Hardware Spec Index

Zephyra FN-4091 Core 140mm PWM ARGB Case Fan

Case Fans · Zephyra · SKU FN4091-CORE · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index1,055 (Case Fans scale)
Category rank#17,345
Street price$39
Power4 W
Performance per dollar27.05
Released2024

Specifications

BrandZephyra
ModelZephyra FN-4091 Core
Size140 × 140 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-4091 Core 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2326318 (accessed 2026-10-23).