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Black 120mm PWM case fan, 25mm thick, non-LED, fluid dynamic bearing

NZXT

NZXT RF-P12SF-B2 120mm 25mm Static Pressure PWM Case Fan

SKU CH-VGDY-9CNJK MPN RF-P12SF-B2

120 mm static-pressure PWM fan with fluid dynamic bearing, 500–2000 RPM, 73.47 CFM, 4.5 mm H₂O and 30 dBA noise

  • Fan Counts1 Fan
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size120mm
  • Fan Thickness25mm
  • Bearing TypeFluid Dynamic Bearing
  • High static pressure of 4.5 mm H2O for dense radiators
  • 47 CFM airflow moves heat through restricted spaces
  • Fluid dynamic bearing runs at 30 dBA for quiet operation
  • PWM control spans 500 to 2000 RPM for precise speed tuning
  • 120 mm by 25 mm black frame fits standard case mounts

120 mm static-pressure PWM fan

The NZXT RF-P12SF-B2 is a 120 mm case fan built for high static pressure. It uses a fluid-dynamic bearing and a 4-pin PWM connector to vary speed between 500 and 2000 RPM. The blade and frame design targets restrictive spaces such as radiators and dense heatsinks. It ships without LED lighting in a black finish.

Best for radiator and heatsink mounts

This fan suits builders who need strong airflow through tight fin stacks or liquid-cooling radiators. The 4.5 mm H₂O pressure rating and 73.47 CFM flow support demanding thermal loads at up to 30 dBA. It is not intended for unrestricted case ventilation where high static pressure is unnecessary. Buyers who want addressable RGB lighting or a multi-fan kit should consider other options.

4-pin PWM control and 2000 RPM ceiling

Speed is managed by the motherboard through the 4-pin PWM header, allowing automatic curves tied to CPU or coolant temperature. The 500 to 2000 RPM range lets the fan run near-silent at idle and ramp up for heavy loads. Verify that your board provides a 4-pin header for each fan you install.

Highlights

  • High static pressure of 4.5 mm H2O for dense radiators
  • 47 CFM airflow moves heat through restricted spaces
  • Fluid dynamic bearing runs at 30 dBA for quiet operation
  • PWM control spans 500 to 2000 RPM for precise speed tuning
  • 120 mm by 25 mm black frame fits standard case mounts

Specifications

BrandNZXT
ModelF120P
Part NumberRF-P12SF-B2
Fan Counts1 Fan
TypeCase Fan
CompatibilityCase
Fan Size120mm
Fan Thickness25mm
Bearing TypeFluid Dynamic Bearing
RPM500 - 2000 +/- 200 RPM
Air Flow73.47 CFM
Air Pressure4.5 mm H2O
Noise Level30 dBA
Power Connector4-pin PWM
ColorBlack
LEDNon-LED
Dimensions120 x 120 x 25 mm
Shipping weight0.25 kg
Package size146 × 133 × 34 mm

Questions about this item

What comes in the box with the RF-P12SF-B2 and what must be purchased separately?

The box contains one 120 mm fan with a 4-pin PWM connector and mounting screws. No additional parts are required for standard case or radiator installation.

How do I choose between the available versions of this fan?

This model is offered in a single black, non-LED version with a 500 to 2000 RPM range and 73.47 CFM airflow. There are no alternate capacities or colour options to select from.

What does the 4.5 mm H2O static pressure rating mean when the fan is mounted on a radiator?

It indicates the fan can push air through dense fin stacks effectively, delivering 73.47 CFM at up to 2000 RPM while staying at 30 dBA noise level.

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