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Black square 50mm case fan 20mm thick three-pin connector

BGears

BGears b-Blaster 50 50mm 20mm 5000 RPM 17 CFM 26 dBA 3-pin case fan

SKU CH-MMSM-6YPQD MPN b-Blaster 50

50 mm case fan spins at 5000 RPM, delivering 17 CFM airflow at 26 dBA with dual ball bearings for long life

  • Fan size50 mm
  • Number of fans1 Fan
  • Fan controlNo Controller
  • Fan depth20 mm
  • Bearing design2 Ball
  • Rotational speed5,000 RPM
  • Extended lifespan with dual ball bearing design
  • High airflow of 17 CFM at 5000 RPM
  • Quiet operation at only 26 dBA noise level
  • Compact 50mm x 20mm frame fits tight spaces
  • 3-pin connector provides speed signal output

50 mm 2 ball bearing case fan

The BGears b-Blaster 50 is a 50 mm square case fan with a 20 mm frame and a dual ball bearing. It spins at 5000 RPM and delivers 17 CFM of airflow while producing 26 dBA of noise. The unit uses a three pin power connector and includes four mounting screws.

Builders who need a compact high speed fan

This fan suits small form factor cases, power supply upgrades or tight CPU heatsink spots where a 50 mm frame fits and a three pin header is available. Buyers who require PWM speed control or a larger mounting footprint should consider other options because this model has a fixed three pin connector and a 50 mm frame.

Three pin connector with speed signal

The three pin lead provides power, ground and a tachometer signal so the motherboard can report fan speed but cannot vary voltage automatically. If your board only offers four pin PWM headers you will lose automatic speed regulation with this fan.

How it compares

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

Price $6.99
Cheaper than about 94% of the 8,339 comparable items (median $19.99).
Fan size 50 mm
Lower than about 87% of the 1,114 comparable items (median 120 mm).

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Specifications

Product
Brand nameBgears
Model nameb-Blaster 50
Product typeCase Fan
Product colorBlack
Performance
Rotational speed5,000 RPM
Airflow rate17 CFM
Power
Power input connector3 Pin
Size & build
Fan size50 mm
Number of fans1 Fan
Fan depth20 mm
Bearing design2 Ball
Product dimensions50 × 50 × 20 mm
Shipping weight0.04 kg
Package size108 × 84 × 25 mm
Environment & compliance
Operating noise26 dBA
More details
Fan controlNo Controller

Questions about this item

Does the b-Blaster 50 come with mounting screws or do I need to buy them separately?

Four screws are included in the box so no separate mounting hardware is required.

Should I choose a different bearing type for a quieter build or is the 2 ball bearing the only option?

The b-Blaster 50 is offered only with a 2 ball bearing which provides extended life and high performance at 26 dBA.

What does 17 CFM at 5000 RPM mean for cooling a small form factor case?

The fan moves up to 17 cubic feet of air per minute at full speed delivering strong airflow for tight spaces like mini-ITX cases or CPU heatsinks.

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