Hardware Spec Index

Caldera FN-1838 Ultra 120mm PWM Case Fan

Case Fans · Caldera · SKU FN1838-ULTRA · Released 2020 · Updated 2026-10-25

Key facts

Benchmark index353 (Case Fans scale)
Category rank#45,789
Street price$9
Power3 W
Performance per dollar39.22
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1838 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1838 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/56522128 (accessed 2026-10-25).