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Black 120mm square CPU cooler with three-wire connector

OEM Industries

OEM Industries C33211-71A 120mm Square Cooler 12V .49A 3-Wires

SKU CH-XWYB-3MASB

A 120mm square cooler with a NIDEC 12038 ball-bearing fan running at 12V and .49A via a 3-wire connector

  • ColorBlack
  • TypeFan only
  • Fan Size120mm
  • Bearing TypeBall
  • Power Connector3 Wires
  • LEDNo
  • 120 mm square frame fits tight spaces
  • NIDEC 12038 motor with ball bearing runs quietly
  • 12 V .49 A draw keeps power use low
  • 3-wire connector reports speed to the motherboard
  • Black finish blends with any build

120mm Square Fan for Targeted Cooling

This 120mm square cooler uses a NIDEC 12038 motor running at 12V and 0.49A. It suits builders replacing a same-size unit in industrial chassis or legacy servers where a round frame will not fit. The three-wire connector provides tachometer feedback for hardware monitoring. Buyers needing PWM speed control or RGB lighting should look elsewhere.

Ball Bearing Stability Under Continuous Duty

The ball bearing design maintains consistent rotation during long operating periods without the friction rise seen in sleeve alternatives. At 0.49A the current draw stays predictable, so thermal curves remain steady across extended workloads. The fixed 12V supply means speed does not modulate with load changes. Systems requiring variable airflow will not get it from this model.

Black Frame with Three-Wire Power Lead

The black square housing mounts directly to standard 120mm hole patterns using four corner screws. A three-wire lead carries power, ground and a speed signal for BIOS or fan-controller reading. No LED illumination is present, keeping the unit suitable for dark server rooms. Installers must verify connector polarity before applying power.

Highlights

  • 120 mm square frame fits tight spaces
  • NIDEC 12038 motor with ball bearing runs quietly
  • 12 V .49 A draw keeps power use low
  • 3-wire connector reports speed to the motherboard
  • Black finish blends with any build

Specifications

ModelC33211-71A
ColorBlack
TypeFan only
Fan Size120mm
Bearing TypeBall
Power Connector3 Wires
LEDNo

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