IBM
218 xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet 3976 N/A 18600 42416 IBM
219 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 4220 N/A 18600 39381 IBM
223 xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet 3784 N/A 18522.1 45408 IBM
224 xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet 3784 N/A 18522.1 45408 IBM
225 xSeries x3450 Cluster Xeon quad core, 3.0 GHz, GigEthernet 3784 N/A 18522.1 45408 IBM
227 Cluster Platform 3000 BL680c, Xeon 73xx 2.4 Ghz, GigabitEth 3584 N/A 18436.1 34406.4 HP
228 Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet 6608 N/A 18431.3 34361.6 HP
231 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 3408 N/A 18273.2 34080 HP
232 Cluster Platform 3000 BL460c, Xeon L54xx 2.5 GHz, GigEthernet 3408 N/A 18273.2 34080 HP
236 Rhea
Appro Xtreme Server - Quad Opteron Dual Core 2.4GHz Infiniband		 4608 9216 18240 22118 Appro
238 xSeries x3550 Cluster Xeon quad core 3.0 GHz, Infiniband 2016 N/A 18089.1 24192 IBM
240 Cluster Platform 3000 BL460c, Xeon 54xx 2.5 GHz, GigEthernet 3352 N/A 17976.6 33520 HP
241 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2768 N/A 17902.2 33216 HP
242 xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet 3224 N/A 17874 34393.6 IBM
243 xSeries x3650 Cluster Xeon dual core 2.66 GHz, GigEthernet 3224 N/A 17874 34393.6 IBM
244 Cluster Platform 3000 BL460c, Xeon 52xx 2.6 GHz, GigEthernet 3112 N/A 17820.3 33198.8 HP
245 BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet 3672 N/A 17786.2 44064 IBM
246 BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet 3672 N/A 17786.2 44064 IBM
247 Ice Storm
SGI Altix ICE 8200, 2.66 GHz		 2048 4096 17780 21791 SGI
250 Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet 2904 N/A 17659.3 32873 HP
251 Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet 2904 N/A 17659.3 32873 HP
254 Arches
SunBlade x2250, Xeon E5420 2.8GHz, InfiniPath		 2048 4096 17520 23183 Sun
255 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2688 N/A 17482.8 32256 HP
256 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2688 N/A 17482.8 32256 HP
257 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
258 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
259 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
260 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
261 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
262 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
263 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
264 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
265 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3376 N/A 17364.8 40512 IBM
268 SGI Altix XE 1300 Cluster Solutions, 2.66GHZ, Infiniband 2048 4100 17310 21791 SGI
269 Cluster Platform 3000 BL460c, Xeon E54xx 2.33 GHz, GigEthernet 3456 N/A 17267.4 32209.9 HP
270 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2640 N/A 17228.3 31680 HP
271 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 3540 N/A 17146.9 33035.3 IBM
274 HPC
Opteron, Xeon Cluster, Myrinet		 6024 4492 17110 23680 Sun
275 xSeries x3455 Cluster Opteron, 2.6 GHz, Infiniband 4144 N/A 17100 21550 IBM
277 BigBen
Cray XT3, 2.6 GHz dual Core		 4136 N/A 17000 21507.2 Cray Inc.
