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Black 80 mm 4-pin hydro bearing fan, square frame, no LED

OEM Industries

OEM Industries DASA0820R2U 80mm 4 Pin Hydro CPU cooler

SKU CH-BH86-S6KE4

Hydro-bearing 80 mm fan with 4-pin PWM control, 12 V .6 A draw, for DELL Optiplex 790 and 990 SFF chassis

  • ColorBlack
  • TypeFan only
  • Fan Size80mm
  • Bearing TypeHydro
  • Power Connector4 Pin
  • LEDNo
  • 80 mm fan fits DELL OptiPlex 790 and 990 SFF cases
  • Hydro bearing reduces friction for quieter operation
  • 4-pin connector enables PWM speed control
  • 12 V .6 A rating matches original DELL 9DVNN specification
  • 20-piece lot suits bulk maintenance or deployment

OEM Industries DASA0820R2U 80mm 4 Pin Hydro CPU

This is a pack of twenty 80mm cooling fans with hydro bearings and a 4 pin power connector. They are identified by the model number DASA0820R2U and run on 12V at .6A. The fans are designed as direct replacements for the DELL 9DVNN part used in Optiplex 790 and 990 SFF systems. No LEDs are fitted.

Compatibility check before ordering

Verify that your chassis accepts 80mm fans and that the motherboard or fan controller provides a 4 pin header. Confirm the DELL 9DVNN part number matches the unit you are replacing. Ensure the .6A current draw per fan is within the header or controller rating. The hydro bearing design suits continuous operation in compact enclosures.

Suitable for bulk maintenance of Optiplex 790

IT teams refreshing multiple small form factor workstations will value the twenty pack quantity. Builders needing a single fan, a different diameter, LED lighting or a 3 pin connector should look elsewhere. This lot is not intended for large tower coolers or radiators requiring higher static pressure.

Points forts

  • 80 mm fan fits DELL OptiPlex 790 and 990 SFF cases
  • Hydro bearing reduces friction for quieter operation
  • 4-pin connector enables PWM speed control
  • 12 V .6 A rating matches original DELL 9DVNN specification
  • 20-piece lot suits bulk maintenance or deployment

Caractéristiques

ModelDASA0820R2U
ColorBlack
TypeFan only
Fan Size80mm
Bearing TypeHydro
Power Connector4 Pin
LEDNo

Questions sur cet article

Does the lot of 20 include mounting screws or brackets for the OptiPlex 790 and 990 SFF?

The listing supplies 20 fan units only; mounting hardware for the Dell OptiPlex 790 or 990 small-form-factor chassis is not included and must be sourced separately.

Is the 80 mm hydro-bearing model the only variant offered in this 20-piece pack?

Yes, every unit in the pack is the 80 mm DASA0820R2U with a hydro bearing, 4-pin PWM connector, 12 V 0.6 A rating and no LED illumination.

What does the 0.6 A current draw mean for fan-speed control on a standard 4-pin motherboard header?

At 0.6 A the fan stays well within the typical 1 A limit of a 4-pin CPU or chassis header, allowing full PWM speed regulation without overloading the circuit.

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