Hardware Spec Index

Caldera FN-4331 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN4331-PRO · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index688 (Case Fans scale)
Category rank#23,937
Street price$19
Power4 W
Performance per dollar36.21
Released2024

Specifications

BrandCaldera
ModelCaldera FN-4331 Pro
Size120 × 120 × 25 mm
Speed200–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-4331 Pro 120mm PWM Case Fan”, https://vextor7.com/item/64022764 (accessed 2026-10-26).