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A31, 27.5mm Height, 225W TDP, Copper CPU Cooler

  • SKU: 12165367
  • Manufacturer: DYNATRON
  • MPN: A31
  • Availability: USUALLY SHIPS WITHIN 1-3 WEEKS
Starting At
A31, 27.5mm Height, 225W TDP, Copper CPU Cooler
Recommend for AMD® Ryzen Threadripper Processor, Socket sWRX8, sTRX4 and TR4, and AMD® Epyc Processor Socket SP3, 8013 Aluminum PWM Blower for Heat Exhausting, Active Cooler for 1U Server, Support CPU power up to 225 Watts Heat Dissipation.
CPU Support

AMD® Ryzen Threadripper/EPYC Processor

CPU Socket



1U Server and Up


120 x 82 x 27.5 mm




Copper1100 Heatsink with Vapor Chamber Base

Fan Dimension

Ø80 x 13 mm


At Duty Cycle 20%: 1500 ± 200 RPM
At Duty Cycle 50%: 4000 ± 10% RPM
At Duty Cycle 100%: 8000 ± 10% RPM


At Duty Cycle 20%: 1.44 W
At Duty Cycle 50%: 4.8 W
At Duty Cycle 100%: 19.2 W


Ball Type, Double

Rated Voltage


Air Flow

At Duty Cycle 0~20%: 4.30 CFM
At Duty Cycle 50%: 11.6 CFM
At Duty Cycle 100%: 22.80 CFM

Noise Level

At Duty Cycle 20%: 25.6 dBA
At Duty Cycle 50%: 46.9 dBA
At Duty Cycle 100%: 62 dBA

Air Pressure

At Duty Cycle 0~20%: 3.0 mm-H2O

At Duty Cycle 50%: 21.0 mm-H2O

At Duty Cycle 100%: 83.8 mm-H2O

Lead Wire Pin Out

Pin1- (-)
Pin2- (+)
Pin3- (Techometer/Signal output)
Pin4- (PWM)

*All product specifications and product images are subject to change without notice.