Hardware Spec Index

Caldera FN-2991 Plus 140mm PWM Case Fan

Case Fans · Caldera · SKU FN2991-PLUS · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index305 (Case Fans scale)
Category rank#40,807
Street price$9
Power3 W
Performance per dollar33.89
Released2023

Specifications

BrandCaldera
ModelCaldera FN-2991 Plus
Size140 × 140 × 25 mm
Speed200–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2991 Plus 140mm PWM Case Fan”, https://vextor7.com/item/3571304 (accessed 2026-10-21).