Hardware Spec Index

Caldera FN-3911 Plus 140mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3911-PLUS · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index652 (Case Fans scale)
Category rank#48,497
Street price$19
Power3 W
Performance per dollar34.32
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3911 Plus
Size140 × 140 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3911 Plus 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/19783144 (accessed 2026-10-24).