Hardware Spec Index

Caldera FN-3941 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3941-PRIME · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index446 (Case Fans scale)
Category rank#18,099
Street price$9
Power3 W
Performance per dollar49.56
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3941 Prime
Size140 × 140 × 25 mm
Speed200–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise35 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3941 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3255233 (accessed 2026-10-20).