Hardware Spec Index

Caldera FN-3941 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3941-PRIME · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index232 (Case Fans scale)
Category rank#47,076
Street price$9
Power4 W
Performance per dollar25.78
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3941 Prime
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3941 Prime 140mm PWM Case Fan”, https://vextor7.com/item/85632555 (accessed 2026-10-20).