Hardware Spec Index

Caldera FN-1840 Ultra 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN1840-ULTRA · Released 2020 · Updated 2026-10-21

Key facts

Benchmark index1,294 (Case Fans scale)
Category rank#45,355
Street price$49
Power3 W
Performance per dollar26.41
Released2020

Specifications

BrandCaldera
ModelCaldera FN-1840 Ultra
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise36 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-1840 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/91820342 (accessed 2026-10-21).