Hi micaman

One CPU cooler to consider is the Cooler Master Hyper L3 Low profile CPU-Cooler (no condensation) this can cool a OCd Duo, Spec - Quote -

Socket Type: Socket LGA 775 (Pentium ® D, Pentium ® 4, Celeron ® D Heat Sink Dimension: 90x112x41 mm (LxWxH) Fan Dimension: 92x25 mm (compatible with 80mm fan) Heat Sink Material Solid pure copper base with nickel-plating, aluminum heatsink and 3 copper heat pipes Fan Speed 1100 ~ 2800 ±10% R.P.M. (control by PWM) Fan Airflow 49.56 CFM Fan Air Pressure 3.31 mmH2O (Max.) Fan Life Expectancy 50,000 hours Bearing Type UFO Bearing Voltage Rating 12 VDC Input Current 0.22 A (Max.) Input Power 2.64 W (Max.) Noise Level 18 dBA (Min.) Connector 4 pin (PWM) / 3 pin (without PWM) (Foolproof Design) Heat Sink Weight 333 g (included fasteners) Fan Weight 90 g

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