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Square 30 mm fan, slim black frame, three-pin connector

SXDOOL

SXDOOL gm0503peb1-8 30mm case fan 5V 8500 rpm 26 dBA 3-pin

SKU CH-5QC9-H85XA MPN gm0503peb1-8

30 mm case fan running at 8500 rpm with 26 dBA noise on a 5 V 3-pin connector

  • Fan size30 mm
  • Compact 30 mm frame fits tight laptop or small-form-factor builds
  • Ball-bearing design rated for 100000 hours of continuous operation
  • 8500 rpm delivers 4.2 CFM airflow for focused component cooling
  • Low 26 dBA noise level keeps systems quiet under load
  • 5 V DC input with 3-pin 1.25 mm connector for straightforward installation

Compact 30 mm 5 V fan

This 30 mm square fan runs on 5 V and draws 0.6 W. It spins at 8500 rpm to deliver 4.2 CFM of airflow. The unit suits tight spaces such as laptop chassis, small-form-factor PCs or embedded boards where a slim profile is required.

Ball-bearing build with 1.25 mm 3-pin plug

A ball bearing supports the rotor for a rated 100000 hours of continuous operation. The original 1.25 mm three-pin connector fits compatible headers without adapters. Its 30 x 30 x 6 mm frame slides into narrow slots where larger fans cannot be mounted.

Low noise and modest static pressure

At full speed the fan produces 26 dBA while generating 0.12 inch-H₂O of static pressure. The 5 V supply and 0.6 W draw keep power demand minimal for portable or fanless-adjacent builds. It operates reliably across a 3 V to 6 V range for speed control flexibility.

How it compares

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

Price $7.99
Cheaper than about 93% of the 8,339 comparable items (median $19.99).
Fan size 30 mm
Lower than about 97% of the 1,114 comparable items (median 120 mm).

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Specifications

Size & build
Fan size30 mm

Questions about this item

What does the 1.25 mm 3-pin connector mean for motherboard compatibility?

The fan uses a proprietary 1.25 mm 3-pin plug, so it will not fit standard 4-pin PWM or 3-pin headers without an adapter.

Will the 30 mm by 30 mm by 6 mm frame fit in my laptop or small-form-factor case?

The slim 30x30x6 mm housing is designed for tight spaces such as laptop chassis, miniature PCs or embedded boards.

How do I install the fan correctly and what is the common wiring mistake?

Connect the 1.25 mm 3-pin plug to a matching header or adapter, observing polarity; reversing the leads will prevent the fan from spinning.

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