Hardware Spec Index

Caldera FN-2991 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN2991-PRIME · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index326 (Case Fans scale)
Category rank#25,374
Street price$9
Power3 W
Performance per dollar36.22
Released2019

Specifications

BrandCaldera
ModelCaldera FN-2991 Prime
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-2991 Prime 120mm PWM Case Fan”, https://vextor7.com/item/91788177 (accessed 2026-10-21).