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Black 80mm square case fan 20mm thick with 3-pin connector

SXDOOL

SXDOOL ADDA AD0812UX-C73 80mm 12V .40A 3-pin case fan

SKU CH-N0QT-MJC6X

80 mm 12 V hydro-bearing case fan rated 4000–4499 RPM with 180000-hour continuous-operation life

  • Fan size80 mm
  • Bearing designHydro Bearing
  • Rotational speed4000-4,499 RPM
  • Power input connector3 Pin
  • Product typeCPU Cooler Fan
  • Product colorBlack
  • Hydro bearing runs quietly at 4000-4499 RPM
  • Double ball bearings rated for 180000 hours continuous use
  • 12V .40A draw keeps power consumption low
  • 80mm x 80mm x 20mm fits standard 8020 mounts
  • 3-pin connector enables motherboard speed control

80mm 12V server-grade case fan

The SXDOOL ADDA AD0812UX-C73 is an 80mm square frame fan built for continuous server and inverter cooling. It runs on 12V DC at .40A and connects through a standard 3-pin power header. The hydro bearing is rated for 180000 hours of optimal continuous operation.

Replaces worn 8020 fans in tight enclosures

This unit fits the 80x80x20mm footprint used by many legacy servers and industrial chassis. The jump is worthwhile when the original fan has seized or slowed below 4000 RPM, restoring rated airflow without modifying mounting holes or wiring.

3-pin voltage control limits speed precision

The 3-wire interface adjusts speed by varying voltage rather than PWM duty cycle. This means the motherboard or controller cannot command exact RPM targets between 4000 and 4499 RPM, and the fan will always spin whenever power is present.

How it compares

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

Price $13.99
Cheaper than about 70% of the 8,339 comparable items (median $19.99).
Fan size 80 mm
Lower than about 75% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Brand nameADDA
Product lineAD0812UX
Model nameAD0812UX-C73
Product typeCPU Cooler Fan
Product colorBlack
Performance
Rotational speed4000-4,499 RPM
Power
Power input connector3 Pin
Size & build
Fan size80 mm
Bearing designHydro Bearing
Product dimensions80 mm × 80 mm × 20 mm
In the box
In the box1 x fan
More details
LED lightingNo

Questions about this item

What size mounting holes does the 80mm ADDA AD0812UX-C73 need?

The fan measures 80mm x 80mm x 20mm, matching standard 80mm case mounts with four corner screw holes.

How do I connect the 3-pin connector on the AD0812UX-C73, and what mistake should I avoid?

Plug the 3-wire 3-pin interface into a motherboard 3-pin or 4-pin fan header; do not force it onto a 2-pin header or the tachometer wire will be left unconnected.

When will the double ball bearing in this fan need replacement?

The high-precision double ball bearing is rated for 180,000 hours of optimal continuous operation before wear requires a swap.

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