Hardware Spec Index

Caldera FN-3647 Pro 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3647-PRO · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index972 (Case Fans scale)
Category rank#40,245
Street price$29
Power3 W
Performance per dollar33.52
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3647 Pro
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise33 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3647 Pro 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/7248697 (accessed 2026-10-19).