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Small black square frame with transparent blades and three wires

Sunon

Sunon MB40101V2-000U-G99 40mm DIY Cooling Fan

SKU CH-59S3-2KVWF

A 40 mm square, 10 mm thick DC 12 V fan delivering 7 CFM at 5800 RPM with a 27 dBA noise rating and a 3‑pin tach output

  • Compact 40×40×10 mm frame fits tight builds
  • 5800 RPM delivers 7 CFM airflow for focused cooling
  • Vapo bearing runs at 27 dBA for quiet operation
  • 3-pin tach output enables precise speed monitoring

Compact 12 V 40 mm fan for tight builds

The Sunon MB40101V2-000U-G99 is a 40 x 40 x 10 mm DC 12 V fan that draws 0.18 A and 0.9 W at 5800 RPM. It delivers 7 CFM airflow at 27 dBA using a Vapo bearing, making it suitable for small-form-factor cases or replacement cooling where space is limited.

Tach output and 3-pin lead simplify monitoring

A built-in speed sensor provides tachometer feedback through the 3-pin 11.5-inch connector, allowing the motherboard or controller to report real-time RPM. No additional accessories or software are included, so builders needing PWM control or longer cables must source them separately.

Highlights

  • Compact 40×40×10 mm frame fits tight builds
  • 5800 RPM delivers 7 CFM airflow for focused cooling
  • Vapo bearing runs at 27 dBA for quiet operation
  • 3-pin tach output enables precise speed monitoring

Specifications

No published specifications for this item yet.

Questions about this item

Does the Vapo bearing require periodic lubrication or replacement?

The Vapo bearing is a sealed design that does not need lubrication; it is rated for continuous operation without scheduled maintenance.

Will the 27 dBA noise level rise noticeably when the fan runs at its 5800 RPM maximum for long periods?

The 27 dBA figure is measured at the rated 5800 RPM, so sustained full-speed operation stays at that acoustic level.

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