The Cooler Master SickleFlow 140 ARGB (MFX-B4DN-14NPA-R1) is a 140 mm case fan with addressable RGB lighting, delivering up to 67 CFM of airflow at 650-1400 RPM while staying as quiet as 10 dBA. Its rifle bearing and 4-pin PWM control make it a balanced airflow upgrade for any PC case or radiator.
Key Features
Large 140 mm frame moves more air at lower speeds than a 120 mm fan
Up to 67 CFM airflow and 2.2 mmH2O static pressure
Quiet operation from 10 to 27 dBA
4-pin PWM control with 650-1400 RPM speed range
Addressable RGB (3-pin 5V ARGB) lighting with 6 LEDs
Durable rifle bearing rated at 160,000 hours MTTF
Slim 25 mm design fits cases and radiators
2-year manufacturer warranty
Full Specifications
General
Brand
Cooler Master
Model
SickleFlow 140 ARGB
Part Number
MFX-B4DN-14NPA-R1
Type
Case fan
Color
Black
Performance
Size
140 x 140 x 25 mm
Fan Speed
650-1400 RPM (+/- 200 RPM)
Airflow
67 CFM (+/- 10%)
Static Pressure
2.2 mmH2O (+/- 10%)
Noise Level
10-27 dBA
Bearing
Rifle bearing
MTTF
160,000 hours
Electrical and Lighting
Fan Voltage
12 VDC
Fan Current
0.15 A
Power Consumption
1.8 W
Fan Connector
4-pin PWM
RGB Voltage
5 VDC
RGB Connector
3-pin ARGB (6 LEDs)
Physical
Weight
195 g
Warranty
2 years
Who Is It For?
Builders adding airflow to a case or radiator
Gamers who want ARGB lighting that syncs with the rest of the build
Users who want quiet cooling at low speeds
In the Box
1 x SickleFlow 140 ARGB fan
Mounting screws
User documentation
Frequently Asked Questions
What size is this fan? It is a 140 x 140 x 25 mm fan; make sure your case or radiator supports 140 mm mounting.
Does it support PWM speed control? Yes, it uses a 4-pin PWM connector with a speed range of 650-1400 RPM.
How is the RGB connected? Through a 3-pin 5V addressable RGB (ARGB) connector compatible with standard ARGB headers.
Order the Cooler Master SickleFlow 140 ARGB from PC PARK with warranty and fast delivery across Saudi Arabia.
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Our Milestones
2023
Expanded our product catalog with the latest gaming and professional hardware, serving thousands of satisfied customers
2024
Launched our online store and delivery service, making tech accessible to customers across Saudi Arabia
2025
Reached a major milestone in customer satisfaction with enhanced after-sales support and warranty services
2026
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