Hardware Spec Index

Caldera FN-3665 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3665-CORE · Released 2023 · Updated 2026-10-20

Key facts

Benchmark index823 (Case Fans scale)
Category rank#8,304
Street price$19
Power3 W
Performance per dollar43.32
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3665 Core
Size120 × 120 × 25 mm
Speed400–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3665 Core 120mm PWM Case Fan”, https://vextor7.com/item/54370671 (accessed 2026-10-20).