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Small black frameless 37mm case fan with three mounting holes in a triangle and a two-pin power lead

SXDOOL

SXDOOL ARX FS1240-A1042A 37mm 2-pin case fan

SKU CH-PX0R-KWEPD

A 37 mm frameless graphics-card cooler with 26 mm triangular mounting holes, 12 V .13 A draw and a 2-pin 2.5 mm connector

  • Power input connector2 Pin
  • LED lightingNon-LED
  • Product colorBlack
  • Ultra-compact 37 mm fan fits tight GPU spaces
  • 2-pin 12 V 0.13 A connector powers directly from graphics card
  • Frameless design with 26 mm triangular mounting holes suits custom coolers
  • Non-LED black finish keeps builds clean and distraction-free
  • Low 0.13 A draw adds cooling without stressing the power circuit

37 mm frameless fan for tight GPU coolers

The SXDOOL ARX FS1240-A1042A is a 37 mm diameter frameless case fan designed for graphics card coolers and other space-constrained spots. It runs on 12 V at 0.13 A through a 2-pin power connector. The compact footprint suits builders refreshing or repairing small-form-factor video cards.

Triangular 26 mm mounting with 2.5 mm pitch pins

Three mounting holes sit on a 26 mm by 26 mm by 20 mm isosceles triangle, so the fan aligns with many reference cooler shrouds. The 2-wire 2-pin interface uses a 2.5 mm pitch header, delivering power without PWM speed reporting. Black non-LED blades keep the look neutral inside any build.

Low current draw suits passive-heatsink airflow

At 0.13 A the motor adds minimal load to a 12 V rail, making it practical for supplemental airflow over VRM or memory heatsinks. The frameless design lets blades sit close to fin stacks for focused cooling. Expect quiet operation at the low speed this current implies.

How it compares

Measured against everything we stock in PC Cooling Fans, at today’s prices. Recalculated every night.

Price $15.99
Cheaper than about 63% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product colorBlack
Power
Power input connector2 Pin
More details
LED lightingNon-LED

Questions about this item

What does the 2-pin 2.5 mm interface mean for speed control?

The 2-pin 2.5 mm connector supplies fixed 12 V power, so the fan runs at full speed continuously with no PWM or voltage regulation.

Will the 26 mm triangular hole pattern fit my graphics card heatsink?

Mounting holes form an isosceles triangle with 26 mm and 20 mm sides; measure your heatsink to confirm the same spacing before installing.

How do I connect the two wires without reversing polarity?

Match the red wire to the 12 V pin and the black wire to ground on the 2.5 mm header; reversing them will prevent the fan from spinning.

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