Hardware Spec Index

Caldera FN-3857 Max 140mm PWM Case Fan

Case Fans · Caldera · SKU FN3857-MAX · Released 2021 · Updated 2026-10-18

Key facts

Benchmark index778 (Case Fans scale)
Category rank#26,189
Street price$19
Power3 W
Performance per dollar40.95
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3857 Max
Size140 × 140 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3857 Max 140mm PWM Case Fan”, https://vextor7.com/item/17534141 (accessed 2026-10-18).