Hardware Spec Index

Zephyra FN-4558 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4558-PRO · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index439 (Case Fans scale)
Category rank#40,849
Street price$19
Power2 W
Performance per dollar23.11
Released2022

Specifications

BrandZephyra
ModelZephyra FN-4558 Pro
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4558 Pro 140mm PWM Case Fan”, https://vextor7.com/item/91498004 (accessed 2026-10-23).