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The NZXT F420 RGB Core is a vertical white fan unit featuring three large circular RGB fans, each glowing in blue, green, and pink through a transparent frame for superior cooling and vivid lighting effects.
Two NZXT F420 RGB Core all-in-one white cooling units, each with three integrated RGB fans, stand upright side by side on a black background, displaying vibrant RGB lighting and whisper-quiet performance.
The NZXT F420 RGB Core, a white triple-fan cooler, radiates vibrant RGB lighting. A splitter cable is included, with text below noting flexible connectivity to the NZXT controller or a 5V ARGB motherboard.
The NZXT F420 RGB Core features a triple fan setup with airflow graphics. Text highlights “Max Static Pressure: 3.2 mm H₂O per fan” and “Max Airflow: 98.61 CFM per fan.” Caption: Optimal performance, superior cooling, and vibrant RGB visuals.
The NZXT F420 RGB Core is a white cooling system with three whisper-quiet fans, each featuring 8 ARGB LEDs in the hub for radiant RGB lighting and vibrant visual effects. Text highlights “8 LEDs per fan” and “Radiant RGB Lighting.”.
The NZXT F420 RGB Core fan is shown with separated blades, bearing, and circuit board. Icons highlight a 5-year warranty and 60,000-hour lifespan. Text states: Fluid Dynamic Bearings for whisper-quiet performance and top cooling.
The NZXT F420 RGB Core is a vertical cooling unit featuring three large circular fans that glow in blue, green, pink, and orange gradients, providing whisper-quiet performance and vibrant RGB visuals against a plain background.
Two NZXT F420 RGB Core fans with integrated RGB lighting stand upright, glowing in vibrant colors. Text: All-in-one design provides superior cooling and vivid RGB effects, ensuring easy installation, setup, and control.
The NZXT F420 RGB Core, a triple-fan cooling unit with vivid multicolor lighting, is shown. Text highlights versatile connectivity, superior cooling performance, and an included splitter cable for controller or motherboard connection.
The NZXT F420 RGB Core fan features three RGB-lit blades, providing superior cooling and whisper-quiet performance with a max static pressure of 3.2 mm H₂O and airflow of 98.61 CFM per fan. Optimal Performance appears below.
Three NZXT F420 RGB Core cooling fans are shown in a row, each with 8 LEDs for radiant RGB lighting and customizable ARGB effects, delivering superior cooling performance.
The NZXT F420 RGB Core fan is shown with separated components. Icons highlight a 5-year warranty and 60,000-hour lifespan. Text below: Fluid Dynamic Bearings ensure whisper-quiet, stable, and superior cooling performance.

F420 RGB Core

5.0
Rated 5.0 out of 5 stars
5.0 Stars (1 Review)

420 mm Single-Frame RGB Fan Unit

Color:White

Overview

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).
Two white computer cooling units, each with three RGB fans in a vertical row, displaying vibrant gradient colors in purple, blue, pink, and orange, positioned side by side at an angle.

All-in-one Design

Single-frame unit with integrated fans streamlines installation, setup, and lighting control.
A white triple-fan RGB computer cooling unit with colorful lighting, shown at an angle. To the right, a small illustration of a splitter cable with a label that says Included splitter cable.

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.

A white triple-fan cooling unit with RGB lighting is shown with blue airflow lines. Text highlights max static pressure of 3.2 mm H₂O and max airflow of 98.61 CFM per fan, with matching icons in purple.

Optimal Performance

Blade design boosts static pressure to push air through tight spaces with superior airflow.
Exploded view of a white computer fan showing its components. A purple icon with a fan and circular arrow reads LIFE 60,000 Hours below the image.

Fluid Dynamic Bearings

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

A white rectangular device with three circular RGB fans emits colorful lights; above it, text reads 8 LEDs per fan in bold purple letters.

Radiant RGB Lighting

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

A white cooling fan is shown with blue airflow graphics. Text above indicates the fan speed: SPEED 500–2,000 ± 200 RPM Per Fan. A speedometer icon is also present.

PWM Control

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

*Requires PWM connection to motherboard or controller (sold separately)
A close-up of a computer cooling fan with vibrant RGB lighting. A label beside it reads “MAXIMUM NOISE LEVEL 34.5 dBA Per Fan” with a shield and checkmark icon above the text.

Silent Operation

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

*Requires an NZXT controller or NZXT motherboard, each sold separately.
A white RGB-lit gaming PC case is shown next to a computer screen displaying the NZXT CAM software, with text describing CAM features like fan speed control and lighting customization on a purple gradient background.
Tech Specs
Height
420 mm
Width
140 mm
Depth
26 mm
Speed
500 - 2,000 ± 200 RPM per fan
Airflow
98.61 CFM per fan
Static Pressure
3.2 mm H2O per fan
Noise
34.5 dBA per fan
Power Consumption
12V DC, 0.95A, 11.4W / 5V DC, 0.81A, 4.05W
Bearing
Fluid Dynamic Bearing
Output LED
8 LEDs per Fan
Connector
8-pin for PWM & RGB
Cable Length
1 x 600 mm
Material
Plastic, Rubber, PCB
Life
60,000 Hours
Splitter Cable Connections & Cable Length
4-pin PWM Fan Cable (1 x 300 mm) / 5V RGB & 4-pin NZXT RGB Cable (1 x 100 mm)
Warranty
5 Years
Model Number
RF-U42HF-B1
UPC
810074844581
EAN
5056547206882
Model Number
RF-U42HF-W1
UPC
810074844598
EAN
5056547206899
5.0
Rated 5.0 out of 5 stars
Based on 1 review
100%would recommend this product
Total 5 star reviews: 1 Total 4 star reviews: 0 Total 3 star reviews: 0 Total 2 star reviews: 0 Total 1 star reviews: 0
Write a Review (Opens in a new window)
1 review
  • EO
    Earnie O.
    Verified Buyer
    I recommend this product
    Product Standouts Great Quality, Value for Money, Performance, Ease of use, Design
    Rated 5 out of 5 stars
    Jul 9, 2025
    Wrong size but still work great

    I accidentally bought the wrong size because for some reason I didn't even think about mounting space in my case, I was just thinking 'bigger fan means bigger cooling'. I ended up making them work by carefully ******** them in just right. All in all, I can play on ultra settings and my Temps don't break 50c. Would definitely buy again. (Maybe I'd pick the right size next time thought.)

    Product QualityRated 5.0 on a scale of 1 to 5
    Value for MoneyRated 5.0 on a scale of 1 to 5
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