Cost-optimized QCD cluster cont'd

• Mobo: P4SAA -E7205, 533FSB , DDR-266, 6 PCI $196

• CPU: XEON 2.0GHz, 400FSB, 512K CACHE $134

• CPU: XEON 2.0GHz, 400FSB, 512K CACHE $134

• Mem: 1 GB DDR 3200, 400 Mhz $134

• Case: incl. Power 500 W $ 55

• Disk: EIDE 80 GB $ 66

• GigE: 4 x PCI cards 4 x $29 $126

• Sum: costs per dual node $845

• Efficiency < 1$/Mflop sustained double prec today

• Waste heat: about 110 W per node ! 110 kW / susTflops