Hardware Spec Index

Caldera FN-2991 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2991-ULTRA · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index744 (Case Fans scale)
Category rank#18,165
Street price$29
Power3 W
Performance per dollar25.66
Released2022

Specifications

BrandCaldera
ModelCaldera FN-2991 Ultra
Size120 × 120 × 25 mm
Speed500–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2991 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/99340885 (accessed 2026-10-26).