NZXT
NZXT F420 RGB Core - 420mm Single-Frame RGB Fan Unit - White
Bottom line: The NZXT F420 RGB Core: Single-frame 420mm unit replaces three separate fans and their cabling; main trade-off: needs a case with 420mm fan or radiator mounting - not a common size.
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Pros & Cons
Pros
- ✓ Single-frame 420mm unit replaces three separate fans and their cabling
- ✓ Works with any motherboard 5V aRGB header via the included splitter cable
- ✓ Eight addressable RGB LEDs per fan hub through semi-translucent blades
- ✓ Fluid dynamic bearings rated for a 60,000 hour lifespan
Cons
- ✗ Needs a case with 420mm fan or radiator mounting - not a common size
- ✗ NZXT controller sold separately for CAM speed and lighting control
- ✗ Single frame means one failed fan replaces the whole unit
- ✗ White colorway only in this SKU, limiting darker build themes
Manufacturer description
The NZXT F420 RGB Core takes the fiddly part out of a triple-fan build: instead of mounting and cabling three separate 140mm fans, you install one 420mm single-frame unit with the fans already integrated and wired together. That means a single connection point, not a nest of daisy-chained fan headers behind your motherboard tray. Lighting runs through eight individually addressable RGB LEDs per fan hub, diffused by semi-translucent blades. Pair it with an NZXT controller (sold separately) for effects and speed control in NZXT CAM, or skip the controller entirely and plug into any motherboard…
SpecPicks Verdict
SpecPicks scored NZXT F420 RGB Core using a rating × review-volume × price-fit model applied to published specs and reviews across the pc cases category. NZXT's pc cases lineup sits within the broader category mid-tier; price and specs are the deciding factors over brand loyalty here. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.
Common buyer scenarios for pc cases of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.
Frequently Asked Questions
Do I need an NZXT controller to use the F420 RGB Core?
No. A controller (sold separately) unlocks lighting and speed control through NZXT CAM, but you can connect directly to any motherboard's 5V aRGB header using the included splitter cable.
Will this fit my case?
It requires 420mm fan or radiator mounting, typically a top or front position in a large mid-tower or full tower. Measure your mounting area and check your case spec sheet before ordering.
How many RGB LEDs does it have?
Eight individually addressable RGB LEDs per fan hub, shining through semi-translucent blades. As a triple-fan single-frame unit, that's 24 addressable LEDs across the frame.
Is the NZXT F420 RGB Core quiet?
NZXT uses fluid dynamic bearings specifically for quiet operation and a 60,000 hour lifespan. NZXT does not publish a dBA figure on the listing.
Can I use it on a 420mm AIO radiator?
The blades are designed to boost static pressure to push air through tight spaces, which is what radiator duty demands. Confirm your radiator's fan spacing matches the single-frame layout before mounting.
Key Features
- ALL-IN-ONE DESIGN — Single-frame unit with integrated fans streamlines installation and lighting control—no need to connect individual fans.
- VERSATILE CONNECTIVITY — Simply connect 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 — Fan blades are designed to boost static pressure to push air through tight spaces while ensuring superior airflow.
- SILENT & DURABLE — Fluid dynamic bearings ensure quiet performance and longevity across an exceptional 60,000 hour lifespan.
- VIBRANT LIGHTING — Eight individually addressable RGB LEDs per fan hub shine through semi-translucent blades for personalized lighting effects.
Full Specifications
| Brand | NZXT |
|---|---|
| Color | White |
| Model | RF-U42HF-W1 |
| Voltage | 11.99 volts |
| Wattage | 11.4 watts |
| Unit Count | 3 Count |
| Noise Level | 34.5 db |
| Part Number | RF-U42HF-W1 |
| Cooling Method | Fan |
| Item Highlight | 420mm single-frame unit with three 140mm RGB fans on one cable. Speed and lighting controlled through CAM. |
| Number of Items | 1 |
| Number of Packs | 1 |
| Compatible Devices | Desktop |
| Power Connector Type | 4-Pin |
| Warranty Description | 5 Year Manufacturer |
| Maximum Rotational Speed | 2000 rpm |
| Item Dimensions L x W x H | 16.54"L x 16.54"W x 16.54"H |
Ready to buy?
NZXT F420 RGB Core - 420mm Single-Frame RGB Fan Unit - White is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.
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