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New original Dell Optiplex SFF radiator fan 7D86K AVC BAZB0925R2U DC12V 1.0A 24CFM 4-pin

SXDOOL

SXDOOL Dell Optiplex 3050 5050 7050 SFF Radiator Fan 7D86K AVC BAZB0925R2U DC12V 1.0A 24CFM 4-pin

SKU CH-138V-99NT4

Replacement radiator fan for Dell Optiplex 3050, 5050 and 7050 SFF desktops, 12 V DC, 1.0 A, 24 CFM airflow, 4-pin PWM control

  • Direct replacement for Dell Optiplex 3050, 5050, 7050 SFF
  • Genuine Dell spare part number 7D86K ensures exact fit
  • AVC BAZB0925R2U motor delivers 24 CFM airflow
  • 12 V DC, 1.0 A power draw runs efficiently
  • 4-pin PWM connector enables precise speed control

Replacement fan for Dell Optiplex SFF

This 4-pin radiator fan is a new original spare part built for Dell Optiplex 3050, 5050 and 7050 small-form-factor desktops. It matches the manufacturer part number 7D86K and the AVC model BAZB0925R2U. The unit suits owners or technicians who need a direct drop-in replacement for a worn or noisy cooler in these specific chassis.

Installation notes and common issues

The fan connects via a standard 4-wire PWM header and runs on 12 V DC at 1.0 A, so it fits the existing motherboard connector without adapters. Because the SFF layout is tight, the radiator must be removed from the case before the fan can be swapped; forcing it in place often cracks the plastic shroud. Reusing the original mounting screws avoids thread mismatch, and the cable should be routed clear of the side-panel latch.

Limits of the 4-pin PWM interface

The 4-pin connector allows the motherboard to vary speed through pulse-width modulation, but the firmware on these Optiplex models caps the maximum duty cycle, so the fan cannot exceed its rated 24 CFM even under heavy load. The control loop also lacks a user-accessible curve editor, meaning acoustic behaviour is fixed by the BIOS. Builders who want higher airflow or manual speed profiles will find the interface restrictive.

Pontos fortes

  • Direct replacement for Dell Optiplex 3050, 5050, 7050 SFF
  • Genuine Dell spare part number 7D86K ensures exact fit
  • AVC BAZB0925R2U motor delivers 24 CFM airflow
  • 12 V DC, 1.0 A power draw runs efficiently
  • 4-pin PWM connector enables precise speed control

Especificações

Ainda não há especificações publicadas para este artigo.

Perguntas sobre este artigo

How can I verify the 7D86K radiator fan is running correctly after installing it in my Optiplex 3050 SFF?

The 4-pin PWM connector lets the motherboard report real-time RPM in BIOS or Dell Command

What comes in the package and do I need any extra cables or screws for the Dell Optiplex 5050 SFF?

The pack contains one 7D86K radiator fan with its 4-wire 4-pin lead attached; Dell Optiplex 3050, 5050 and 7050 SFF chassis use the existing mounting points, so no additional hardware is required.

Which spare part number should I choose for a Dell Optiplex 7050 SFF — 7D86K or another code?

7D86K is the original Dell spare part number specified for the Optiplex 3050, 5050 and 7050 SFF radiator fan; select this exact code to match the AVC BAZB0925R2U specification.

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