Hardware Spec Index

Zephyra FN-4573 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4573-PRO · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index797 (Case Fans scale)
Category rank#8,756
Street price$29
Power4 W
Performance per dollar27.48
Released2019

Specifications

BrandZephyra
ModelZephyra FN-4573 Pro
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4573 Pro 140mm PWM Case Fan”, https://vextor7.com/item/185176 (accessed 2026-10-19).