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Square 120 mm case fan with iridescent rainbow finish and multicolour LEDs

SXDOOL

SXDOOL 120mm Rainbow Iridescence Case Fan 3+4 Pin Hydraulic 1200 RPM

SKU CH-BNJF-75T72

A 120 mm hydraulic-bearing case fan with rainbow iridescent LEDs, 1200 RPM speed, 39.2 CFM airflow and 26.4 dBA noise

  • Bearing designHydraulic
  • Rotational speed<1,600 RPM
  • Airflow rate35-40 CFM
  • Operating noise25–30 dBA
  • Power input connector3 / 4 Pin
  • LED lightingMulti-Color
  • Quiet cooling at 26.4 dBA noise level
  • 2 CFM airflow keeps components cool
  • Hydraulic bearing rated for 40,000 hours life
  • Rainbow iridescent LED lighting adds colour
  • 3-pin and 4-pin connectors fit most boards

Cooling Performance

This 120mm case fan delivers 39.2 CFM airflow at 1200 RPM while producing only 26.4 dBA of noise. It comfortably handles standard chassis cooling for mainstream builds. The hydraulic bearing supports a 40,000-hour lifespan under continuous operation. It runs out of headroom in high-restriction radiators or densely filtered enclosures where static pressure becomes critical.

Dual Connector Flexibility

The fan includes both 3-pin and large 4-pin power connectors for direct motherboard or fan-controller attachment. This dual interface simplifies cable routing in tight cases and works with voltage or PWM control schemes. Builders who need daisy-chained fan hubs or software-addressable RGB headers will find this model lacks those specific connections.

Hydraulic Bearing Durability

Two hydraulic bearings reduce friction and extend service life to the rated 40,000 hours. The multicolour LED illumination runs from the same 12 V 0.28 A supply without extra cables. The 25 mm thickness fits standard 120 mm mounting points in most towers. Users seeking silent operation below 20 dBA or industrial-grade ball-bearing longevity should look elsewhere.

How it compares

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

Price $8.99
Cheaper than about 92% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Product typeCase Fan
Product colorMulticolor
Performance
Rotational speed<1,600 RPM
Airflow rate35-40 CFM
Power
Power input connector3 / 4 Pin
Size & build
Bearing designHydraulic
Environment & compliance
Operating noise25–30 dBA
More details
LED lightingMulti-Color

Questions about this item

Will the 120mm frame and 3+4 pin connector fit my older motherboard headers and case mounts?

The fan measures 120x120x25 mm and includes both a 3-pin and a large 4-pin connector, matching standard 120 mm mounting holes and legacy 3-pin headers.

How do I verify the 1200 RPM speed and 26.4 dBA noise level are running correctly after install?

Check the fan RPM in BIOS or monitoring software — it should read 1200 RPM ±10 % — and confirm the system reports a noise value near 26.4 dBA under load.

Does the box include mounting screws or a fan hub, or must I buy them separately?

The supplied data lists only the fan itself — 120x120x25 mm, hydraulic bearing, 3+4 pin connectors — so screws or a hub would be separate purchases.

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