Hardware Spec Index

Zephyra FN-4491 Core 120mm PWM Case Fan

Case Fans · Zephyra · SKU FN4491-CORE · Released 2023 · Updated 2026-10-25

Key facts

Benchmark index413 (Case Fans scale)
Category rank#39,338
Street price$9
Power3 W
Performance per dollar45.89
Released2023

Specifications

BrandZephyra
ModelZephyra FN-4491 Core
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4491 Core 120mm PWM Case Fan”, https://vextor7.com/item/2099103 (accessed 2026-10-25).