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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

  • Bearing design2 Ball
  • Power input connector4 Pin
  • LED lightingNon-LED
  • Product typeCPU Cooler Fan
  • Product colorBlack
  • Key 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.

How it compares

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

Price $26.99
Pricier than about 68% of the 8,339 comparable items (median $19.99).

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Specifications

Product
Brand name3ccooler.com
Product lineRB7038BU
Model nameRB7038BU
Product typeCPU Cooler Fan
Product colorBlack
Power
Power input connector4 Pin
Size & build
Bearing design2 Ball
Product dimensions70 × 38 mm
More details
LED lightingNon-LED

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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