Hardware Spec Index

Caldera FN-3639 Pro 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3639-PRO · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index583 (Case Fans scale)
Category rank#10,438
Street price$19
Power3 W
Performance per dollar30.68
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3639 Pro
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3639 Pro 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3075907 (accessed 2026-10-23).