Hardware Spec Index

Caldera FN-3998 Prime 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3998-PRIME · Released 2022 · Updated 2026-10-19

Key facts

Benchmark index421 (Case Fans scale)
Category rank#35,215
Street price$19
Power4 W
Performance per dollar22.16
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3998 Prime
Size120 × 120 × 25 mm
Speed400–2,600 RPM (PWM)
Airflow88.4 CFM
Static pressure2.86 mmH₂O
Noise25 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3998 Prime 120mm PWM Case Fan”, https://vextor7.com/item/80249904 (accessed 2026-10-19).