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Square black 140mm case fan with thick 38mm frame and four mounting holes

BGears

BGears b-Blaster 140x38 140mm 38mm 5200 RPM 308 CFM case fan

SKU CH-KPJ5-R2024 MPN b-Blaster 140x38

A 140 mm thick case fan spins at 5200 RPM to push 308 CFM through radiators or heatsinks at 70 dBA

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • CompatibilityCase
  • Fan Size140mm
  • Fan Thickness38mm
  • High airflow of 308 CFM cools demanding components
  • 5200 RPM speed delivers extreme cooling performance
  • Dual ball bearing design extends operational lifespan
  • 38 mm thick frame fits specialised mounting locations
  • PWM 4-pin control enables precise speed management

High-Speed 140mm Case Fan

The BGears b-Blaster 140x38 is a 140mm case fan built for systems that demand maximum airflow. It suits builders fitting high-performance PCs, power-supply replacements or CPU heatsinks where static pressure matters. The 38mm thickness requires a mounting location with extra clearance.

308 CFM at 5200 RPM

Dual ball bearings support the 5200 RPM operating speed that delivers 308 CFM of airflow. That volume clears heat quickly from dense radiator stacks or restricted chassis layouts. The trade-off is a 70 dBA noise level at full speed, so the fan is best used where cooling performance outweighs acoustic comfort.

4-Pin PWM Control

A 4-pin PWM connector lets the motherboard or fan controller vary speed automatically based on temperature. This provides headroom to reduce noise under light loads while retaining the 5200 RPM ceiling for heavy workloads. Four mounting screws are included for installation.

Points forts

  • High airflow of 308 CFM cools demanding components
  • 5200 RPM speed delivers extreme cooling performance
  • Dual ball bearing design extends operational lifespan
  • 38 mm thick frame fits specialised mounting locations
  • PWM 4-pin control enables precise speed management

Caractéristiques

BrandBgears
Seriesb-blaster Series
Modelb-Blaster 140x38
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
CompatibilityCase
Fan Size140mm
Fan Thickness38mm
Bearing Type2 Ball
RPM5200 RPM
Air Flow308 CFM
Noise Level70 dBA
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
4 Screws included
Dimensions140.00 x 140.00 x 38.00 mm
Poids d’expédition0.48 kg
Dimensions du colis171 × 152 × 44 mm

Questions sur cet article

Will the 38 mm thickness and 140 mm frame fit my existing 140 mm mounting holes without blocking nearby components?

The frame measures 140.00 x 140.00 x 38.00 mm, so it uses standard 140 mm screw spacing but is 38 mm thick — verify clearance against your side panel, radiator or cable routing before installing.

How can I confirm the fan is running at its rated 5200 RPM once installed?

Connect the 4-pin PWM header to your motherboard or fan controller, then monitor the reported speed in BIOS or a hardware-monitoring utility; it should read close to 5200 RPM at full duty cycle.

Does the package include mounting screws or do I need to source them separately?

Four screws are included in the box, so no separate fastener purchase is required for a standard case installation.

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