Hardware Spec Index

Caldera FN-3871 Ultra 120mm PWM Case Fan (3-Pack)

Case Fans · Caldera · SKU FN3871-ULTRA · Released 2023 · Updated 2026-10-19

Key facts

Benchmark index511 (Case Fans scale)
Category rank#3,016
Street price$19
Power3 W
Performance per dollar26.89
Released2023

Specifications

BrandCaldera
ModelCaldera FN-3871 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3871 Ultra 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/598115 (accessed 2026-10-19).