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In June 2007, 44 systems appeared in the TOP500 list.

Rank System Procs Memory(GB) Rmax (GFlops) Rpeak (GFlops) Vendor
24 Cray XT3, 2.6 GHz dual Core 7812 N/A 32498 40622 Cray Inc.
36 BladeCenter JS21 Cluster, PPC 970, 2.3 GHz, Myrinet 3040 N/A 19039.5 27968 IBM
44 Darwin
PowerEdge 1950, 3.0 GHz, Infinipath		 2340 N/A 18270 28080 ClusterVision/Dell
48 eServer pSeries p5 575 1.9 GHz 2480 N/A 16202 18848 IBM
49 eServer pSeries p5 575 1.9 GHz 2480 N/A 16202 18848 IBM
65 eServer pSeries p5 575 1.5 GHz 2560 N/A 12940 15360 IBM
80 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, Infiniband 1392 N/A 10857 16704 HP
98 eServer Blue Gene Solution 4096 N/A 9433 11468.8 IBM
100 xSeries x3550 Cluster Xeon, 3 GHz, GigEthernet 1700 N/A 9287 20400 IBM
153 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, Infiniband 1068 N/A 7405 11393 HP
184 Cluster Platform 4000 BL685c, Opteron DC 2.4GHz, Infiniband 1808 N/A 6682 8678 HP
185 Cluster Platform 4000 BL685c, Opteron DC 2.4GHz, Infiniband 1808 N/A 6682 8678 HP
197 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 1280 N/A 6316 15360 IBM
198 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 1280 N/A 6316 15360 IBM
199 BladeCenter HS21 Cluster, Xeon dual core, 3 GHz, GigEthernet 1280 N/A 6316 15360 IBM
205 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
206 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
207 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
208 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
209 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
210 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
211 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
212 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 800 N/A 6240 9600 HP
285 Cluster Platform 3000 BL460c, Xeon 51xx 2.33GHz, Infiniband 908 N/A 5507 8473 HP
305 Cluster Platform 4000 BL465c, Opteron DC 2.4GHz, GigEthernet 1638 N/A 5189 7862 HP
311 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 652 N/A 5086 7824 HP
312 Cluster Platform 3000 BL460c, Xeon 51xx 3.0GHz, GigEthernet 652 N/A 5086 7824 HP
315 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 732 N/A 5075 7809 HP
316 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 732 N/A 5075 7809 HP
317 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 732 N/A 5075 7809 HP
318 Cluster Platform 3000 BL460c, Xeon 51xx 2.66GHz, GigEthernet 732 N/A 5075 7809 HP
324 Blade Cluster BL-25P, Opteron 2.4 GHz, GigEthernet 1880 N/A 5044 9024 HP
346 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
347 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
348 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
349 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
350 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
352 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
353 BladeCenter LS20, Opteron 2.2 GHz Dual core, GigEthernet 2000 N/A 4924.8 8800 IBM
359 Cluster Platform 4000 BL685c, Opteron DC 2.4GHz, Infiniband 1312 N/A 4849 6298 HP
360 BladeCenter HS21 Cluster, Xeon dual core 3.0 GHz, Infiniband 512 N/A 4830.5 6144 IBM
386 eServer Blue Gene Solution 2048 N/A 4713 5734 IBM
433 CX1
PowerEdge 1955, 2.66 GHz, Gigabit/10G Infiniband		 1680 1680 4404 17922.2 Dell
485 JS20 Cluster, PPC 970, 2.2 GHz, Myrinet 736 N/A 4149.62 6476.8 IBM