Hardware Spec Index

Zephyra FN-4574 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN4574-CORE · Released 2026 · Updated 2026-10-22

Key facts

Benchmark index339 (Case Fans scale)
Category rank#8,734
Street price$9
Power4 W
Performance per dollar37.67
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4574 Core
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4574 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/94892462 (accessed 2026-10-22).