Hardware Spec Index

Caldera FN-1897 Ultra 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1897-ULTRA · Released 2025 · Updated 2026-10-24

Key facts

Benchmark index433 (Case Fans scale)
Category rank#35,061
Street price$19
Power4 W
Performance per dollar22.79
Released2025

Specifications

BrandCaldera
ModelCaldera FN-1897 Ultra
Size140 × 140 × 25 mm
Speed300–2,800 RPM (PWM)
Airflow134.4 CFM
Static pressure2.66 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1897 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/3086083 (accessed 2026-10-24).