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Black 140mm square case fan 38mm thick non-LED four-pin PWM

BGears

BGears b-BlasterPWM 140x38 140mm 38mm case fan

SKU CH-MTAG-1EECZ MPN b-BlasterPWM 140x38

A 140 mm case fan with a 38 mm frame, PWM control, Japanese dual-ball bearings and a 1200–6500 RPM range delivering up to 398 CFM airflow

  • Fan Counts1 Fan
  • Fan ControllerNo Controller
  • TypeCase Fan
  • Fan Size140mm
  • Fan Thickness38mm
  • Bearing Type2 Ball (Japanese ball bearing)
  • PWM control delivers precise on-demand cooling from 1200 to 6500 RPM
  • Japanese 2-ball bearing ensures stability at high speed and extended lifespan
  • Massive airflow up to 398 CFM meets demanding thermal loads
  • 38 mm thick 140 mm frame fits high-static-pressure builds
  • 70000-hour MTBF rated for long-term reliability

High-speed 140 mm case fan

The BGears b-BlasterPWM 140x38 is a single 140 mm case fan built for systems that need a wide speed range. Its 1200 to 6500 RPM span lets the PWM curve match cooling demand precisely. Japanese dual-ball bearings support the high rotational speeds. The unit suits builders who want strong airflow without LED lighting.

Sustained-load airflow and pressure

At the top of its range the fan moves up to 398 CFM and develops 37.03 mmH2O static pressure. The 38 mm thickness helps maintain that pressure through restrictive radiators or dense mesh. Noise reaches 67.8 dBA at maximum speed, so the curve should be tuned for the workload. MTBF is rated at 70000 hours for continuous operation.

38 mm thickness constraint

The 38 mm frame depth decides whether the fan fits your chassis or radiator stack. Standard 25 mm mounts will not accept it. Buyers with slim cases or tight clearance above the motherboard should verify spacing before ordering. The four-pin mini connector provides standard PWM control.

Pluspunten

  • PWM control delivers precise on-demand cooling from 1200 to 6500 RPM
  • Japanese 2-ball bearing ensures stability at high speed and extended lifespan
  • Massive airflow up to 398 CFM meets demanding thermal loads
  • 38 mm thick 140 mm frame fits high-static-pressure builds
  • 70000-hour MTBF rated for long-term reliability

Specificaties

BrandBgears
ModelBG30101
Fan Counts1 Fan
Fan ControllerNo Controller
TypeCase Fan
Fan Size140mm
Fan Thickness38mm
Bearing Type2 Ball (Japanese ball bearing)
RPM1200 to 6500 RPM +/- 10%
Air Flow51.5 CFM min / 398 CFM max
Air Pressure1.26mmH2O (at zero flow for pwm) / 37.03mmH2O (max for pwm)
Noise Level67.8 Max
Power ConnectorMini 4 pin 4 wires
MTBF70000 hours
ColorBlack
LEDNon-LED
FeaturesPWM Fan Speed Control Function Design for On Demand Cooling Performance
Bigger Speed Range Designed for Better and Precise On Demand Cooling Need.
Massive Airflow of Up To 318 CFM
Japanese 2 Ball Bearing Designed for Greater Stability at High Speed, and for Higher Performance with Extended Lifespan.
Certified By: UL, FCC, CE, RoHS, WEEE, REACH
Dimensions140 x 140 x 38mm
Verzendgewicht0.45 kg
Pakketafmetingen150 × 150 × 40 mm

Vragen over dit artikel

How loud is the BGears b-BlasterPWM 140x38 when running continuously at its 6500 RPM maximum?

The fan reaches a maximum noise level of 67.8 dBA at 6500 RPM, while PWM control lets it drop to 1200 RPM for much quieter operation during lighter loads.

Does this 140 mm PWM fan need a separate controller or can it plug straight into a motherboard header?

It connects via a standard 4-pin PWM header and includes its own PWM speed control function, so no external fan controller is required.

Will the 38 mm thickness fit alongside standard 25 mm fans in a push-pull radiator setup?

At 38 mm thick the fan is significantly deeper than typical 25 mm models, so you must verify case and radiator clearance before mixing thicknesses.

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