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Aluminium heatsink with embedded heatpipe, horizontal 60mm PWM fan, 2U server height

Dynatron

Dynatron A26 CPU cooler AMD SP3 60mm PWM 180W 2U

SKU CH-D7W8-AZFAZ MPN A26

Cools AMD SP3 CPUs up to 180 W in 2U servers with a 60 mm PWM fan and embedded heatpipe aluminium heatsink

  • Fan size60 mm
  • Supported CPU socketsAMD Socket SP3
  • Bearing designBall Type, Double
  • Rotational speedAt Duty Cycle 20%: 1600 +/- 200 RPM At Duty Cycle 50%: 4000
  • Airflow rateAt Duty Cycle 20%: 8.85 CFM At Duty Cycle 50%: 21.88 CFM At
  • Operating noiseAt Duty Cycle 20%: 18 dBA At Duty Cycle 50%: 37.9 dBA At Dut
  • Fits 2U server racks with 65 mm cooler height limit
  • Cools AMD SP3 CPUs up to 180 W thermal design power
  • Embedded heatpipe in aluminum heatsink moves heat efficiently
  • Double ball-bearing 60 mm PWM fan runs from 1600 to 8000 RPM
  • Quiet 18 dBA at low duty cycle for noise-sensitive environments

Socket SP3 cooler for 2U servers

The Dynatron A26 is a new air cooler built for AMD Socket SP3 processors in 2U rackmount chassis. It combines an aluminum heatsink with an embedded heatpipe and a 60 mm PWM axial fan. The assembly stands 65 mm tall and weighs 450 g, fitting the tight vertical clearance of 2U enclosures while targeting CPUs rated up to 180 W.

Upgrade from stock low-profile coolers

This cooler replaces basic OEM heatsinks that cannot sustain 180 W in a 2U form factor. The embedded heatpipe moves heat from the base to the fins more efficiently than solid aluminum, and the 6025 fan delivers up to 43.75 CFM at 8000 RPM when the duty cycle reaches 100 %. The jump is worth it when sustained workloads push the processor past the thermal limits of a stock cooler.

Limits of 60 mm fan cooling in 2U

A 60 mm fan must spin fast to move air through a dense fin stack, so noise rises to 53 dBA at full speed and static pressure reaches 19.04 mm-H2O. The 4-pin PWM header lets the system scale between 1600 RPM at 20 % duty and 8000 RPM at 100 %, but the acoustic ceiling remains high. Builds that need quieter operation or higher thermal headroom must move to a larger chassis or liquid loop.

How it compares

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

Price $32.99
Pricier than about 81% of the 1,559 comparable items (median $19.99).
Fan size 60 mm
Lower than about 60% of the 812 comparable items (median 80 mm).

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Specifications

Product
Brand nameDynatron
Model nameA26
Product typeFan & Heatsinks
Performance
Rotational speedAt Duty Cycle 20%: 1600 +/- 200 RPM
At Duty Cycle 50%: 4000 +/- 10% RPM
At Duty Cycle 100%: 8000 +/- 10% RPM
Airflow rateAt Duty Cycle 20%: 8.85 CFM
At Duty Cycle 50%: 21.88 CFM
At Duty Cycle 100%: 43.75 CFM
Power
Power input connector4 Pin
Size & build
Fan size60 mm
Bearing designBall Type, Double
Cooler materialAluminum Heatsink with Heatpipe Embedded
Fan mountingHorizontal
Heatsink dimensions119 × 79 × 65 mm
Product weight450g
Shipping weight0.54 kg
Package size147 × 135 × 99 mm
Compatibility
Supported CPU socketsAMD Socket SP3
CPU cooler height limit65 mm
Environment & compliance
Operating noiseAt Duty Cycle 20%: 18 dBA
At Duty Cycle 50%: 37.9 dBA
At Duty Cycle 100%: 53 dBA

Questions about this item

What chassis height does the 65 mm cooler height require?

The cooler is 65 mm tall, so it fits inside a standard 2U rack chassis that provides at least 65 mm of vertical clearance above the SP3 socket.

Which way must the 60 mm fan face when mounted horizontally on the heatsink?

The fan mounts horizontally on the heatsink and should blow air through the fins toward the rear exhaust of the 2U server.

When should the double ball-bearing 6025 fan be replaced?

Replace the fan if noise rises above the rated 53 dBA at full speed or if RPM drops below the 8000 ± 10 % specification at 100 % duty cycle.

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