Hardware Spec Index

Zephyra FN-4178 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4178-PRO · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index672 (Case Fans scale)
Category rank#46,647
Street price$19
Power3 W
Performance per dollar35.37
Released2021

Specifications

BrandZephyra
ModelZephyra FN-4178 Pro
Size120 × 120 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4178 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/97524456 (accessed 2026-10-24).