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Square black axial cooling fan with four wires and a four-pin connector

Vszerda

Vszerda THA0412AD 4020 Cooling Fan 12V 0.60A 20.6CFM 5.16W 4-Pin 40x40x20mm

SKU CH-8RNP-Z0DWD MPN THA0412AD

Axial 40 mm DC 12 V fan delivering 20.6 CFM at 5.16 W with a 4-pin connector

  • Axial design moves 20.6 CFM through tight spaces
  • 12 V DC input fits standard 12 V rails
  • 4-pin PWM header enables precise speed control
  • 40 × 40 × 20 mm footprint suits 4020 mount points
  • 16 W draw keeps power budget low

Compact 40 mm axial fan

The Vszerda THA0412AD is a 40x40x20 mm axial cooling fan designed for equipment that requires a 12 V DC supply. It delivers 20.6 CFM airflow at 5.16 W while drawing 0.60 A through a four-pin connector.

Suited for tight enclosures

This fan suits builders who need a low-profile 40 mm replacement with PWM-capable four-wire control. It is not for systems that demand larger frame sizes, higher static pressure, or voltage ratings other than 12 V.

Straightforward four-pin swap

Installation consists of aligning the standard 40 mm mounting holes and plugging the keyed four-pin header into the matching socket. The most common issue is reversed polarity or an obstructed intake that cuts airflow below the rated 20.6 CFM.

How it compares

Measured against everything we stock in Tech Gadgets & Accessories, at today’s prices. Recalculated every night.

Price $20.99
Cheaper than about 58% of the 5,998 comparable items (median $24.99).

Specifications

No published specifications for this item yet.

Questions about this item

What power supply do I need to run the 12V 0.60A fan?

A DC 12V source capable of at least 0.60A, such as a standard PC 12V rail or a 12V AC adapter rated for 1A or more.

Will the 4-pin connector fit a 3-pin motherboard header?

Yes, the 4-pin plug fits a 3-pin header; the fourth wire for PWM control simply remains unused and the fan runs at full speed.

How can I confirm the fan is delivering its rated 20.6CFM after installation?

Check that the tachometer signal reports a steady RPM in BIOS or monitoring software and feel strong, consistent airflow from the 40x40mm frame.

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