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Small square 4.5 cm case fan with black frame and transparent blades

CAFELE

CAFELE GB1245PKVX-8 4.5CM case fan 12V 1.2W

SKU CH-P1RH-9VQ06 MPN GB1245PKVX-8

A 4.5 cm VAPO-bearing case fan running at 3300 RPM with 16 dBA noise and 0.24 inch H2O pressure

  • TypeCPU Cooler Fan
  • Fits Optoma HD20, HD23 and GT750 projectors
  • 45 × 45 × 20 mm compact frame suits tight chassis
  • 12 V, 1.2 W power draw keeps load low
  • VAPO bearing rated for quiet 16 dBA operation
  • 3300 RPM delivers 0.24 inch H2O static pressure

Replacement for Optoma projectors

This 4.5 cm fan fits Optoma HD20, HD23 and GT750 models as a direct CPU cooler replacement. It operates at 12 V and draws 1.2 W, matching the original electrical requirements. The VAPO bearing is designed for quiet, long-life operation in a compact 45 x 45 x 20 mm frame.

When to choose this fan

The unit replaces a worn or noisy original blower in the listed projectors. The swap is worth it when the existing fan reaches 3300 RPM but produces audible bearing noise or reduced airflow. It restores the factory cooling profile without modifying the chassis or wiring harness.

Sustained load behaviour

At full speed the fan delivers 0.24 inch H2O static pressure while emitting 16 dBA, figures measured under continuous operation. The VAPO bearing maintains consistent rotational stability during extended projection sessions. Thermal throttling of the projector processor is avoided because airflow remains steady over time.

Highlights

  • Fits Optoma HD20, HD23 and GT750 projectors
  • 45 × 45 × 20 mm compact frame suits tight chassis
  • 12 V, 1.2 W power draw keeps load low
  • VAPO bearing rated for quiet 16 dBA operation
  • 3300 RPM delivers 0.24 inch H2O static pressure

Specifications

TypeCPU Cooler Fan

Questions about this item

Will the 45 by 45 by 20 mm frame fit the Optoma HD20, HD23 or GT750 projector?

Yes, the fan is listed as a direct replacement for those Optoma models and the 45 by 45 by 20 mm dimensions match the original cooler slot.

How do I connect the 12 V, 1.2 W fan to the projector's power header?

Plug the two-wire lead into the existing 12 V fan header; the VAPO bearing runs at 3300 RPM and 16 d-BA once powered.

When will the VAPO bearing need replacement?

The bearing is rated for continuous 3300 RPM operation; expect several years of 24/7 use before noise or speed drop signals a swap.

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