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Small black 40 mm square server fan with centre label

Ruth's sister

Ruth's sister International Power Cord 4028 12V 1.1A 22000rpm

SKU CH-SP41-4DHCF

40 mm square PWM server fan running at 22 000 rpm on 12 V with 1.1 A draw

  • High-speed cooling at 22000 rpm
  • PWM control for precise 12 V fan regulation
  • Compact 40 mm square frame fits tight server bays
  • 1 A draw balances airflow with power efficiency

4028 PWM server fan 12V 1.1A

This 40 mm square fan runs on 12 V and draws 1.1 A. The PWM control allows speed regulation up to 22000 rpm. It fits server and workstation chassis that accept a 4028 form factor. Builders needing high airflow in a compact slot will find it suitable.

Check 40 mm mounting and 12 V PWM header

Verify that your chassis has the 40 mm by 40 mm mounting pattern with 28 mm depth clearance. Confirm the motherboard or fan controller provides a 12 V PWM header for speed control. Ensure the connector matches the fan lead before ordering.

How it compares

Measured against everything we stock in Worldwide Power Cords, at today’s prices. Recalculated every night.

Price $13.99
Pricier than about 90% of the 1,208 comparable items (median $9.99).

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Specifications

No published specifications for this item yet.

Questions about this item

Does the box include only the 4028 fan or are mounting screws and a PWM cable supplied separately?

The package contains the AVC DBTD0428B2F 4028 PWM 12V 1.1A 22000rpm Server fan 4cm 40mm*40mm*28mm unit only; mounting hardware and cables are not included.

Should I choose the 12 V 1.1 A 22000 rpm version or is a lower-speed variant available for quieter operation?

Only the 12 V 1.1 A 22000 rpm model is offered; no alternative speed or voltage versions are listed for this 4028 fan.

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