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Low-profile 80mm CPU cooler with vapor chamber base and copper stacked fins, 28mm tall

Dynatron

Dynatron R16 80mm CPU Cooler 2 Ball Bearing LGA 2011 28mm Height

SKU CH-N2CA-TH7VG MPN R16

Low-profile 80 mm cooler with vapor-chamber base and dual-ball-bearing fan fits LGA 2011 sockets in 1U systems

  • Fan size80 mm
  • Supported CPU socketsIntel LGA 2011 (Square Type)
  • Bearing design2 Ball
  • Rotational speedAt Duty Cycle 20%: 1,000 RPM At Duty Cycle 50%: 3,500 RPM At
  • Airflow rateAt Duty Cycle 20%: 6.5 CFM At Duty Cycle 50%: 11.2 CFM At Du
  • Operating noiseAt Duty Cycle 20%: 21.5 dBA At Duty Cycle 50%: 43.0 dBA At D
  • Low-profile 28 mm height fits 1U chassis
  • Vapor chamber base with copper stacked fins improves heat transfer
  • 2-ball bearing fan runs at 1000 RPM on 20 % duty cycle
  • PWM control scales speed from 1000 to 6000 RPM
  • 4-pin connector enables automatic fan-speed regulation

Compact 1U cooler for LGA 2011 servers

The Dynatron R16 is a low-profile air cooler designed for Intel LGA 2011 square-type sockets. It fits 1U chassis with a maximum height of 28 mm. The unit uses a vapor-chamber base with copper stacked fins and an 80 mm fan mounted horizontally. It targets Sandy Bridge EP and EX processors in space-constrained rack environments.

Quiet at idle with a 4-pin PWM fan

At a 20 % duty cycle the fan spins at 1000 RPM, moving 6.5 CFM at 21.5 dBA while drawing 0.6 W. At 50 % duty cycle speed rises to 3500 RPM for 11.2 CFM at 43.0 dBA and 3.84 W. The 2 ball bearing and PWM control allow the motherboard to balance airflow against acoustic output automatically.

Sustained load pushes fan to 6000 RPM

At 100 % duty cycle the fan reaches 6000 RPM, delivering 19.1 CFM and 54.5 mm-H₂O static pressure at 55.8 dBA with 14.4 W power draw. This headroom handles continuous thermal loads typical of dense server deployments. The cooler is not suited for builds needing taller heatsinks or alternative socket platforms.

How it compares

Measured against everything we stock in CPU Coolers & Heatsink Fans, at today’s prices. Recalculated every night.

Price $51.99
Pricier than about 90% of the 1,559 comparable items (median $19.99).
Fan size 80 mm
Typical for this category: the median of 812 items is 80 mm.

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Specifications

Product
Brand nameDynatron
Model nameR16
Product typeFan & Heatsinks
Performance
Rotational speedAt Duty Cycle 20%: 1,000 RPM
At Duty Cycle 50%: 3,500 RPM
At Duty Cycle 100%: 6,000 RPM
Airflow rateAt Duty Cycle 20%: 6.5 CFM
At Duty Cycle 50%: 11.2 CFM
At Duty Cycle 100%: 19.1 CFM
Power
Power input connector4 Pin
Size & build
Fan size80 mm
Bearing design2 Ball
Cooler materialVapor Chamber Base with Copper Stacked Fin
Fan mountingHorizontal
Heatsink dimensions90.0 × 90.0 × 28.0 mm (Overall)
Product weight0.86 lb (0.39 kg)
Shipping weight0.44 kg
Package size137 × 119 × 48 mm
Compatibility
Supported CPU socketsIntel LGA 2011 (Square Type)
CPU cooler height limit28 mm
Environment & compliance
Operating noiseAt Duty Cycle 20%: 21.5 dBA
At Duty Cycle 50%: 43.0 dBA
At Duty Cycle 100%: 55.8 dBA

Questions about this item

How do I mount the R16 on an LGA 2011 socket and what step is often missed?

The cooler uses a horizontal fan mount on the vapor-chamber base; the step often missed is seating the 28 mm tall assembly squarely before tightening the LGA 2011 square-type retention screws so the vapor chamber makes full contact.

What part of the R16 will need replacement first and when?

The 80 mm dual-ball-bearing fan rated at 12 V is the only moving part; expect to replace it once bearing noise rises above the 21.5 dBA baseline at 20 % duty cycle.

At what point does the R16 hit its thermal limit during sustained load?

At 100 % duty cycle the fan reaches 6000 RPM, 19.1 CFM and 55.8 dBA; that is the maximum cooling capacity before temperatures climb.

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