Hardware Spec Index

Caldera FN-1858 Pro 140mm PWM Case Fan

Case Fans · Caldera · SKU FN1858-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index596 (Case Fans scale)
Category rank#19,070
Street price$19
Power3 W
Performance per dollar31.37
Released2021

Specifications

BrandCaldera
ModelCaldera FN-1858 Pro
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1858 Pro 140mm PWM Case Fan”, https://vextor7.com/item/53314400 (accessed 2026-10-21).