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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.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $32.99
Pricier than about 80% of the 8,339 comparable items (median $19.99).

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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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