Cooler Master MasterFan MF140 HALO² Case Fan (White)

Overview

The Cooler Master MFL-B4DW-16NP2-R2 is a 140 mm case fan designed to enhance airflow in PC builds while maintaining low noise levels. It features blades that are ten percent larger than previous models, spinning up to 1600 RPM to deliver up to 59.51 cubic feet of air per minute with a maximum noise output of just 27 dBA. This fan is suitable for gaming rigs, workstations, and home office systems that require efficient cooling without excessive sound.

Key features

• Blades enlarged by ten percent to increase airflow and cooling efficiency.
• PWM support allows the motherboard to automatically adjust fan speed for optimal temperature control and noise reduction.
• Rifle bearing design reduces friction, extending the fan’s lifespan and ensuring smooth operation.
• Hybrid frame construction minimizes vibration, preventing rattling noises inside the case.
• Addressable RGB lighting with dual loop rings and frosted blades creates an even and customizable glow visible from all angles.
• Includes an ARGB controller for lighting customization when motherboard headers are unavailable.
• Comes with both 3-pin and 4-pin connectors, offering compatibility with a wide range of motherboards and fan hubs.
• Versatile installation options: can be used as intake, exhaust, or mounted on radiators for liquid cooling setups.

Key specs

• Fan diameter: 140 mm
• Maximum fan speed: 1600 RPM
• Airflow: 59.51 CFM
• Noise level: 27 dBA
• Bearing type: Rifle bearing
• Lighting: Addressable RGB with dual loop rings
• Connectors: 3-pin and 4-pin PWM

Connectivity and compatibility

This fan supports both 3-pin and 4-pin connectors, making it compatible with virtually all modern motherboards and fan hubs. The included ARGB controller allows for lighting customization even if your motherboard lacks an addressable RGB header. This flexibility ensures easy integration into a variety of PC builds, whether you are upgrading an existing system or assembling a new one.

Installation and setup

Installation is straightforward thanks to the standard 140 mm size and included connectors. The fan fits easily into standard fan mounts and can be positioned as an intake to cool critical components like graphics cards, mounted on a 280 mm radiator for liquid cooling, or placed at the rear of compact cases to improve exhaust airflow. The PWM control lets your system manage fan speed automatically, balancing cooling needs with quiet operation.

Ideal uses and environments

This case fan is well suited to users who need reliable cooling with minimal noise, such as gamers, content creators, and professionals working in quiet home offices. Its customizable RGB lighting adds visual appeal to builds where aesthetics matter. Whether you are building a high-performance gaming rig or refreshing an older workstation, this fan provides the airflow and lighting control needed to keep your system stable and visually striking.