Hardware Spec Index

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

Case Fans · Caldera · SKU FN8991-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index387 (Case Fans scale)
Category rank#42,658
Street price$9
Power4 W
Performance per dollar43.00
Released2023

Specifications

BrandCaldera
ModelCaldera FN-8991 Ultra
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise27 dBA
BearingRifle bearing
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/2555869 (accessed 2026-10-24).