Hardware Spec Index

Caldera FN-3911 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3911-PRO · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index633 (Case Fans scale)
Category rank#9,954
Street price$19
Power4 W
Performance per dollar33.32
Released2020

Specifications

BrandCaldera
ModelCaldera FN-3911 Pro
Size120 × 120 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3911 Pro 120mm PWM Case Fan”, https://vextor7.com/item/16664942 (accessed 2026-10-25).