280 SystemG
Apple Mac Pro Cluster, E54xx 2.8 Ghz, Infiniband		 2048 2592 16870 22937 Self-made
281 xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet 3688 N/A 16854.6 34416.4 IBM
286 RA
PowerEdge 1950, Xeon 53xx 2.66 GHz, Infiniband		 2030 N/A 16700 21680 Dell
288 T3
PowerEdge 1955, 2.66 GHz, Infiniband		 2048 N/A 16680 21300 Dell
289 Grendel
PowerEdge 1950, Quad Core 3.2 GHz, Infiniband		 1680 3360 16680 20106 Dell
290 Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet 3328 N/A 16635.8 31017 HP
291 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
292 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
293 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
294 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
295 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
296 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
297 BladeCenter HS21 Cluster, Xeon QC HT 3 GHz, GigEthernet 3200 N/A 16592.2 38400 IBM
300 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2520 N/A 16582.9 30240 HP
301 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2520 N/A 16582.9 30240 HP
302 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2520 N/A 16582.9 30240 HP
303 BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet 3376 N/A 16525 38216.3 IBM
304 BladeCenter HS21 Cluster, Xeon QC HT 2.83 GHz, GigEthernet 3376 N/A 16525 38216.3 IBM
305 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2488 N/A 16408.5 29856 HP
310 MACH5
Apple XServe, 2.0 GHz, Myrinet		 3072 5376 16180 24576 Self-made
312 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3104 N/A 16170.7 33113.5 IBM
313 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3104 N/A 16170.7 33113.5 IBM
314 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3104 N/A 16170.7 33113.5 IBM
315 BladeCenter HS21 Cluster, Xeon QC 2.66 GHz, GigEthernet 3104 N/A 16170.7 33113.5 IBM
316 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2440 N/A 16145.3 29280 HP
317 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2440 N/A 16145.3 29280 HP
323 BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet 3464 N/A 16066.9 32326 IBM
324 BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet 3464 N/A 16066.9 32326 IBM
325 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
326 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
327 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
328 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
329 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
330 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2416 N/A 16012.9 28992 HP
333 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 3200 N/A 16003 29824 HP
334 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2408 N/A 15968.7 28896 HP
338 Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, GigEthernet 5696 N/A 15914.5 29619.2 HP
339 xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet 3416 N/A 15898.1 31878.1 IBM
340 BladeCenter HS21 Cluster, Xeon QC 2.33 GHz, GigEthernet 3400 N/A 15841.8 31728.8 IBM
346 Discover
iDataPlex, Xeon QC 2.5 GHz, Infiniband		 2048 N/A 15810 20480 IBM
347 Discover
iDataPlex, Xeon QC 2.5 GHz, Infiniband		 2048 N/A 15810 20480 IBM
350 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 6400 N/A 15760 28160 IBM
351 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 6400 N/A 15760 28160 IBM
353 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 3200 N/A 15733.3 34137.6 IBM
354 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 3200 N/A 15733.3 34137.6 IBM
355 BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet 3248 N/A 15732.5 38976 IBM
356 Titan
SunBlade x2200, QC Opteron 2.3 GHz, Infiniband		 2304 2304 15713 21094.4 Sun
358 Power 575, p6 4.7 GHz, Infiniband 1024 N/A 15646.7 19251.2 IBM
359 BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet 3220 N/A 15596.9 38640 IBM
362 Bio-X2
PowerEdge 1950, 2.33 GHz, Infiniband		 2208 4416 15570 20578 Dell
364 Cluster Platform 4000 BL465c, Opteron DC 2.6GHz, Infiniband 3876 N/A 15519.5 20155.2 HP
365 eServer pSeries p5 575 1.9 GHz 2368 N/A 15470 17996.8 IBM
366 eServer pSeries p5 575 1.9 GHz 2368 N/A 15470 17996.8 IBM
367 Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet 3080 N/A 15410.3 28705.6 HP
368 Cluster Platform 3000 BL2x220, L54xx 2.33 Ghz, GigE 3072 N/A 15370.7 28631 HP
369 Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet 3584 N/A 15363.4 28672 HP
371 Cray XT5 QC 2.3 GHz 2016 N/A 15318.9 18547.2 Cray Inc.
375 BladeCenter HS21 Cluster, Xeon dual core, 3.0 GHz, GigEthernet 3152 N/A 15267.5 37824 IBM
378 Humvee
Evolocity II (LS Supersystem)		 3368 N/A 15200 19660 LNXI
379 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 3152 N/A 15160 33625.5 IBM
381 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2248 N/A 15071.4 26976 HP
382 xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet 3168 N/A 15026 29563.8 IBM
383 xSeries x3550 Cluster Xeon QC, 2.333 GHz, GigEthernet 3168 N/A 15026 29563.8 IBM
388 Cluster Platform 3000 BL460c, Xeon 53xx 2.33GHz, GigEthernet 2976 N/A 14895 27736 HP
391 Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet 2368 N/A 14854.2 26805.8 HP
398 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
