Hardware Spec Index

Zephyra FN-4578 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4578-PRO · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index437 (Case Fans scale)
Category rank#13,778
Street price$19
Power4 W
Performance per dollar23.00
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4578 Pro
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4578 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/41917732 (accessed 2026-10-26).