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Main image of NZXT F Series RGB Core 420mm White Single-Frame Case Fan System, 3 Fans, RF-U42HF-W1

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NZXT F Series RGB Core 420mm White Single-Frame Case Fan System, 3 Fans, RF-U42HF-W1

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Color: White

420mm Fan System: Single-frame case fan unit combines 3 fans for simplified installation and cooling.
Cooling Output: 500–2,000 ± 200 RPM and 98.61 CFM per fan support airflow and static pressure performance.
Quiet Operation: Fluid Dynamic Bearing and Zero RPM Mode support quiet, durable operation; each fan is rated at 34.5 dBA.
RGB Lighting: Eight RGB LEDs per fan illuminate semi-translucent blades for customizable lighting.
Control Connection: Use the 8-pin connector for PWM and RGB with an NZXT controller sold separately, or use the included splitter for 5v ARGB motherboard connection.

Overview

Specs

Reviews (1)

F SERIES RGB CORE

Brilliant Cooling in a Unified Frame

NZXT F Series RGB Core single-frame fans combine multiple fans in one design for streamlined installation, cooling, and control.

PWM fans with fluid dynamic bearings ensure effcient performance with minimal noise, while personalizable RGB LEDs illuminate through the blades for a captivating effect.

F SERIES RGB CORE

240MM | 280MM | 360MM | 420MM

SINGLE-FRAME RGB FAN UNIT

Available in Black and White

F240 RGB CORE

F280 RGB CORE

F360 RGB CORE

F420 RGB CORE

HIGH PERFORMANCE. LOW NOISE.

Optimized for cooling, the integrated fans balance airflow and static pressure. Minimal blade-to-edge gap boosts efficiency. Fluid dynamic bearings with Zero RPM Mode* ensure quiet, durable operation.

* Requires an NZXT controller or NZXT motherboard, each sold separately.

SIMPLE INSTALLATION

Single-frame design simplifies installation and digital control. Connect a single cable to an NZXT controller (sold separately) to use CAM software or use the included splitter for 5V ARGB motherboard connection.

RADIANT RGB

Eight RGB LEDs per fan illuminate semi-translucent blades. Personalize and sync lighting with NZXT CAM* for a unified NZXT product aesthetic.

* Requires an NZXT controller or NZXT motherboard, each sold separately

Overview

The NZXT F420 RGB Core (RF-U42HF-W1) fan system seamlessly integrates multiple fans into a single-frame 420mm case fan unit. It is designed for case cooling with quiet operation, simplified installation, and customizable RGB lighting.

Key Features

Single-frame design combines 3 fans for simpler installation.
Airflow and static pressure performance for case cooling.
Fluid Dynamic Bearing and Zero RPM Mode support quiet operation.
Eight RGB LEDs per fan illuminate semi-translucent blades.
NZXT CAM software and 5v ARGB motherboard connection support lighting control.

Performance

Each fan operates from 500–2,000 ± 200 RPM, delivers 98.61 CFM of airflow, and has a rated noise level of 34.5 dBA. The fans are designed to balance airflow and static pressure.

Design

The white single-frame unit contains 3 fans in a 420mm format, with each fan measuring 25mm thick. Semi-translucent blades diffuse the RGB lighting from the integrated LEDs.

Connectivity & Compatibility

The system is intended for case compatibility and uses an 8-pin connector for PWM and RGB. Connect it to an NZXT controller, sold separately, for digital control, or use the included splitter with a 5v ARGB motherboard connection.

Reliability & Durability

Fluid Dynamic Bearing supports durable operation, while Zero RPM Mode enables quiet operation when active.

Software & Tools

NZXT CAM software supports digital control and lighting personalization when the fan system is connected to an NZXT controller.

Specifications

Brand: NZXT
Part Number: RF-U42HF-W1
Type: Case Fan
Fan Counts: 3 Fans
Fan Size: 420mm
Fan Thickness: 25mm
Bearing Type: Fluid Dynamic Bearing
RPM: 500–2,000 ± 200 RPM per fan
Air Flow: 98.61 CFM per fan
Noise Level: 34.5 dBA per fan
Power Connector: 8-pin for PWM and RGB
LED: RGB
Color: White
Voltage: 11.99 volts
Power: 11.4 watts

What's in the Box

Included splitter for 5v ARGB motherboard connection.

Model
Brand	NZXT
Part Number	RF-U42HF-W1

Details
Fan Counts	3 Fans
Type	Case Fan
Compatibility	Case
Fan Size	420mm
Fan Thickness	25mm
Bearing Type	Fluid Dynamic Bearing
RPM	500 - 2,000 ± 200 RPM per fan
Air Flow	98.61 CFM per fan
Noise Level	34.5 dBA per fan
Power Connector	8-pin for PWM and RGB
Color	White
LED	RGB

Features
Features	Fan, 420mm, 11.99 volts, 11.4 watts, 34.5 decibels, 2000 rpm, 4-Pin

Dimensions & Weight
Dimensions	20'

Additional Information
First Listed on Newegg	May 19, 2025

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Limited Warranty period (parts): 2 years
Limited Warranty period (labor): 2 years
Read full details

Return Policies

We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

Return for refund until: January 31, 2027
Return for replacement until: January 31, 2027
This item is covered by Newegg.ca's Extended Holiday Return Policy.
Read full return policy for details.

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