Hardware Spec Index

Zephyra FN-9491 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN9491-PRIME · Released 2022 · Updated 2026-10-24

Key facts

Benchmark index599 (Case Fans scale)
Category rank#33,996
Street price$19
Power3 W
Performance per dollar31.53
Released2022

Specifications

BrandZephyra
ModelZephyra FN-9491 Prime
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-9491 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/27366776 (accessed 2026-10-24).