# Cooler Master SickleFlow 140 V2 ARGB Square Frame Fan, ARGB 3-Pin Customizable LEDS, Air Balance Curve Blade, Sealed Bearing,140mm PWM Control for Computer Case & Liquid Radiator

- Category: Case Cooler
- Brand: Cooler Master
- Model: SickleFlow
- Part number: MFX-B4DN-14NPA-R1
- Price (US): currently unavailable
- Price last checked: 2026-08-06
- Rating: 4.6/5 from 4080 Amazon reviews
- Warranty: 3 years
- Product page: https://buildmypc.net/component-details/case-cooler/cooler-master-sickleflow-mfx-b4dn-14npa-r1/

## Specifications

| Spec | Value |
| --- | --- |
| Brand | Cooler Master |
| Model | SickleFlow |
| FAN RPM | 1400 RPM |
| Noise Level | 27 dBA |
| Airflow | 67 CFM |

## Key Features

- ARGB Lighting: Signature cooling performance with an ARGB 3-Pin design: a perfect choice for all of the users wanting lighting effects that are individually customizable.
- New Blade Design: Revised curve blade design to improve airflow and air pressure. A refreshed blade for improved lighting.
- Enhanced Fan Frame: Enhanced frame structure, reducing turbulent flow noise increase efficiency.
- Sealed Bearing Structure: Sealed and secured fan bearing, preventing dust and lubricating oil leakage while increasing the fan’s operation stability and life span.
- PWM Fan Control: Dynamically adjust the speed between 650 rpm to 1,400 rpm, minimizing noise or maximizing airflow.

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