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Black 120mm square cooling fan with 4-wire connector

OEM Industries

OEM Industries PMD4812PMB1-A 120mm 48V 4-Wire CPU Cooler

SKU CH-G8TR-9FDJT MPN PMD4812PMB1-A

A 120 mm dual-ball-bearing fan with 4-wire PWM control for 48 V server and workstation cooling

  • ColorBlack
  • TypeFan only
  • Fan Size120mm
  • Bearing Type2 Ball
  • Power Connector4 Wires
  • LEDNo
  • Dual ball bearings for longer service life
  • 48 V DC input suits industrial power systems
  • 4-wire PWM connector enables precise speed control
  • 120 mm frame fits standard 12038 mounting holes
  • 9 W rated power delivers strong airflow

Industrial 48 V 120 mm fan

This OEM Industries cooler is a 120 mm fan built for 48 V DC systems. It uses a two-ball bearing and a four-wire PWM connector for speed control. The unit suits rack-mount servers, telecom gear or industrial chassis that run on 48 V power rails.

14.9 W at model speed 1249

At its rated 14.9 W the fan delivers the airflow specified by the manufacturer for the PMD4812PMB1-A design. Headroom exists while the thermal load stays within that envelope; beyond it the single-fan assembly cannot move additional heat. No LED lighting is present.

Four-wire 48 V PWM connector

The four-wire interface is the sole specification that determines fit: the host must supply 48 V DC and accept a standard PWM signal on the same header. Systems using 12 V or three-pin headers cannot drive this fan correctly.

Points forts

  • Dual ball bearings for longer service life
  • 48 V DC input suits industrial power systems
  • 4-wire PWM connector enables precise speed control
  • 120 mm frame fits standard 12038 mounting holes
  • 9 W rated power delivers strong airflow

Caractéristiques

ModelPMD4812PMB1-A
ColorBlack
TypeFan only
Fan Size120mm
Bearing Type2 Ball
Power Connector4 Wires
LEDNo

Questions sur cet article

Will the 120 mm fan with 4-wire PWM connector work on a motherboard that only has 3-pin headers?

Yes, the 4-wire connector fits a 3-pin header and the fan will run at full speed; the fourth wire for PWM speed control will simply be unused.

How can I verify the cooler is running at the correct 48 V and 14.9 W after installation?

Monitor the fan speed reported by the BIOS or a hardware-monitoring utility; it should match the 1249 RPM specification for the PMD4812PMB1-A at 48 V.

Does the package include mounting brackets or thermal paste, or do I need to buy them separately?

The product is supplied as the fan unit only; any mounting hardware or thermal compound required for your CPU socket must be purchased separately.

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