399 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
400 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
401 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
402 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
403 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
404 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
405 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2944 N/A 14528.3 35328 IBM
406 SGI Altix ICE 8200, 3.0 GHz 1536 6144 14520 18432 SGI
407 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband 1568 N/A 14488.3 18816 HP
408 Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet 2472 N/A 14471.3 26302.1 HP
411 Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet 3336 N/A 14313.5 26688 HP
412 Cluster Platform 3000 BL460c, Xeon E54xx 2.4GHz, GigEthernet 2760 N/A 14288.4 26496 HP
413 BladeCenter HS21 Cluster, Xeon dual core 2.66 GHz, GigEthernet 2888 N/A 14252 30809.2 IBM
414 Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet 2408 N/A 14247.5 25688.5 HP
416 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 2880 N/A 14212.5 26876.2 IBM
417 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 2880 N/A 14212.5 26876.2 IBM
418 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 2880 N/A 14212.5 26876.2 IBM
419 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 2880 N/A 14212.5 26876.2 IBM
420 BladeCenter HS21 Cluster, Xeon dual core, 2.33 GHz, GigEthernet 2880 N/A 14212.5 26876.2 IBM
422 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 2400 N/A 14170.7 25536 HP
423 Cluster Platform 3000 BL460c, Xeon L54xx 2.33 GHz, GigEthernet 2816 N/A 14103.3 26245.1 HP
424 BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband 1952 N/A 14078.3 18216.1 IBM
425 Roadrunner 2
xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband		 4608 N/A 14070 20275.2 IBM
426 Roadrunner 3
xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband		 4608 N/A 14070 20275.2 IBM
427 Roadrunner 1
xSeries x3755 Cluster Opteron dual core 2.2 GHz, Infiniband		 4608 N/A 14070 20275.2 IBM
430 BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband 1800 N/A 13990 21760 IBM
431 BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband 1800 N/A 13990 21760 IBM
432 BladeCenter QS22 Cluster, PowerXCell 8i 3.2 Ghz, Infiniband 1800 N/A 13990 21760 IBM
434 Cray XT4 QuadCore 2.2 GHz 1984 N/A 13936.5 17459.2 Cray Inc.
435 Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, GigE 2816 N/A 13921.7 25907.2 HP
436 Cluster Platform 4000 BL465c, Opteron QC 2.3GHz, GigE 2816 N/A 13921.7 25907.2 HP
440 Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet 2184 N/A 13872.6 24722.9 HP
441 Cluster Platform 3000 BL460c, Xeon 54xx 2.83 GHz, GigEthernet 2184 N/A 13872.6 24722.9 HP
442 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2760 N/A 13871 25723 HP
443 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 2324 N/A 13793.2 24727.4 HP
444 Intimidata
eServer Blue Gene Solution		 6144 1536 13780 17203.2 IBM
445 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2016 N/A 13729 24192 HP
448 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 2008 N/A 13681.8 24096 HP
449 Cluster Platform 3000 BL460c, Xeon 54xx 2.66GHz, GigEthernet 2304 N/A 13680 24579.1 HP
452 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
453 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
454 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
455 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
456 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
457 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
458 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 2764 N/A 13640 33168 IBM
462 Cluster Platform 3000 BL460c, Xeon 54xx 2 GHz, GigEthernet 3152 N/A 13533.3 25216 HP
463 SGI Altix ICE 8200, Xeon quad core 2.83 GHz 1392 2780 13480 15757 SGI
464 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2664 N/A 13479.6 24828.5 HP
465 LQCD AMD 7N Cluster
KOI Quad Core Opteron 1.9GHz, Infiniband		 3040 1520 13460 23104 Koi Computers
469 xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet 2700 N/A 13324.2 32400 IBM
470 xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet 2700 N/A 13324.2 32400 IBM
476 BladeCenter HS21 Cluster, Xeon quad core 2.33 GHz, Infiniband 1832 N/A 13212.9 17096.2 IBM
477 Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, Infiniband 1904 N/A 13202 20312 HP
480 Cluster Platform 3000 BL460c, Xeon 53xx 2.66GHz, GigEthernet 2200 N/A 13155.1 23469.6 HP
484 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2560 N/A 13047.6 23859.2 HP
485 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2560 N/A 13047.6 23859.2 HP
486 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2560 N/A 13047.6 23859.2 HP
487 Cluster Platform 3000 BL460c, Xeon 54xx 2.33 GHz, GigEthernet 2560 N/A 13047.6 23859.2 HP
488 Cluster Platform 3000 BL460c, Xeon 54xx 3.0GHz, GigEthernet 1896 N/A 13015.4 22752 HP
490 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 2152 N/A 12955.8 22957.5 HP
494 BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband 1360 N/A 12832 16320 IBM
500 Lawrencium
PowerEdge 1950, Xeon E54xx, 2.66 GHz, Infiniband		 1584 3168 12600 16854 Dell