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Black 70x38mm 12V .8A 4-pin case fan

Zyvpee

Zyvpee RB7038BU 70x38mm 12V .8A 4-pin case fan

SKU CH-QMK1-RFZBJ

A 70 mm by 38 mm case fan with a 12 V .8 A four-pin connector and dual-ball bearing

  • TypeCPU Cooler Fan
  • Bearing Type2 Ball
  • Power Connector4 Pin
  • ColorBlack
  • LEDNon-LED
  • FeaturesPower Case Fan
  • 70 mm frame fits compact chassis
  • 38 mm thickness delivers focused airflow
  • Dual-ball bearing extends operating life
  • 4-pin connector enables precise speed control
  • 12 V .8 A rating suits booster applications

70 mm 4-pin booster fan

The Zyvpee RB7038BU is a 70 by 38 millimetre case fan built around a dual-ball bearing motor. It draws .8 amps at 12 volts through a standard four-pin connector. The black, non-LED frame suits builders who need a compact airflow booster for tight chassis spaces.

Thermals and acoustics

Dual-ball bearings keep friction low during continuous operation at 12 volts. The four-wire interface allows the motherboard to modulate speed, reducing noise when full flow is not required. Power draw stays at .8 amps, so the fan adds minimal load to the 12 volt rail.

Build integration

The 70 by 38 millimetre footprint fits narrow mounting points where larger fans cannot sit. Four-pin PWM control works with any modern fan header, leaving three-pin headers free for simpler devices. Buyers who need higher static pressure or larger frame dimensions should look elsewhere.

Highlights

  • 70 mm frame fits compact chassis
  • 38 mm thickness delivers focused airflow
  • Dual-ball bearing extends operating life
  • 4-pin connector enables precise speed control
  • 12 V .8 A rating suits booster applications

Specifications

Brand3ccooler.com
SeriesRB7038BU
ModelRB7038BU
TypeCPU Cooler Fan
Bearing Type2 Ball
Power Connector4 Pin
ColorBlack
LEDNon-LED
FeaturesPower Case Fan
Dimensions70*38mm

Questions about this item

How do I install the 70x38mm 4-pin fan and what step is often missed?

Mount the fan using the four 70mm screw holes, connect the 4-pin PWM header to the motherboard, and ensure the arrow on the frame matches the intended airflow direction — the arrow is the step most builders overlook.

What maintenance will the 2-ball bearing fan need later?

The dual ball bearings are sealed and rated for continuous operation; no lubrication is required, but dust should be cleared from the blades and frame every few months with compressed air to maintain airflow.

What limit appears first when the RB7038BU runs at 12V 0.8A continuously?

The motor draws a steady 0.8A at 12V, so the first constraint is the motherboard header's current rating — if the header is limited below 0.8A the fan will throttle or shut down before thermal limits are reached.

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