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Small black 40mm square case fan with 2-pin connector and ball bearing

Zyvpee

Zyvpee KD1204PFB2 40mm 12V .6W 2-pin case fan

SKU CH-YQE0-1M0B5

A 40×10 mm 12 V case fan with ball bearing, 2-pin connector and under 1600 RPM speed

  • Bearing designBall
  • Rotational speed<1,600 RPM
  • Power input connector2 Pin
  • LED lightingNon-LED
  • Product typeCase Fan
  • Compatible withCPU Cooler
  • Compact 40 mm frame fits tight chassis spaces
  • Ball bearing design extends operational lifespan
  • Low 0.6 W draw reduces system power load
  • 12 V two-pin connector simplifies installation
  • Sub-1600 RPM speed keeps noise levels down

Zyvpee KD1204PFB2 40mm 12V case fan

The Zyvpee KD1204PFB2 is a 40mm case fan designed for compact cooling tasks. It suits builders working on small-form-factor PCs, routers or network switches where space is tight. The unit runs on 12V power and draws .6W. Its black, non-LED frame keeps the look neutral inside any chassis.

Installing the KD1204PFB2 and common pitfalls

Mounting uses standard 40mm screw holes and a 2-pin power connector. The 10mm thickness fits most slim brackets but can foul taller VRM heatsinks if clearance is not checked first. Ball bearings keep noise low at speeds below 1600 RPM. Incorrect pin alignment is the main cause of start-up failure.

Who should buy this fan and who should not

This fan fits users needing a 40mm replacement for CPU coolers or networking gear with a 2-pin header. Builders who need PWM speed control, higher static pressure or larger frame sizes should look elsewhere. It also does not suit cases that only accept 3-pin or 4-pin connectors.

How it compares

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

Price $23.99
Pricier than about 60% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand nameZyvpee
Product lineKD1204PFB2
Model nameKD1204PFB2
Product typeCase Fan
Product colorBlack
Performance
Rotational speed<1,600 RPM
Power
Power input connector2 Pin
Size & build
Bearing designBall
Product dimensions40 × 10 mm
Compatibility
Compatible withCPU Cooler
More details
LED lightingNon-LED

Questions about this item

How can I confirm the KD1204PFB2 is spinning correctly after installation?

Connect the 2-pin plug to a 12 V header and verify the blades rotate smoothly up to 1600 RPM without vibration or noise.

What comes in the box and what extra parts might I need?

The box contains the 40×10 mm black ball-bearing fan with its 2-wire lead; no screws, adapters or speed-control cables are included.

Which KD1204PFB2 variant should I choose for a standard 12 V case-fan header?

This single 12 V 0.6 W 2-pin model is the only version listed, so it matches any 12 V two-pin header directly.

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