Hardware Spec Index

Caldera FN-7904 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN7904-PRIME · Released 2024 · Updated 2026-10-25

Key facts

Benchmark index753 (Case Fans scale)
Category rank#32,077
Street price$19
Power3 W
Performance per dollar39.63
Released2024

Specifications

BrandCaldera
ModelCaldera FN-7904 Prime
Size140 × 140 × 25 mm
Speed300–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-7904 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4756558 (accessed 2026-10-25).