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Two black 40mm square case fans with ball bearings and four-pin connectors

Zyvpee

Zyvpee DS04020B12U P0174 40mm 12V 0.25A ball-bearing case fan 2-pack

SKU CH-RXND-FJ7PW

Two 40 mm ball-bearing case fans with 4-pin connectors run at 12 V 0.25 A for server or CPU cooling

  • TypeCase Fan
  • Bearing TypeBall
  • Power Connector4 Pin
  • ColorBlack
  • LEDNon-LED
  • FeaturesCPU Fan
  • Ball bearing ensures long-term reliability
  • 12 V 0.25 A draws minimal power
  • 40 mm by 20 mm fits tight spaces
  • 4-pin connector enables speed control
  • Two fans included for balanced airflow

Compact 40 mm server fan pair

Two 40×20 mm DC fans with ball bearings arrive as a matched set. Each unit runs on 12 V at 0.25 A and uses a 4-pin connector for speed control. The non-LED black frames suit rack or workstation chassis where space is tight.

Thermals noise and power draw

Ball-bearing construction keeps acoustic output steady during continuous 12 V operation. Current draw stays at 0.25 A per fan, so total load remains predictable for dense server environments. The 4020 form factor moves air through restricted pathways without excessive turbulence.

Build integration

Four-pin headers provide PWM regulation without extra adapters. The 40 mm square footprint frees surrounding clearance for dense component stacking. Buyers needing larger airflow volumes or RGB illumination should look elsewhere.

Points forts

  • Ball bearing ensures long-term reliability
  • 12 V 0.25 A draws minimal power
  • 40 mm by 20 mm fits tight spaces
  • 4-pin connector enables speed control
  • Two fans included for balanced airflow

Caractéristiques

Brand3ccooler.com
SeriesDS04020B12U P0174
ModelDS04020B12U
TypeCase Fan
Bearing TypeBall
Power Connector4 Pin
ColorBlack
LEDNon-LED
FeaturesCPU Fan
Dimensions40*20mm

Questions sur cet article

How do I install the 40mm DS04020B12U fans and which step is often missed?

Mount the 40x40x20mm frames with four screws, then plug the 4-pin connector into a 12V header; the step often missed is orienting the airflow arrow toward the heatsink or exhaust path.

What maintenance will the ball-bearing DS04020B12U fans need later?

Ball bearings run without lubrication intervals; only clean dust from the blades and frame periodically to keep the 0.25A draw stable.

What limit appears first when the DS04020B12U fans run continuously at 12V?

The 0.25A current rating sets the thermal ceiling; sustained load at 12V will hit that electrical limit before mechanical wear becomes an issue.

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