Hardware Spec Index

Zephyra FN-3697 Pro 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3697-PRO · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index638 (Case Fans scale)
Category rank#19,206
Street price$19
Power3 W
Performance per dollar33.58
Released2019

Specifications

BrandZephyra
ModelZephyra FN-3697 Pro
Size140 × 140 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3697 Pro 140mm PWM Case Fan”, https://vextor7.com/item/20005529 (accessed 2026-10-18).