Application
CPU IntelR LGA775 up to 3.6 GHz & Extreme edition 3.73GHz for IntelR 520 / 520J / 530 / 530J / 540 / 540J / 550 / 550J / 560 / 560J / 570J / 630 / 640 / 650 / 660 & Intel Celeron D 345/ 340 / 335 / 330 / 325 / 320 /315 for Desktop solution

Specification
* Overall Dimension: 83.0 x 88.5 x 74.0 mm
* Weight 270 g
*Heat Sink: Material: Aluminum with heatpipes
* Thermal Compound: Shin-Etsu G751 Thermal Compound
* Fan:
Dimension 70x70x15 mm
* Speed:
At Duty Cycle 25%: 2000 rpm
At Duty Cycle 50%: 3800 rpm
At Duty Cycle 100%: 6000 rpm
* Bearing: Double Ball Bearing
* Rated: Voltage 12 V
* Power:
At Duty Cycle 25%: 0.96 W
At Duty Cycle 50%: 2.4 W
At Duty Cycle 100%: 6.6 W
* Air Flow:
At Duty Cycle 25%: 16.23 cfm
At Duty Cycle 50%: 32.13 cfm
At Duty Cycle 100%: 49.65 cfm
* Noise Level:
At Duty Cycle 25%: 20.23 dBA
At Duty Cycle 50%: 34.39 dBA
At Duty Cycle 100%: 44.88 dBA
* Air Pressure:
At Duty Cycle 25%: 0.042 inch-H2O
At Duty Cycle 50%: 0.154 inch-H2O
At Duty Cycle 100%: 0.378 inch-H2O
* Lead Wire Pin Out:
Pin1-Black (-)
Pin2-Yellow (+)
Pin3-Green (Techometer/Signal output)
Pin4-Blue (PWM)