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Small black 30mm square case fan with hydro bearing

SXDOOL

SXDOOL GM0503PHV1-8 30mm case fan 8500 RPM 6.0 CFM 27 dBA

SKU CH-MK2V-4KW02 MPN GM0503PHV1-8

A 30 mm hydro-bearing case fan spinning at 8500 RPM for 6.0 CFM airflow at 27 dBA

  • Fan size30 mm
  • Bearing designHydro Bearing
  • Rotational speed>7,000 RPM
  • Airflow rate5-10 CFM
  • Operating noise25–30 dBA
  • LED lightingNon-LED
  • Compact 30 mm footprint fits tight builds
  • Hydro bearing runs at 27 dBA for quiet operation
  • 8500 RPM delivers 6.0 CFM of focused airflow
  • 5 V 0.6 W motor keeps power draw low
  • Three-wire lead enables speed monitoring

Compact 30 mm case fan for tight builds

The SXDOOL GM0503PHV1-8 is a 30 mm square axial fan designed for small-form-factor chassis, GPU shrouds or industrial enclosures where space is at a premium. It runs on a 5 V supply drawing 0.12 A and uses a hydrodynamic bearing for smooth rotation.

Thermals and acoustics in daily use

At the rated 8500 RPM the fan moves 6.0 CFM while producing 27 dBA, staying within the 25–30 dBA range quoted for normal operation. The 0.6 W power draw keeps heat contribution minimal inside cramped volumes.

Upgrade path and when it matters

This unit replaces older 3015-size sleeve-bearing fans that have become noisy or seized, restoring airflow without changing mounting holes. The jump is worthwhile when the existing fan exceeds 30 dBA or can no longer sustain 7000 RPM under load.

How it compares

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

Price $9.99
Cheaper than about 91% 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

Product
Product typeCase Fan
Product colorBlack
Performance
Rotational speed>7,000 RPM
Airflow rate5-10 CFM
Size & build
Fan size30 mm
Bearing designHydro Bearing
Environment & compliance
Operating noise25–30 dBA
More details
LED lightingNon-LED

Questions about this item

How do I install the 30mm fan with its 3-wire lead, and what step is often missed?

Mount the 30*30*15mm frame using the four corner holes, connect the 3-wire lead to a 5V header matching the .12A draw, and ensure the tachometer wire is seated so the motherboard reads the 8500 RPM signal.

What maintenance or replacement will the hydro bearing need later?

The hydro bearing is sealed and not user-serviceable; plan to replace the fan once noise rises above the rated 27 dBA or airflow drops below 6.0 CFM, typically after several years of continuous 8500 RPM operation.

At what point does the 27 dBA noise limit become noticeable under sustained load?

At the rated 8500 RPM the fan produces 27 dBA; sustained operation at or above this speed makes the noise floor the first limiting factor in quiet builds, especially when multiple units run together.

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