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Black square 80mm frame 25mm deep two-pin ball-bearing cooling fan

OEM Industries

OEM Industries MD825B-24H 80mm ball-bearing fan 24V

SKU CH-Y7F0-A3DY8

80mm ball-bearing cooling fan operates at 24V drawing 0.14A in 25mm thickness

  • ColorBlack
  • TypeFan only
  • Fan Size80mm
  • Bearing TypeBall
  • Power Connector2 Pin
  • LEDNo
  • 80 mm frame fits tight chassis spaces
  • Dual ball bearings extend operating life
  • 24 V rating suits industrial power rails
  • Low 0.14 A draw reduces supply load
  • 25 mm thickness matches standard 8025 mounting

80 mm ball-bearing cooling fan

The OEM Industries MD825B-24H is an 80 mm square fan designed for CPU air-cooling applications. It runs on 24 V DC and draws 0.14 A through a two-pin power connector. The black frame measures 80 by 80 by 25 mm and contains no LED lighting. Dual ball bearings support the rotor for long service life in continuous operation.

Replaces worn sleeve-bearing units

This fan replaces 80 mm sleeve-bearing models that have become noisy or seized after extended use. The ball-bearing design tolerates higher operating temperatures and variable mounting orientations without premature wear. The upgrade is worth it when the original fan fails to maintain airflow or develops audible rattling that cleaning cannot resolve.

Limited by two-pin voltage control

Speed regulation depends on the host varying the supply voltage because the two-pin connector provides no PWM or tachometer signal. Systems that rely on four-pin headers for closed-loop fan curves cannot monitor or precisely control this unit. Builders needing RPM feedback or motherboard-managed profiles should select a three- or four-pin alternative.

Besonderheiten

  • 80 mm frame fits tight chassis spaces
  • Dual ball bearings extend operating life
  • 24 V rating suits industrial power rails
  • Low 0.14 A draw reduces supply load
  • 25 mm thickness matches standard 8025 mounting

Technische Daten

ModelMD825B-24H
ColorBlack
TypeFan only
Fan Size80mm
Bearing TypeBall
Power Connector2 Pin
LEDNo

Fragen zu diesem Artikel

Will the 80mm frame with 25mm depth fit my 80mm mounting holes?

The fan measures 80mm square and 25mm thick, matching standard 80mm mounting patterns.

How do I connect the 2-pin power lead to a 24V source without reversing polarity?

Align the keyed 2-pin connector with the header; the plug only seats one way, preventing reverse insertion.

When should I expect to replace the ball-bearing fan running at 0.14A?

Ball bearings typically last tens of thousands of hours; replace the unit if noise increases or airflow drops noticeably.

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