Hardware Spec Index

Caldera FN-3998 Prime 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3998-PRIME · Released 2022 · Updated 2026-10-25

Key facts

Benchmark index654 (Case Fans scale)
Category rank#16,352
Street price$19
Power3 W
Performance per dollar34.42
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3998 Prime
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3998 Prime 140mm PWM Case Fan”, https://vextor7.com/item/54555378 (accessed 2026-10-25).