Hardware Spec Index

Zephyra FN-4577 Core 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN4577-CORE · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index319 (Case Fans scale)
Category rank#6,094
Street price$9
Power3 W
Performance per dollar35.44
Released2026

Specifications

BrandZephyra
ModelZephyra FN-4577 Core
Size140 × 140 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4577 Core 140mm PWM Case Fan”, https://vextor7.com/item/5997609 (accessed 2026-10-23).