Hardware Spec Index

Zephyra FN-4909 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4909-PRIME · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index454 (Case Fans scale)
Category rank#36,836
Street price$19
Power3 W
Performance per dollar23.89
Released2020

Specifications

BrandZephyra
ModelZephyra FN-4909 Prime
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4909 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2903523 (accessed 2026-10-25).