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Cooler Master SickleFlow 140 ARGB 140mm PWM 1400RPM High-Airflow Case Fan

Cooler Master SickleFlow 140 ARGB 140mm PWM 1400RPM High-Airflow Case Fan

The Cooler Master SickleFlow 140 ARGB is a high-performance 140mm cooling solution designed with optimized blade curvature to balance airflow and static pressure. It features a reinforced frame and a sealed rifle bearing to ensure long-term durability and quiet operation in demanding PC builds.


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Description

The Cooler Master SickleFlow 140 ARGB represents a significant engineering evolution in the SickleFlow series, specifically designed to enhance thermal dissipation for both case intake and radiator cooling. By utilizing an updated blade design, this fan maximizes air volume and pressure while maintaining a low acoustic profile. The integration of addressable RGB lighting ensures compatibility with major motherboard ecosystems, allowing for a fully synchronized aesthetic across your entire system.


This product is for:
- Performance enthusiasts looking for a 140mm fan that balances 67 CFM airflow with 2.2 mmH2O static pressure.
- PC builders requiring addressable RGB (5V) synchronization with ASUS Aura, ASRock RGB, Gigabyte Fusion, or MSI Mystic Light.
- Users upgrading 280mm or 420mm liquid cooling radiators that need high-pressure fans to penetrate dense fin arrays.
- Quiet-computing advocates who need PWM-controlled fans capable of operating as low as 10 dBA during idle tasks.
- System integrators seeking a reliable cooling component with a 160,000-hour MTTF and a 2-year warranty.

Detailed specifications:
- Dimensions: 140 x 140 x 25 mm (5.5 x 5.5 x 1 inch)
- Fan Speed: 650-1400 RPM ± 200 RPM
- Airflow: 67 CFM ± 10%
- Static Pressure: 2.2 mmH2O ± 10%
- Noise Level: 10 - 27 dBA
- Bearing Type: Rifle Bearing
- MTTF: 160,000 Hours
- Rated Voltage: 12VDC (Fan) / 5VDC (RGB)
- Connector: 4-Pin PWM (Power) / 3-Pin ARGB (Lighting)

In practical application, the SickleFlow 140 ARGB excels due to its reinforced frame structure, which minimizes turbulence and mechanical vibration. The frosted fan blades are specifically engineered to diffuse light evenly, creating a smooth glow without visible hotspots. The 4-pin PWM control allows the system to dynamically adjust speeds based on thermal load, ensuring the fan remains nearly silent during light use while providing aggressive cooling during gaming or rendering sessions.

Compared to standard 120mm fans, the SickleFlow 140 ARGB provides significantly higher airflow at lower rotational speeds, resulting in a more efficient noise-to-performance ratio. While the 120mm version is ideal for compact builds, this 140mm variant is the superior choice for mid-to-full tower cases where maximizing the intake surface area is critical for maintaining low internal ambient temperatures. Its 2.2 mmH2O static pressure also makes it more effective than typical case fans when mounted against restrictive dust filters.

Q&A:
- Is this fan compatible with 12V 4-pin RGB headers? No, the SickleFlow 140 ARGB uses a 3-pin 5V ARGB connector; connecting it to a 12V header will damage the LEDs.
- Can I daisy-chain the ARGB cables? Yes, the fan includes a secure connection clip to ensure the ARGB headers stay firmly attached when linked to other components.
- Does the fan include mounting screws? Yes, standard case mounting screws are included in the package for immediate installation.
- What is the benefit of the sealed rifle bearing? The sealed structure prevents dust ingress and lubricant leakage, which significantly extends the fan's lifespan to 160,000 hours of operation.
- Can I use this fan on a CPU air cooler? Yes, as long as your heatsink supports 140mm fan clips, its high static pressure makes it an excellent choice for air cooling towers.
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