Hardware Spec Index

Caldera FN-3643 Core 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3643-CORE · Released 2021 · Updated 2026-10-19

Key facts

Benchmark index338 (Case Fans scale)
Category rank#36,061
Street price$9
Power3 W
Performance per dollar37.56
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3643 Core
Size120 × 120 × 25 mm
Speed300–1,900 RPM (PWM)
Airflow64.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3643 Core 120mm PWM Case Fan”, https://vextor7.com/item/85630711 (accessed 2026-10-19).