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Red 37mm square 4-pin fan with 75mm diameter rotor

OEM Industries

OEM Industries FD9238H12S 12V .8A 4-pin RED 37mm 75mm Fan

SKU CH-27G7-KHNDY

Red 37 mm sleeve-bearing fan with 4-pin PWM control for ATI HD4870, HD5850, HD5870 and HD5970 graphics cards

  • ColorRed
  • TypeFan only
  • Bearing TypeSleeve Bearing
  • Power Connector4 Pin
  • LEDNo
  • 12 V 0.8 A PWM fan for precise speed control
  • Fits ATI HD 4870 5850 5870 5970 graphics cards
  • 37 mm square frame matches original mounting holes
  • 75 mm overall diameter clears standard coolers
  • Red 4-pin sleeve-bearing design for direct replacement

Replacement Cooler for Legacy ATI Cards

The OEM Industries FD9238H12S is a 12V 0.8A sleeve-bearing fan with a 4-pin PWM connector. It measures 37mm square and 75mm in overall diameter. The red frame matches the original cooler aesthetic on select ATI graphics cards.

Direct Swap for HD 4870 5850 5870 5970

This unit replaces the stock NTK turbofan used on the HD 4870 HD 5850 HD 5870 and HD 5970. The jump is worth it when the original fan develops bearing noise or fails to spin at full PWM duty cycle.

Suits Owners of Those Specific Models

Builders restoring or maintaining an HD 4870 HD 5850 HD 5870 or HD 5970 will find the correct connector and mounting fit. Buyers needing a fan for any other GPU or a different voltage and pin layout should look elsewhere.

Points forts

  • 12 V 0.8 A PWM fan for precise speed control
  • Fits ATI HD 4870 5850 5870 5970 graphics cards
  • 37 mm square frame matches original mounting holes
  • 75 mm overall diameter clears standard coolers
  • Red 4-pin sleeve-bearing design for direct replacement

Caractéristiques

ModelFD9238H12S
ColorRed
TypeFan only
Bearing TypeSleeve Bearing
Power Connector4 Pin
LEDNo

Questions sur cet article

Will the 37 mm square frame and 75 mm overall diameter fit my ATI HD4870, HD5850, HD5870 or HD5970 cooler?

The fan measures 37 mm by 37 mm by 37 mm with a 75 mm diameter and is listed as a direct replacement for ATI HD4870, HD5850, HD5870 and HD5970 graphics card coolers.

How do I connect the 4-pin PWM connector so the fan reports speed correctly?

Align the keyed 4-pin plug with the graphics card header and press straight in; the fourth wire carries the PWM signal, so it must be fully seated or the motherboard will not read the fan speed.

When should I plan to replace the sleeve bearing in this FD9238H12S fan?

Sleeve bearings typically last several years at 12 V 0.8 A; replace the fan when noise increases or rotation becomes uneven, as the bearing is not serviceable.

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