Hardware Spec Index

Zephyra FN-3491 Prime 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3491-PRIME · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index283 (Case Fans scale)
Category rank#23,245
Street price$9
Power4 W
Performance per dollar31.44
Released2026

Specifications

BrandZephyra
ModelZephyra FN-3491 Prime
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3491 Prime 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3974930 (accessed 2026-10-22).