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Three black 40mm square cooling fans with four wires each

Ruth's sister

Ruth's sister 3pcs AVC 4028 12V 1A DBTB0428B2G 40*40*28mm Dual Ball Bearing 4-wire PWM internal power cable

SKU CH-XMQG-ZCPDD

Three 40 mm dual-ball-bearing PWM fans rated at 12 V 1 A for server cooling

  • 3-pack ensures spare cooling fans for server builds
  • 12 V 1 A rating matches standard server power rails
  • 40 × 40 × 28 mm frame fits common 4028 mount patterns
  • Dual ball bearing plus 4-wire PWM enables precise speed control

Three AVC 4028 12V PWM fans for server cooling

This set contains three AVC 4028 fans rated at 12V and 1A each. They use a 4-wire PWM connection for speed control and dual ball bearings for durability. The 40 by 40 by 28mm frame fits standard server fan mounts. They are sold new for internal cooling applications.

Sustained airflow with dual ball bearings

Dual ball bearings maintain consistent rotation during continuous high-speed operation. PWM control adjusts fan speed to match thermal load without sudden changes. The 1A current rating supports steady power delivery under load. This combination suits servers that run at high duty cycles for long periods.

Highlights

  • 3-pack ensures spare cooling fans for server builds
  • 12 V 1 A rating matches standard server power rails
  • 40 × 40 × 28 mm frame fits common 4028 mount patterns
  • Dual ball bearing plus 4-wire PWM enables precise speed control

Specifications

No published specifications for this item yet.

Questions about this item

How much current does the AVC 4028 12V 1A fan draw when running continuously?

Each fan is rated at 1 A on the 12 V rail, so three fans draw up to 3 A total under full load.

What motherboard header is required for the 4-wire PWM connector?

A standard 4-pin PWM fan header on the motherboard or fan controller provides both power and speed control.

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