Hardware Spec Index

Zephyra FN-4581 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4581-CORE · Released 2025 · Updated 2026-10-20

Key facts

Benchmark index415 (Case Fans scale)
Category rank#35,707
Street price$19
Power4 W
Performance per dollar21.84
Released2025

Specifications

BrandZephyra
ModelZephyra FN-4581 Core
Size120 × 120 × 25 mm
Speed200–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4581 Core 120mm PWM Case Fan”, https://vextor7.com/item/6234886 (accessed 2026-10-20).