Hardware Spec Index

Caldera FN-3857 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3857-PRO · Released 2022 · Updated 2026-10-26

Key facts

Benchmark index981 (Case Fans scale)
Category rank#11,797
Street price$29
Power3 W
Performance per dollar33.83
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3857 Pro
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3857 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/71362765 (accessed 2026-10-26).