Hardware Spec Index

Caldera FN-3857 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3857-PRO · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index367 (Case Fans scale)
Category rank#24,622
Street price$9
Power4 W
Performance per dollar40.78
Released2026

Specifications

BrandCaldera
ModelCaldera FN-3857 Pro
Size120 × 120 × 25 mm
Speed200–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3857 Pro 120mm PWM Case Fan”, https://vextor7.com/item/3205930 (accessed 2026-10-24).