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Black 90mm square case fan with transparent blades and 3-pin connector

BGears

BGears b-Blaster 90 90mm 3500 RPM 78 CFM 39 dBA 3-pin case fan

SKU CH-4BPR-S3CMA MPN b-Blaster 90

90 mm dual-ball-bearing case fan spinning at 3500 RPM for 78 CFM airflow at 39 dBA with 3-pin connector and Molex adapter included

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size90mm
  • Fan Thickness25mm
  • High airflow of 78 CFM at 3500 RPM
  • Low noise output of 39 dBA under load
  • Dual ball bearing design for extended lifespan
  • 90 mm frame fits standard case mounts
  • 3-pin connector with included Molex adapter

90mm high-speed case fan

The BGears b-Blaster 90 is a 90mm case fan built for high airflow in tight spaces. It spins at 3500 RPM to move up to 78 CFM while producing 39 dBA of noise. A dual ball-bearing design supports extended life and consistent performance. The 3-pin connector provides a speed signal to the motherboard.

Suits compact builds needing strong airflow

This fan fits 90mm mounts in cases, power supplies or CPU heatsinks where maximum air movement matters more than silence. The included 3-to-4-pin Molex adapter allows direct connection to a power supply. It is not suited for builders who require PWM control via a 4-pin header or mounts larger than 90mm.

3500 RPM airflow rating

At 3500 RPM the fan delivers its rated 78 CFM, which determines whether it can meet the cooling demand of a given component or chassis. The 39 dBA noise level at that speed is the trade-off to evaluate against acoustic targets.

Points forts

  • High airflow of 78 CFM at 3500 RPM
  • Low noise output of 39 dBA under load
  • Dual ball bearing design for extended lifespan
  • 90 mm frame fits standard case mounts
  • 3-pin connector with included Molex adapter

Caractéristiques

BrandBgears
Modelb-Blaster 90
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
CompatibilityCase
Fan Size90mm
Fan Thickness25mm
Bearing Type2 Ball
RPM3500 RPM
Air Flow78 CFM
Noise Level39 dBA
Power Connector3 Pin
ColorBlack
Features2 Ball Bearing fan for Extended Life and High Performance
Extreme Speed with Excellent Airflow
Ideal for PC CASE, POWER SUPPLY and CPU heatsink
3 pin 3 lead wire connector with Fan Speed signal output
Includes 3 to 4 pin Molex adapter for direct connect to Power Supply
4 Screws included
Voltage(V): 12
Current(A): 0.5
Power(W): 6
Pressure(mmH20): 5.50
Dimensions90 x 90 x 25 mm
Poids d’expédition0.14 kg
Dimensions du colis204 × 144 × 38 mm

Questions sur cet article

How do I install the b-Blaster 90 in my case, and what step is often missed?

Mount the 90 mm frame with four screws, then plug the 3-pin header into the motherboard or use the included 3-to-4 pin Molex adapter for direct PSU power; the step often missed is connecting the third wire so the board can read the 3500 RPM speed signal.

What maintenance or replacement will this fan need over time?

The dual ball-bearing design is rated for extended life, but after years of continuous 3500 RPM operation the bearings can wear; expect to replace the whole 90 mm unit when noise rises above the specified 39 dBA or airflow drops below 78 CFM.

What limit appears first when the fan runs at full speed for long periods?

At the fixed 3500 RPM the motor hits its acoustic ceiling of 39 dBA before thermal throttling becomes an issue, so sustained noise is the first practical limit you will notice.

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