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Compact copper base aluminium fin heatsink with 60 mm PWM fan

Dynatron

Dynatron K650 60 mm 2-ball bearing CPU cooler

SKU CH-89HF-AQ24W MPN K650

A 60 mm dual-ball-bearing cooler with copper base and aluminium fins, running 1400 RPM at low duty and 7000 RPM at full speed for LGA 1155 and 1156 CPUs

  • TypeFan & Heatsinks
  • Fan Size60mm
  • Bearing Type2 Ball
  • RPMAt Duty Cycle 0~20%: 1400 RPM At Duty Cycle 50%: 3500 RPM At
  • Air FlowAt Duty Cycle 0~20%: 7.405 CFM At Duty Cycle 50%: 18.517 CFM
  • Noise LevelAt Duty Cycle 0~20%: 20.8 dBA At Duty Cycle 50%: 35.9 dBA At
  • Quiet operation at 20.8 dBA during low-load duty cycle
  • High airflow up to 38.283 CFM at full 100% duty cycle
  • Durable double-ball bearing rated for continuous high-speed operation
  • Copper base with aluminium stacked fins improves heat transfer efficiency
  • 4-pin PWM connector enables precise speed control from 1400 to 7000 RPM

60 mm 2-ball bearing CPU cooler

The Dynatron K650 is a compact air cooler built around a 60 mm fan with a double-ball bearing. A copper base contacts the processor while stacked aluminium fins disperse heat. The unit mounts on a 4-pin PWM header so the motherboard can regulate speed automatically.

Builders servicing LGA 1155 or LGA 1156 sockets

This cooler fits the listed Intel Core i3, i5 and i7 models as well as Xeon 3400-series and Sandy Bridge Xeon parts named in the specifications. It is not suited for newer socket types, higher-TDP processors outside the supported list, or builds that require a larger fan for lower noise at equivalent airflow.

7000 RPM maximum fan speed

At full duty cycle the fan spins at 7000 RPM, delivering 38.283 CFM of airflow at 48.1 dBA. That single figure determines whether the thermal performance and acoustic profile match the target system. Lower duty cycles run at 1400 RPM and 3500 RPM with correspondingly reduced airflow and noise.

Pontos fortes

  • Quiet operation at 20.8 dBA during low-load duty cycle
  • High airflow up to 38.283 CFM at full 100% duty cycle
  • Durable double-ball bearing rated for continuous high-speed operation
  • Copper base with aluminium stacked fins improves heat transfer efficiency
  • 4-pin PWM connector enables precise speed control from 1400 to 7000 RPM

Especificações

BrandDynatron
ModelK650
TypeFan & Heatsinks
Fan Size60mm
Bearing Type2 Ball
RPMAt Duty Cycle 0~20%: 1400 RPM
At Duty Cycle 50%: 3500 RPM
At Duty Cycle 100%: 7000 RPM
Air FlowAt Duty Cycle 0~20%: 7.405 CFM
At Duty Cycle 50%: 18.517 CFM
At Duty Cycle 100%: 38.283 CFM
Noise LevelAt Duty Cycle 0~20%: 20.8 dBA
At Duty Cycle 50%: 35.9 dBA
At Duty Cycle 100%: 48.1 dBA
Power Connector4 Pin PWM
Heatsink MaterialCopper Base with Aluminum Stacked Fin
Fan Dimensions60 x 60 x 25 mm
Heatsink Dimensions88.5 x 87.0 x 64.0 mm
Weight460g
FeaturesCPU Support: Intel Core i5 I5-750; Xeon Processor 3400 Series; Core i7 Processors, I7-870 & I7-860
Peso de envio0.53 kg
Dimensões da embalagem108 × 108 × 64 mm

Perguntas sobre este artigo

At 100 % duty cycle the fan hits 7000 RPM — will the 48.1 dBA noise level be the first limit I notice under sustained load?

At full 100 % duty cycle the 60 mm fan runs at 7000 RPM and produces 48.1 dBA, which is the highest acoustical level specified for this cooler.

Running at 100 % duty cycle all day, how much power does the 4-pin PWM fan draw and what noise should I expect?

At 100 % duty cycle the fan draws 5.4 W and emits 48.1 dBA; at 50 % it draws 1.2 W at 35.9 dBA, and at 0~20 % it draws 0.6 W at 20.8 dBA.

The cooler uses a 4-pin PWM connector — does my motherboard need a 4-pin CPU fan header to control it properly?

Yes, the 4-pin PWM lead (Pin1 black, Pin2 yellow, Pin3 green tachometer, Pin4 blue PWM) requires a standard 4-pin CPU fan header for full speed control.

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