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Small square frameless case fan with two-wire connector

SXDOOL

SXDOOL FS1280-A1842C 12V 75mm 40mm 2-wire case fan

SKU CH-KFQ1-R1ACM MPN FS1280-A1842C

A frameless 12 V case fan with a 75 mm diameter and 40 mm mounting centres, drawing 0.28 A through a two-pin connector

  • Power Connector2 Pin
  • Runs on standard 12V supply for easy integration
  • Low 0.28A draw keeps power use minimal
  • 75mm diameter fits tight server chassis spaces
  • 40mm hole spacing matches common mounting patterns
  • Two-wire 2-pin connector simplifies installation

Compact 12 V frameless fan

The SXDOOL FS1280-A1842C is a 75 mm diameter frameless case fan that runs on 12 V DC and draws 0.28 A. Its two-wire 2-pin connector provides simple power without speed reporting or PWM control. The unit suits tight server or appliance chassis where a low-profile cooling device is required.

Two-wire 2-pin power interface

The 2-pin plug delivers fixed-voltage operation, so the fan spins at a constant rate determined by the 12 V rail. No tachometer signal or PWM input is present, preventing motherboard fan-curve management or RPM monitoring. Builders needing variable speed or fan-fail alerts must use a different connector style.

75 mm diameter with 40 mm mounting centres

The 75 mm frame and 40 mm centre-to-centre holes fit compact brackets in 1U servers, network appliances or small-form-factor enclosures. At 0.28 A the current draw is modest, leaving headroom on a shared 12 V rail. The fixed-speed design offers no acoustic adjustment, so noise-sensitive deployments should verify suitability before installation.

Highlights

  • Runs on standard 12V supply for easy integration
  • Low 0.28A draw keeps power use minimal
  • 75mm diameter fits tight server chassis spaces
  • 40mm hole spacing matches common mounting patterns
  • Two-wire 2-pin connector simplifies installation

Specifications

Power Connector2 Pin

Questions about this item

Should I pick this 75 mm frameless fan or a different size for my server chassis?

Choose the 75 mm diameter model when the mounting centres are 40 mm; other diameters will not align with the same screw pattern.

What does the 12 V 0.28 A rating tell me about airflow once installed?

The fan draws 0.28 A at 12 V, so its speed and resulting airflow are fixed by that power level; actual cooling depends on case restriction and orientation.

How does the 2-pin connector limit control compared to a 4-pin header?

A 2-pin plug supplies constant 12 V only; the motherboard cannot vary voltage or send PWM signals, so the fan runs at a single fixed speed.

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