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F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
F420U
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F420U
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F420U
F420U
F420U

F420U

420mm Ultra RGB Fan

Size
120 mm140 mm360 mm420 mm
Color
White Black
Where to Buy

Your Prepay and Save Options

Choose the plan that works best for you.

Month-to-Month

Cancel and return anytime with no fees. This option provides maximum flexibility with no long-term obligations.

Prepaid Terms

Prepay for a multi-month term (3, 6, 12 months) and lock in a lower effective monthly rate.

When your term ends, you have simple options:

1

Month-to-Month: By default, your subscription automatically converts to the month to month rate requiring no action from you.

2

Prepay Again: Alternatively, you can choose to prepay for another 3, 6, or 12 month term.

3

End Subscription: Cancel and return with no fees.

Overview

The NZXT Ultra RGB fan series delivers our most advanced lighting and cooling in a refined, modern package. Multi-zone addressable RGB across the hub, tracks, and inner bars creates dynamic, customizable effects, while precision-engineered blades and fluid dynamic bearings deliver whisper-quiet airflow under 37 dB. Available as standard 120 mm and 140 mm fans, or single-frame 360 mm and 420 mm designs that install with just four screws and one 8-pin connection.

  • Multi-zone addressable RGB — 32 LEDs (F120U/F140U), 96 LEDs (F360U/F420U)
  • Whisper-quiet operation under 37 dB at full speed
  • Precision-engineered blades and tight frame for high static pressure
  • Single-frame F360U and F420U install with four screws and one 8-pin connection
  • Anti-vibration corners reduce noise and resonance
  • 60,000-hour fluid dynamic bearing
  • Full customization via NZXT CAM with NZXT Control Hub or motherboard
  • Optional 5V ARGB header for basic motherboard control

MORE LIGHT. MORE CONTROL.

Ultra RGB fans that do more than glow—they bring your build to life. Multi-zone lighting dances across your setup with depth and motion, while whisper-quiet PWM cooling keeps your system calm.

CONTROL WITH CAM

Fan curves, thermal monitoring, and RGB personalization—everything in a single interface.
 
Requires NZXT Control Hub or NZXT motherboard (sold separately).

OPTIONAL DIRECT MOTHERBOARD CONTROL

Connect to a 5V ARGB header for basic lighting and fan control. Check LED compatibility.

PRECISE AIRFLOW

Aerodynamic blades and a precision-engineered frame move airflow through radiators and mesh.

WHISPER-QUIET COOLING

Stays under 37 dB at full speed with fluid dynamic bearings and anti-vibration corners.

BUILT TO LAST

Premium fluid dynamic bearings rated for 60,000+ hours deliver smooth, dependable cooling.

ALL-IN-ONE DESIGN

A single-frame design replaces multiple fans for a seamless look and simpler installation. Mounts with just four screws and one connection point. Includes an adapter cable for direct motherboard connection.
Tech Specs
Dimensions (L x W x H)
420 x 140 x 25 mm
Weight
647 g
Speed
500 – 2,400 ± 240 RPM
Airflow
92.2 CFM per fan
Static Pressure
5.1 mmH₂O per fan
Noise Level
36.9 dBA per fan
Speed (27 dBA)
1,700 RPM
Airflow (27 dBA)
61.73 CFM per fan
Static Pressure (27 dBA)
2.86 mmH₂O per fan
Rated Voltage
12 V DC (Fan) / 5 V DC (RGB)
Rated Current
1.03 A (Fan) / 1.4 A (RGB)
Input Power
19.36 W
Power Connector
NZXT 8-pin
Bearing
Fluid Dynamic Bearing
Lifespan
60,000 hours
Number of Blades
7 per fan
LED Quantity
96 LEDs
Cable Length
1 x 600 mm
Materials
PBT, PC, rubber, PCB
Warranty
5 years
Model Number
RF-E42US-WA (White) / RF-E42US-BA (Black)
UPC
810074848336 (White) / 810074848329 (Black)
EAN
5056547208190 (White) / 5056547208183 (Black)
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