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Black 90mm square case fan with ARGB lighting and 25mm depth

Mechanic master

Mechanic Master 9025 90mm ARGB PWM Case Fan 25mm Black

SKU CH-BF73-EEZYY

A 90 mm case fan with ARGB lighting and PWM speed control up to 2999 RPM

  • Number of fans1 Fan
  • Fan controlNo Controller
  • Fan depth25 mm
  • Rotational speed2500-2,999 RPM
  • Power input connector3 / 4 Pin
  • LED lightingARGB
  • 90 mm frame fits tight build spaces
  • 25 mm thickness balances airflow and clearance
  • ARGB lighting adds addressable colour effects
  • PWM control adjusts speed from 2500 to 2999 RPM
  • Dual 3 / 4 pin connector works with most headers

90 mm ARGB PWM case fan

The Mechanic Master 9025 is a single 90 mm case fan designed for compact chassis that need directed airflow. Its 25 mm thickness fits standard mounting points while the 4-pin PWM connector allows motherboard speed control. ARGB lighting adds addressable colour effects for builds that value visual coordination.

Sustained load behaviour

At 2500 to 2999 RPM the fan moves air continuously rather than in short bursts, so temperatures stabilise during extended gaming or rendering sessions. PWM regulation adjusts speed to thermal demand, keeping acoustic output lower when the system idles. The 3-pin fallback ensures operation on older headers without PWM circuitry.

Interface practical limits

The 4-pin PWM and 3-pin voltage headers share a single fan channel, so daisy-chaining multiple units requires a separate splitter or hub not included with this product. ARGB synchronisation depends on a compatible 5 V 3-pin motherboard header or external controller. No dedicated fan controller is bundled, limiting independent speed profiles.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $9.99
Cheaper than about 91% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed2500-2,999 RPM
Power
Power input connector3 / 4 Pin
Size & build
Number of fans1 Fan
Fan depth25 mm
Compatibility
Compatible withCase
More details
Fan controlNo Controller
LED lightingARGB

Questions about this item

How loud and hot does the 90mm 25mm fan run at 2500-2999 RPM all day?

At 2500-2999 RPM the 90mm 25mm fan moves air steadily; PWM control lets the motherboard lower speed when temperatures drop, reducing noise and power draw during long sessions.

My motherboard only has a 3-pin header — will the 4-pin PWM connector still work?

Yes, the fan includes both 3-pin and 4-pin connectors so it runs on either header; on a 3-pin header speed is voltage-controlled, on a 4-pin header PWM takes over.

Will the ARGB lighting sync with my older 5 V 3-pin addressable RGB header?

The fan uses standard 5 V 3-pin ARGB; it will sync with any compatible motherboard or controller that provides that header, regardless of the board's age.

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