Hardware Spec Index

Zephyra FN-3685 Core 140mm PWM Case Fan (3-Pack)

Case Fans · Zephyra · SKU FN3685-CORE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index546 (Case Fans scale)
Category rank#30,330
Street price$19
Power4 W
Performance per dollar28.74
Released2022

Specifications

BrandZephyra
ModelZephyra FN-3685 Core
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise27 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Zephyra FN-3685 Core 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/2293849 (accessed 2026-10-21).