Hardware Spec Index

Zephyra FN-3181 Pro 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3181-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index445 (Case Fans scale)
Category rank#47,686
Street price$19
Power3 W
Performance per dollar23.42
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3181 Pro
Size140 × 140 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3181 Pro 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/5222825 (accessed 2026-10-21).