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Small black 40 by 28 mm 4-pin ball-bearing case fan

Zyvpee

Zyvpee PMD1204PQBX-A 40×28 mm 4-pin 12 V 8.0 W ball-bearing case fan

SKU CH-KXN1-GMAYE

Compact 40 × 28 mm ball-bearing case fan with 4-pin PWM control, 12 V 8.0 W rating and 2500-2999 RPM for server or inverter cooling

  • Bearing designBall
  • Rotational speed2500-2,999 RPM
  • Power input connector4 Pin
  • LED lightingNon-LED
  • Product typeCase Fan
  • Compatible withCPU Cooler
  • Compact 40 × 28 mm frame fits tight server chassis
  • Ball-bearing motor runs 2500–2999 RPM for steady airflow
  • 4-pin PWM connector enables precise speed control
  • 12 V 8.0 W draw balances cooling with low power use
  • Designed for inverter, switch and CPU cooler applications

Compact 40 × 28 mm server fan

The Zyvpee PMD1204PQBX-A is a 40 mm square, 28 mm thick case fan designed for tight spaces inside inverters, servers, switches or CPU coolers. It targets system builders who need focused airflow in compact 1U or blade chassis where larger fans cannot fit.

Ball-bearing motor with PWM control

A dual-ball bearing supports the 12 V, 8.0 W motor for longer life in continuous-duty environments. The 4-pin connector supplies PWM speed control and tachometer feedback, letting the motherboard or fan controller adjust speed between 2500 and 2999 RPM without voltage-mode limitations.

8.0 W power draw at 12 V

The 8.0 W rating defines the current budget and thermal load the fan places on the 12 V rail. Builders must verify their fan header or controller can supply this wattage; systems limited to lower-power headers will need a different model.

How it compares

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

Price $24.99
Pricier than about 63% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand nameZyvpee
Product linePMD1204PQBX-A B2448.F.GN
Model namePMD1204PQBX-A
Product typeCase Fan
Product colorBlack
Performance
Rotational speed2500-2,999 RPM
Power
Power input connector4 Pin
Size & build
Bearing designBall
Product dimensions40 × 28MM
Compatibility
Compatible withCPU Cooler
More details
LED lightingNon-LED

Questions about this item

What 4-pin standard does the PMD1204PQBX-A use and what does it control?

The fan uses a standard PWM 4-pin connector that carries 12 V power plus a speed-control signal, letting the motherboard regulate RPM between 2500 and 2999 RPM.

What clearance does the 40 mm × 28 mm frame need to mount?

The housing measures 40 mm square by 28 mm thick, so you need a 40 mm fan cut-out and at least 28 mm depth behind the mounting surface.

How is the fan installed and which step is often missed?

Align the four screw holes, secure with M3 screws, then plug the 4-pin header into the motherboard PWM header; the step often missed is connecting that fourth wire so speed control actually works.

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