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Small square 4020 12V silent fan with speed measurement wire

TSUJ

TSUJ 4020 12V Speed Measurement Silent Fan JPD0402012MA3A11

SKU CH-VYVQ-WFJC3

A 4cm 12V silent fan with speed measurement for computer cabinets

  • Key features4 cm 4020 12 V Speed Measurement Silent Fan JPD0402012MA3A11
  • 12 V operation powers the fan directly from a standard PC supply
  • 4020 frame fits compact cabinet and power-supply cut-outs
  • Speed measurement output lets the system monitor RPM in real time
  • Silent running keeps acoustic noise low during operation

TSUJ 4020 12V silent fan for computer cabinets

This 4cm 4020 fan runs on 12V power and includes speed measurement for monitoring. It is designed for quiet operation inside computer cabinets and power supply units. The compact frame suits tight spaces where airflow must be maintained without added noise.

Upgrades older fixed-speed fans that lack speed

The jump is worth it when a build needs real-time RPM data for thermal control or when silence is a priority in a confined cabinet. Buyers who need larger frame sizes or higher voltage ratings should look elsewhere.

How it compares

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

Price $12.99
Cheaper than about 75% of the 302 comparable items (median $31.99).

Specifications

Product
Brand nameTSUJ
Part numberKepler-C72J-OYS-0095

Questions about this item

What mounting pattern does the 4020 frame use?

The 4020 frame follows the standard 40 mm square fan mounting pattern used in computer cabinets and power supply units.

Which wire carries the speed measurement signal during installation?

The third wire on the 12 V connector provides the speed measurement signal; connect it to the motherboard or controller header marked for tachometer input.

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