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Square 80mm case fan with black frame and blades, three-wire lead visible

Fans

Fans AD0812HB-A73GLBearing case fan 12V 0.25A 4000RPM 8025 3-pin 20cm

SKU CH-03QK-C5GFQ MPN AD0812HB-A73GLBearing

80 mm dual ball-bearing case fan runs at 4000 RPM on 12 V with a 3-pin connector and 20 cm lead

  • Double ball bearing for long service life
  • 4000 RPM airflow keeps components cool
  • 12 V 0.25 A draws little power
  • 3-pin connector fits standard motherboard headers
  • 20 cm cable reaches most chassis layouts

Purpose-built cooling for tight spaces

The AD0812HB-A73GL is an 80 mm square axial fan designed for 12 V DC systems that need focused airflow in compact enclosures. It suits builders refreshing small-form-factor PCs, industrial chassis, or projector housings where an 8025 footprint is specified.

Double ball bearing and short lead

A dual ball-bearing motor rated for 4000 RPM at 0.25 A gives reliable rotation with minimal lateral play. The three-pin connector plugs directly into a motherboard header for speed monitoring, while the 20 cm cable keeps routing tidy inside cramped cases.

Verify voltage, header and clearance

Confirm your board supplies 12 V on a three-pin fan header and that the 80 × 80 × 25 mm frame fits the mounting holes. The fixed 20 cm lead may require an extension if the header sits far from the fan location.

Highlights

  • Double ball bearing for long service life
  • 4000 RPM airflow keeps components cool
  • 12 V 0.25 A draws little power
  • 3-pin connector fits standard motherboard headers
  • 20 cm cable reaches most chassis layouts

Specifications

No published specifications for this item yet.

Questions about this item

What does the 3-pin motherboard connector limit for this fan?

The 3-pin connector provides voltage control only, so speed varies with voltage but there is no PWM signal for precise duty-cycle regulation.

What clearance does the 80 × 80 × 25 mm frame need to fit?

It requires an 80 mm square mounting hole pattern and 25 mm depth behind the panel, matching standard 8025 case-fan cut-outs.

How is the fan wired, and which lead is often missed?

Connect the three leads — 12 V, ground and tachometer — to the motherboard header; the third wire enables RPM monitoring and alarms, which is the step most often omitted.

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