Hardware Spec Index

Caldera FN-3891 Core 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3891-CORE · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,334 (Case Fans scale)
Category rank#29,007
Street price$49
Power4 W
Performance per dollar27.22
Released2022

Specifications

BrandCaldera
ModelCaldera FN-3891 Core
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3891 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7473399 (accessed 2026-10-21).