Hardware Spec Index

Caldera FN-8991 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN8991-ULTRA · Released 2023 · Updated 2026-10-22

Key facts

Benchmark index786 (Case Fans scale)
Category rank#41,094
Street price$19
Power3 W
Performance per dollar41.37
Released2023

Specifications

BrandCaldera
ModelCaldera FN-8991 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-8991 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/3266944 (accessed 2026-10-22).