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Black 120mm square fan 38mm thick four-pin connector no LED

OEM Industries

OEM Industries DV12038B12H 120x38mm 4 Pin CPU Cooler

SKU CH-KKBF-QMKBS

120 mm ball-bearing fan with 4-pin PWM control for server and workstation cooling

  • ColorBlack
  • TypeFan only
  • Fan Size120mm
  • Bearing TypeBall
  • Power Connector4 Pin
  • LEDNo
  • 120 mm frame fits standard server mounts
  • 38 mm thickness moves more air through dense heatsinks
  • Ball bearing withstands continuous high-RPM operation
  • 4-pin PWM connector enables precise speed control
  • 12 V 4.5 A rating supports demanding inverter cooling loads

120x38mm 4-pin server cooler

The OEM Industries DV12038B12H is a 120mm by 38mm case fan built for server and inverter cooling duties. It runs on 12V at 4.5A and uses a four-wire PWM connector for speed control. The black frame houses a ball-bearing motor and carries Lenovo part number 31-053745.

Suited for high-airflow server chassis

This unit fits administrators replacing the original Lenovo cooler or integrators building dense 1U and 2U systems that accept a 38mm-thick fan. It is not for buyers who need a thinner fan, a lower current draw or an LED-equipped model.

4.5A current draw at 12V

The 4.5 amp rating is the critical figure for power-budget planning and motherboard header limits. Verify that the target header can supply this amperage before installation.

Points forts

  • 120 mm frame fits standard server mounts
  • 38 mm thickness moves more air through dense heatsinks
  • Ball bearing withstands continuous high-RPM operation
  • 4-pin PWM connector enables precise speed control
  • 12 V 4.5 A rating supports demanding inverter cooling loads

Caractéristiques

ModelDV12038B12H
ColorBlack
TypeFan only
Fan Size120mm
Bearing TypeBall
Power Connector4 Pin
LEDNo

Questions sur cet article

How do I mount the 120 mm fan in a server chassis and which step is often missed?

Align the four screw holes on the 120 mm frame with the chassis mounting points, then connect the 4‑pin PWM header so the motherboard can control speed; the step most people miss is plugging in the fourth wire for PWM control.

What part will need replacement first on the DV12038B12H and when?

The ball‑bearing motor is the only moving part; expect it to run for years in a 12 V 4.5 A server environment before bearing noise signals a swap.

At what point does the 38 mm thick fan hit its thermal limit during constant load?

The 12 V 4.5 A rating sets the maximum continuous current; if the inverter cooler draws the full 4.5 A for extended periods the motor reaches its design thermal ceiling.

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