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120mm square black frame case fan with transparent blades

Fans

Fans D12SM-12 120mm 25mm 12V case fan

SKU CH-3X2D-2XXNB

A 120 mm square case fan with a 25 mm profile running on 12 V for quiet cooling

  • 12V power supply fan runs ultra-quiet
  • 120mm by 120mm frame fits standard 12cm mounts
  • 25mm thickness suits typical case and PSU slots
  • New condition ensures full rated lifespan

12V 120mm Case Fan D12SM-12

This 120mm case fan operates on a standard 12V supply and measures 25mm thick. It is built for PC builders who need a direct replacement for a noisy or failed chassis fan. The ultra-quiet design targets systems where low acoustic output is a priority over maximum airflow.

Simple Screw Mount Installation

The fan uses four corner screw holes compatible with standard 120mm mounting points in cases or on radiators. Installation takes minutes with a Phillips screwdriver. Builders sometimes connect the two-pin power lead to a three or four-pin motherboard header without checking pin alignment, which leaves the fan dead on arrival. Verify the connector orientation before powering on.

Highlights

  • 12V power supply fan runs ultra-quiet
  • 120mm by 120mm frame fits standard 12cm mounts
  • 25mm thickness suits typical case and PSU slots
  • New condition ensures full rated lifespan

Specifications

No published specifications for this item yet.

Questions about this item

How can I confirm the 12V fan is spinning correctly after installation?

Connect the fan to a 12V header, power on the system and visually verify the blades rotate smoothly without wobble or unusual noise.

What comes in the box with the D12SM-12 and what must I supply myself?

The box contains the 120mm x 25mm fan unit only; you must provide mounting screws and a compatible 12V power header or adapter.

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