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Compact aluminum-and-copper heatsink with a horizontal 60 mm dual-ball fan, silver fins and black frame

Dynatron

Dynatron K666 60 mm LGA 1156 dual-ball CPU cooler

SKU CH-J900-36T50 MPN K666

A 60 mm dual-ball-bearing PWM cooler with an aluminium-and-copper heatsink for Intel LGA 1156 CPUs, reaching 5000 RPM and 26.45 CFM at full duty cycle

  • TypeFan & Heatsinks
  • Fan Size60mm
  • CPU Socket CompatibilityIntel LGA 1156
  • Bearing Type2 Ball
  • RPMAt Duty Cycle 0-20%: 1600 RPM At Duty Cycle 50%: 2300 RPM At
  • Air FlowAt Duty Cycle 0-20%: 8.5 CFM At Duty Cycle 50%: 12.2 CFM At
  • Quiet operation at low load with 13.8 dBA noise at 20% duty
  • Strong cooling headroom delivering 26.45 CFM airflow at 100% duty
  • Dual-ball bearing fan rated for long service life
  • Compact 64 mm height fits space-constrained LGA 1156 builds
  • PWM 4-pin control enables automatic speed scaling across 1600–5000 RPM

Socket LGA 1156 cooler for legacy Intel builds

The Dynatron K666 is a 60 mm air cooler designed for Intel LGA 1156 processors including Core i3-530, i3-540, i5-650, i5-660, i5-661, i5-670, i5-750, i7-860, i7-870 and Xeon 3400 series. It suits repair work, retro builds or replacement of an original heatsink in compact systems where the mounting holes match. Buyers needing support for newer sockets or higher-TDP chips cannot use this cooler.

PWM fan scales from 13.8 to 38.7 dBA

At the 0-20 % duty cycle the fan runs at 1600 RPM, moving 8.5 CFM at 13.8 dBA. At 50 % duty it reaches 2300 RPM with 12.2 CFM and 21.8 dBA. At full 100 % duty the speed hits 5000 RPM, delivering 26.45 CFM at 38.7 dBA. The 4-pin PWM connector allows the motherboard to adjust speed automatically based on CPU temperature.

Aluminium and copper heatsink with horizontal 60

The heatsink combines aluminium fins with a copper base and measures 90.7 x 85.0 x 64.0 mm, weighing 500 g. The fan mounts horizontally on top in a 60 x 60 x 25 mm frame using dual-ball bearings. Overall cooler height is 64 mm, so clearance above the socket must accommodate that dimension. The horizontal airflow pattern directs exhaust toward nearby motherboard components rather than upward.

Puntos fuertes

  • Quiet operation at low load with 13.8 dBA noise at 20% duty
  • Strong cooling headroom delivering 26.45 CFM airflow at 100% duty
  • Dual-ball bearing fan rated for long service life
  • Compact 64 mm height fits space-constrained LGA 1156 builds
  • PWM 4-pin control enables automatic speed scaling across 1600–5000 RPM

Especificaciones

BrandDynatron
ModelK666
TypeFan & Heatsinks
Fan Size60mm
CPU Socket CompatibilityIntel LGA 1156
Bearing Type2 Ball
RPMAt Duty Cycle 0-20%: 1600 RPM
At Duty Cycle 50%: 2300 RPM
At Duty Cycle 100%: 5000 RPM
Air FlowAt Duty Cycle 0-20%: 8.5 CFM
At Duty Cycle 50%: 12.2 CFM
At Duty Cycle 100%: 26.45 CFM
Noise LevelAt Duty Cycle 0-20%: 13.8 dBA
At Duty Cycle 50%: 21.8 dBA
At Duty Cycle 100%: 38.7 dBA
Power Connector4 Pin(PWM)
Heatsink MaterialAluminum & Copper
Fan Mounting Types to HeatsinkHorizontal
Max CPU Cooler Height64 mm
Fan Dimensions60 x 60 x 25 mm
Heatsink Dimensions90.7 x 85.0 x 64.0 mm
Weight500 g
FeaturesCPU Support: Intel Core i3 i3-530 & i3-540, Core i5 i5-650, i5-650, i5-660, i5-661 i5-670 & I5-750; Xeon Processor 3400 Series; Core i7 Processors, I7-870 & I7-860
Peso de envío0.57 kg
Dimensiones del paquete112 × 112 × 94 mm

Preguntas sobre este artículo

How do I mount the K666 on an LGA 1156 board, and which step is often missed?

Align the horizontal fan bracket with the socket retention holes, press the push-pins through the motherboard until each clicks, then attach the 4-pin PWM header. The step most often missed is confirming all four pins are fully locked before powering on.

What part of this cooler will need replacement first, and when?

The dual-ball bearing fan is the only moving part. At continuous 100 % duty it spins at 5000 RPM, so expect bearing wear after several years of heavy use; at lower duty cycles the interval extends proportionally.

What thermal limit appears first during a long, full-load test?

At 100 % duty the fan delivers 26.45 CFM at 38.7 dBA. If the CPU heat load exceeds what that airflow can dissipate, the cooler hits its thermal ceiling and temperatures climb despite maximum fan speed.

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