Hardware Spec Index

Zephyra FN-3900 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3900-PRO · Released 2021 · Updated 2026-10-26

Key facts

Benchmark index360 (Case Fans scale)
Category rank#44,266
Street price$19
Power3 W
Performance per dollar18.95
Released2021

Specifications

BrandZephyra
ModelZephyra FN-3900 Pro
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3900 Pro 140mm PWM Case Fan”, https://vextor7.com/item/31580555 (accessed 2026-10-26).