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Compact copper heatsink with vapor chamber base and 90mm PWM blower fan, 28mm tall square design for 1U servers

Dynatron

Dynatron B9 CPU cooler 90mm PWM blower Socket FCLGA3647 28mm height

SKU CH-YC9H-NF32D MPN B9

A 28 mm low-profile cooler with a copper vapor-chamber base and 90 mm PWM blower for Xeon FCLGA3647 1U servers

  • TypeFan & Heatsinks
  • Fan Size90mm
  • Bearing TypeBall Type, Double
  • RPMAt Duty Cycle 20%: 1000 +/- 200 RPM At Duty Cycle 50%: 2500
  • Air FlowAt Duty Cycle 20%: 6.8 CFM At Duty Cycle 50%: 11.0 CFM At Du
  • Noise LevelAt Duty Cycle 20%: 16 dBA At Duty Cycle 50%: 31.5 dBA At Dut
  • Fits 1U server builds with 28 mm height
  • Cools Xeon Platinum and Gold CPUs on FCLGA3647 socket
  • Vapor chamber base spreads heat from copper heatsink
  • 90 mm PWM blower runs 1000 to 5000 RPM with double ball bearings
  • Pre-applied Shin-Etsu 7762 paste saves installation time

Socket FCLGA3647 1U cooler

The Dynatron B9 is a 28 mm tall CPU air cooler built for Intel Xeon Platinum and Gold processors using the Square ILM mounting pattern. It fits 1U server chassis and ships with Shin-Etsu 7762 thermal grease pre-applied. A 90 mm PWM blower moves air directly through the copper heatsink. The unit weighs 470 g and uses a 4-pin power connector.

Sustained-load behaviour

At 20 % duty the fan spins at 1000 RPM delivering 6.8 CFM at 16 dBA. At 50 % duty it reaches 2500 RPM for 11.0 CFM at 31.5 dBA. At full 100 % duty the blower runs at 5000 RPM producing 19.0 CFM at 46.4 dBA. The double ball bearing supports continuous operation at these speeds.

28 mm height constraint

The 28 mm maximum cooler height limits use to 1U and taller rackmount enclosures. The 90 mm blower frame measures 90 x 90 x 15 mm while the copper heatsink with vapor chamber base measures 93 x 90.5 x 28 mm. Builders needing greater thermal capacity for larger chassis cannot use this low-profile design.

Points forts

  • Fits 1U server builds with 28 mm height
  • Cools Xeon Platinum and Gold CPUs on FCLGA3647 socket
  • Vapor chamber base spreads heat from copper heatsink
  • 90 mm PWM blower runs 1000 to 5000 RPM with double ball bearings
  • Pre-applied Shin-Etsu 7762 paste saves installation time

Caractéristiques

BrandDynatron
ModelB9
TypeFan & Heatsinks
Fan Size90mm
Bearing TypeBall Type, Double
RPMAt Duty Cycle 20%: 1000 +/- 200 RPM
At Duty Cycle 50%: 2500 +/- 10% RPM
At Duty Cycle 100%: 5000 +/- 10% RPM
Air FlowAt Duty Cycle 20%: 6.8 CFM
At Duty Cycle 50%: 11.0 CFM
At Duty Cycle 100%: 19.0 CFM
Noise LevelAt Duty Cycle 20%: 16 dBA
At Duty Cycle 50%: 31.5 dBA
At Duty Cycle 100%: 46.4 dBA
Power Connector4 Pin
Heatsink MaterialCopper1100 Heatsink with Vapor Chamber Base
Max CPU Cooler Height28 mm
Fan Dimensions90.00 x 90.00 x 15.00 mm
Heatsink Dimensions93.00 x 90.50 x 28.00 mm
Weight470g
FeaturesCPU Support: Intel Xeon Platinum / Gold Family Processor (Products formerly Skylake )
Solution: 1U Server and Up
Thermal Grease : Shin-Etsu 7762 Pre-printed
Poids d’expédition0.54 kg
Dimensions du colis137 × 127 × 58 mm

Questions sur cet article

How loud is the 9015 blower when the Dynatron B9 runs at full speed all day?

At 100 % duty cycle the fan spins at 5000 ± 10 % RPM and produces 46.4 dBA while moving 19.0 CFM.

Does the Dynatron B9 include mounting hardware for the Square ILM on a Socket FCLGA3647 board?

The cooler is built for the Square ILM on Socket FCLGA3647 and comes with Shin-Etsu 7762 thermal grease pre-printed on the vapor-chamber base.

Will the 28 mm height of the Dynatron B9 fit in a 1U rack chassis alongside existing Xeon Platinum processors?

Yes, the 28 mm profile is designed for 1U server and up, matching the Intel Xeon Platinum / Gold family (formerly Skylake) mounting pattern.

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