Hardware Spec Index

Zephyra FN-4558 Pro 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4558-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index265 (Case Fans scale)
Category rank#17,597
Street price$9
Power3 W
Performance per dollar29.44
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4558 Pro
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise28 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4558 Pro 120mm PWM Case Fan”, https://vextor7.com/item/32944513 (accessed 2026-10-21).