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Small black 40 by 20 mm case fan with two wires

Zyvpee

Zyvpee GM1204PKBX-8A 40x20mm 12V 2.4W 2-pin case fan

SKU CH-YZXY-RYHHA

Compact 40×20 mm 12 V case fan with ball bearing running under 1600 RPM for CPU or router cooling

  • 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 ensures durable low-friction operation
  • 12 V 2.4 W draw keeps power use minimal
  • Sub-1600 RPM speed limits acoustic output
  • Two-pin connector simplifies motherboard installation

Compact 40 mm ball-bearing fan

The Zyvpee GM1204PKBX-8A is a 40 mm by 20 mm case fan designed for tight spaces such as router enclosures or small CPU coolers. It runs on 12 V and draws 2.4 W through a simple two-pin connector. The black frame carries no lighting.

1600 RPM maximum speed

The fan spins below 1600 RPM, a figure that determines whether airflow meets the cooling target. Ball bearings provide durability at this speed range. No PWM control or speed signal is present on the two-wire lead.

Suits low-profile builds needing basic airflow

Builders who need variable speed control, higher static pressure or larger frame sizes should look elsewhere. The two-pin design also limits motherboard fan-curve management.

How it compares

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Price $20.99
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Specifications

Product
Brand nameZyvpee
Product lineGM1204PKBX-8A
Model nameGM1204PKBX-8A
Product typeCase Fan
Product colorBlack
Performance
Rotational speed<1,600 RPM
Power
Power input connector2 Pin
Size & build
Bearing designBall
Product dimensions40 × 20MM
Compatibility
Compatible withCPU Cooler
More details
LED lightingNon-LED

Questions about this item

What airflow can I expect from a 40 mm fan running under 1600 RPM in a tight router chassis?

The 40×20 mm frame moves a modest volume of air at up to 1600 RPM, enough for spot-cooling a CPU heatsink or router switch but not for case-wide airflow.

What does the 2-pin 12 V connection mean for speed control on a typical motherboard or router header?

The 2-pin plug supplies fixed 12 V power, so the fan runs at full speed constantly; no PWM or voltage regulation is possible from the header.

Will the 40×20 mm frame with ball bearing mount in a standard 40 mm screw pattern?

Yes, the 40 mm square frame matches the common 40 mm mounting holes, and the 20 mm thickness fits most slim router and CPU cooler brackets.

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