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Black 120mm case fan with extra-thick 28mm frame and circular ARGB LED ring

ASUS

ASUS PRIME MR120 FAN ARGB BLACK 120mm 28mm case fan

SKU CH-B3ES-22MK5 MPN PRIME MR120 FAN ARGB BLACK

A 28 mm thick 120 mm case fan with 20 ARGB LEDs, dual-sided frame lighting, PWM control up to 1600 RPM, 55-60 CFM airflow, 1.7 mmAq pressure and 21 dBA noise

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size120mm
  • Fan Thickness28mm
  • Extra-thick 28mm frame improves airflow for demanding cooling
  • Quiet operation at 21 dBA keeps the system silent
  • 20 addressable RGB LEDs with dual-sided lighting create vivid effects
  • PWM control up to 1600 RPM adapts speed to workload
  • Aura Sync compatibility synchronises colours across compatible hardware

ASUS Prime MR120 ARGB fan overview

The ASUS Prime MR120 is a single 120mm case fan with an extra-thick 28mm frame. It targets builders who want stronger static pressure and addressable RGB lighting in a black finish. The sleeve bearing keeps acoustic output low at 21 dBA while the 4-pin PWM connector allows motherboard speed control up to 1999 RPM.

PWM control and 4-pin connector limits

Speed is regulated through a standard 4-pin PWM header so the motherboard can vary RPM between 1600 and 1999. Without a dedicated fan controller in the box the fan relies entirely on the header or a hub for power and signal. The 1.7 mmAq pressure rating suits radiators or restrictive meshes but offers no headroom beyond the stated curve.

Clearance and orientation check before ordering

Verify that your case or radiator can accommodate a 28mm thick fan at each mounting point. The dual-sided frame lighting requires visible fan faces to be effective so solid front panels or tight side panels may hide the effect. Confirm the motherboard has a 5V ARGB header or a compatible controller for Aura Sync synchronization.

Highlights

  • Extra-thick 28mm frame improves airflow for demanding cooling
  • Quiet operation at 21 dBA keeps the system silent
  • 20 addressable RGB LEDs with dual-sided lighting create vivid effects
  • PWM control up to 1600 RPM adapts speed to workload
  • Aura Sync compatibility synchronises colours across compatible hardware

Specifications

BrandASUS
SeriesPrime
Model90DA00I0-B08000
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
CompatibilityCase
Fan Size120mm
Fan Thickness28mm
Bearing TypeSleeve Bearing
RPM1600-1999 RPM
Air Flow55-60 CFM
Air Pressure1.7 mmAq
Noise Level21 dBA
Power Connector4-pin PWM
ColorBlack / White / ARGB
LEDARGB
Sports Team1 Pack
Dimensions120 x 120 x 28 mm
Shipping weight0.23 kg
Package size142 × 127 × 38 mm

Questions about this item

Should I pick the black or white version of the 28mm Prime MR120?

Both colours share the same 28mm frame, 20 ARGB LEDs and 1600 RPM PWM range, so choose the finish that matches your build theme.

What does the 1.7 mmAq static pressure mean for my radiator or heatsink?

The 1.7 mmAq rating lets the fan push air through dense fins on radiators or tower coolers while staying at 21 dBA.

How does the 4-pin PWM connector control the 1600-1999 RPM range?

The motherboard varies voltage on the fourth wire to keep the fan between 1600 and 1999 RPM based on temperature curves.

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