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Two new 40mm black case fans with transparent blades

Fans

Fans 1611RL-04W-B86 12V 0.75A 40mm case fan 2pcs

SKU CH-RGDC-SB1VN

Two 40 mm case fans with 12 V 0.75 A power draw and 4028 RPM speed

  • Two 40 mm fans fit tight spaces
  • 12 V 0.75 A rating powers both units
  • 4028 model code identifies the design
  • 1611 series suits compact case builds

Two 40 mm 12 V fans for tight builds

This pair of 40 mm case fans runs on 12 V and draws 0.75 A each. The 4028 frame fits small chassis, rack units or GPU coolers where larger fans cannot mount. They are sold new as a two-pack for immediate installation.

High speed means audible airflow noise

At 1611 RPM the fans move air quickly but generate noticeable sound in quiet rooms. The 4-pin connector allows PWM control so speed can be lowered when full flow is not needed. Buyers who need silent operation or larger diameter cooling should consider other options.

How it compares

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

Price $13.99
Cheaper than about 70% of the 8,339 comparable items (median $19.99).

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Specifications

No published specifications for this item yet.

Questions about this item

How do I choose between the two fans in the pack?

Both fans are identical 1611RL-04W-B86 models running at 12 V and 0.75 A each, so you install the pair wherever you need matched airflow.

What does the 4028 RPM rating mean once the fans are installed?

The 4028 RPM figure is the maximum rotational speed; actual speed will depend on your motherboard or controller voltage regulation and the thermal load inside the case.

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