NZXT 

NZXT Fan RF-U42HF-B1 F420 RGB CORE Black Retail

Mfg Part Number:  RF-U42HF-B1  
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Price: $95.44
Quantity:
More to Come
Last Updated: Feb 10, 2026
No Sales Tax except these states
, PO and Wire.

NZXT F Series RGB Core single-frame fans seamlessly integrate multiple fans for effortless installation while offering superior cooling, whisper-quiet performance, and striking RGB visuals.

  • Single-frame unit with integrated fans streamlines installation, setup, and lighting control-no need to connect individual fans.
  • Simply connect a single cable to an NZXT controller (sold separately) for lighting and speed control via NZXT CAM software. Or, connect to any motherboard's 5V ARGB header using the included splitter cable. using the included splitter cable.
  • Fan blade design boosts static pressure to push air through tight spaces while ensuring optimal airflow. Suitable for both intake and exhaust.
  • Fluid dynamic bearings ensure quiet, stable operation across an exceptional 60,000 hour lifespan.
  • Eight individually-addressable RGB LEDs per fan hub are diffused through semi-translucent blades for brilliantly colorful visuals.
  • PWM-controlled fans dynamically adjust spinning speeds based on PC temperatures for optimal efficiency and reduced noise.
  • Anti-vibration rubber corners effectively eliminate noise caused by vibrations for hushed performance at any speed.
  • Control lighting and fan speeds via CAM software when connected to an NZXT controller (sold separately).

All-in-one Design

Single-frame unit with integrated fans streamlines installation, setup, and lighting control.

Versatile Connectivity

Simply connect a single cable to an NZXT controller (sold separately) for lighting and speed control via NZXT CAM software. Or, connect to any motherboard's 5V ARGB header using the included splitter cable.

Optimal Performance

Blade design boosts static pressure to push air through tight spaces with superior airflow.

Fluid Dynamic Bearings

Ensures low noise, high rotational stability, and a 60,000-hour fan lifespan.

Radiant RGB Lighting

8 aRGB LEDs per fan hub shine through semi-translucent blades and frame side windows.

PWM Control

Dynamically adjusts fan speeds based on PC temperatures for optimal efficiency.

Silent Operation

Anti-vibration rubber corners dampen noise and Zero RPM Mode* shuts fans off during light loads.

Do More with CAM

Control fan speeds, personalize lighting effects, and sync with other NZXT products.

Main Specification
General Information
Manufacturer NZXT Corporation
Manufacturer Part Number RF-U42HF-B1
Manufacturer Website Address http://www.nzxt.com
Brand Name NZXT
Product Line F420 RGB Core
Product Series F
Product Model RF-U42HF-B1
Product Name F420 RGB Core 420 mm Single-Frame RGB Fan Unit
Product Type Cooling Fan
Fan Information
Number of Fans 3
Fan Bearing Type Fluid Dynamic Bearing
Fan Speed (Min) 500 rpm
Fan Speed (Max) 2000 rpm
Maximum Airflow 98.61 CFM
Noise Levels (A-Weighted) 34.5 dB(A)
Fan Life 6.8 Year
LED Color ARGB
Maximum Air Pressure 3.2mmH2O
Interfaces/Ports
Connectors 8-pin
Connectors 4-pin
Power Description
Maximum Power Consumption 11.40 W
Rated Current 950 mA
Physical Characteristics
Color Family Black
Product Color Black
Product Material Plastic
Product Material Rubber
Height 16.5"
Width 5.5"
Depth 1"
Miscellaneous
Application/Usage PC
WARNING:: The plastic used in cable products can expose you to lead and lead components, chemicals known to the State of California to cause cancer, birth defects, or other reproductive harm. For more information go to www.P65Warnings.ca.gov
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