Hardware Spec Index

Zephyra FN-3690 Plus 140mm PWM Case Fan

Case Fans · Zephyra · SKU FN3690-PLUS · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index542 (Case Fans scale)
Category rank#2,341
Street price$19
Power3 W
Performance per dollar28.53
Released2025

Specifications

BrandZephyra
ModelZephyra FN-3690 Plus
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3690 Plus 140mm PWM Case Fan”, https://vextor7.com/item/8060757 (accessed 2026-10-21).