Hardware Spec Index

Caldera FN-3857 Pro 120mm PWM Case Fan

Case Fans · Caldera · SKU FN3857-PRO · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index582 (Case Fans scale)
Category rank#5,499
Street price$19
Power3 W
Performance per dollar30.63
Released2019

Specifications

BrandCaldera
ModelCaldera FN-3857 Pro
Size120 × 120 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow78.2 CFM
Static pressure2.53 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3857 Pro 120mm PWM Case Fan”, https://vextor7.com/item/9765986 (accessed 2026-10-21).