Hardware Spec Index

Caldera FN-3659 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3659-PRIME · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index401 (Case Fans scale)
Category rank#8,992
Street price$9
Power3 W
Performance per dollar44.56
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3659 Prime
Size140 × 140 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow115.2 CFM
Static pressure2.28 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3659 Prime 140mm PWM Case Fan”, https://vextor7.com/item/9106041 (accessed 2026-10-19).