Hardware Spec Index

Zephyra FN-7491 Prime 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN7491-PRIME · Released 2020 · Updated 2026-10-22

Key facts

Benchmark index735 (Case Fans scale)
Category rank#37,203
Street price$19
Power3 W
Performance per dollar38.68
Released2020

Specifications

BrandZephyra
ModelZephyra FN-7491 Prime
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 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-7491 Prime 120mm PWM Case Fan”, https://vextor7.com/item/2221136 (accessed 2026-10-22).