Hardware Spec Index

Caldera FN-3686 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3686-PRO · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index564 (Case Fans scale)
Category rank#30,712
Street price$19
Power4 W
Performance per dollar29.68
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3686 Pro
Size140 × 140 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3686 Pro 140mm PWM Case Fan”, https://vextor7.com/item/3779176 (accessed 2026-10-26).