Cooler Master
Cooler Master MF120 Halo² ARGB 120mm PWM Case Fan
Bottom line: The Cooler Master MF120 Halo² ARGB 120mm PWM Case Fan ($14.99 on Amazon as of 2026-10-06): Dual-loop Gen 2 ARGB rings, 50% brighter than prior Halo series; main trade-off: ARGB needs a 3-pin 5V addressable header, not older 12V RGB boards.
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*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
Pros & Cons
Pros
- ✓ Dual-loop Gen 2 ARGB rings, 50% brighter than prior Halo series
- ✓ 0-2,050 RPM PWM range dials noise vs airflow, stops at 0 RPM when idle
- ✓ Air Balance blades 10% larger for more airflow than the original Halo 120
- ✓ Hybrid frame eases install and adds mounting stability
Cons
- ✗ ARGB needs a 3-pin 5V addressable header, not older 12V RGB boards
- ✗ No included ARGB or fan controller/hub in the box
- ✗ 2,050 RPM tops out below high-static-pressure fans for dense radiators
- ✗ Frosted blades pull light focus, muting some solid-color looks
Manufacturer description
Following the popularity of the MasterFan 120 Halo series, Cooler Master has redesigned our Dual Loop LED series fan to introduce the new MasterFan MF120 Halo². The fan blades have been increased by 10% over its predecessor to deliver better air flow and cooling performance. The frame has been designed with a hybrid frame structure to maintain stability without sacrificing fan operational real estate. The driver IC has been upgraded for increased cooling performance while minimizing fan noise. Cooler Master has maintained the elegant Dual Loop LED design featuring our Addressable Gen 2 RGB…
SpecPicks Verdict
SpecPicks scored Cooler Master MF120 Halo² ARGB 120mm PWM Case Fan using a rating × review-volume × price-fit model applied to published specs and reviews across the cooling & fans category. Cooler Master's cooling & fans 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 cooling & fans 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.
Key Features
- Dual-Loop ARGB Rings: Enjoy 50% brighter illumination with more vibrant LED rings
- Halo 120 Fan: Redesigned hybrid frame optimal airflow and stability with optimized PWM blades, while simplifying the installation
- Enlarged Fan Blades: Air Balance fan blades are 10% larger, boosting airflow and cooling performance
- Dynamic PWM Fan: A PWM 4-pin header allows adjustable fan speeds from 0 to 2,050 RPM, to balance noise and airflow
- Frosted Blade Design: The frosted blade enhances the dispersion of aRGB lighting, creating a vibrant and customizable luminous effect
- Versatile Compatibility: Compatible with case cooling, liquid coolers, and air coolers for flexible installation options across various PC builds
Full Specifications
| Brand | Cooler Master |
|---|---|
| Model | MFL-B2DN-21NP2-R2 |
| Voltage | 12 volts |
| Material | Polycarbonate |
| Unit Count | 1 Count |
| Noise Level | 27 db |
| Part Number | MFL-B2DN-21NP2-R2 |
| Halo 120 Fan | Redesigned hybrid frame optimal airflow and stability with optimized PWM blades, while simplifying the installation |
| Compatibility | PC |
| Material Type | Polycarbonate |
| Cooling Method | Air |
| Dynamic PWM Fan | A PWM 4-pin header allows adjustable fan speeds from 0 to 2,050 RPM, to balance noise and airflow |
| Number of Items | 1 |
| Compatible Devices | Desktop |
| Enlarged Fan Blades | Air Balance fan blades are 10% larger, boosting airflow and cooling performance |
| Included Components | MF120 Halo² |
| Dual-Loop ARGB Rings | Enjoy 50% brighter illumination with more vibrant LED rings |
| Frosted Blade Design | The frosted blade enhances the dispersion of aRGB lighting, creating a vibrant and customizable luminous effect |
| Power Connector Type | 4-Pin |
| Warranty Description | 2 Years |
| Full listing title | Cooler Master MF120 Halo² ARGB 120mm PWM Case Fan, Dual Loop Addressable RGB Lighting, 2050 RPM Dynamic PWM Cooling, Air Balance Blades, Hybrid Frame High Airflow PC Cooling Fan for Gaming Cases |
Ready to buy?
Cooler Master MF120 Halo² ARGB 120mm PWM Case Fan, Dual Loop Addressable RGB Lighting, 2050 RPM Dynamic PWM Cooling, Air Balance Blades, Hybrid Frame High Airflow PC Cooling Fan for Gaming Cases 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.
*Price sourced from Amazon.com. Last updated 2026-10-06. Price and availability subject to change.
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