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Cooler Master

Cooler Master R4-TMBB-08FK-R0 Turbine Master 120mm Fan

A 16-blade 120mm case fan with a removable barometric ball bearing for quiet, high-airflow cooling.

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Overview

The Cooler Master Turbine Master Mach 0.8 (R4-TMBB-08FK-R0) is a 120mm case fan designed around the principle that more blades at lower speed can move air more efficiently and quietly. Its 16-blade impeller generates steady airflow at just 800 RPM, making it a strong choice for users who prioritize a silent computing environment over raw cooling power. The standard 120mm form factor ensures broad compatibility with PC cases, radiator mounts, and other cooling setups.

A distinguishing feature of this fan is its barometric ball bearing, which Cooler Master has made removable for easy cleaning and maintenance. Over time, dust buildup on bearings can increase noise and reduce lifespan — the ability to remove, clean, and re-seat the bearing helps maintain the fan's performance. While the fixed-speed, non-PWM design limits flexibility for users who want dynamic speed control, the Turbine Master serves its intended role well as a reliable, low-noise airflow solution for general-purpose PC cooling.

Key Features

The innovative Barometric Ball Bearing technology provides longer life span while remaining lower noise level.

Removable blades for quick and easy cleanup.

Outstanding 16-blade design covers maximum area to generate striking airflow, even under low speed operation.

High airflow design gives excellent chassis ventilation.

One-of-a-kind turbine shape inspired by a powerful turbine engine.

Specifications

Brand
Cooler Master
Model
R4-TMBB-08FK-R0
Fan Size
120mm
Speed
800 RPM
Bearing Type
Barometric Ball Bearing (BBB)
Blade Design
16-Blade

Frequently Asked Questions

It uses a barometric ball bearing (BBB), which is designed for long life and low noise. The bearing is also removable for cleaning and maintenance.
The Turbine Master Mach 0.8 runs at 800 RPM, which is a low speed designed to prioritize quiet operation while still moving a meaningful volume of air.
The higher blade count allows the fan to move more air per revolution at lower speeds, which contributes to quieter operation compared to fans that rely on higher RPM to achieve similar airflow.
Yes, it uses the standard 120mm fan form factor and mounting holes, making it compatible with most PC cases and radiators that accept 120mm fans.

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