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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.

How it compares

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

Price $9.99
Cheaper than about 91% of the 8,339 comparable items (median $19.99).

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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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