Hardware Spec Index

Caldera FN-3891 Pro 120mm PWM ARGB Case Fan

Case Fans · Caldera · SKU FN3891-PRO · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index849 (Case Fans scale)
Category rank#47,163
Street price$29
Power3 W
Performance per dollar29.28
Released2021

Specifications

BrandCaldera
ModelCaldera FN-3891 Pro
Size120 × 120 × 25 mm
Speed400–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Caldera FN-3891 Pro 120mm PWM ARGB Case Fan”, https://vextor7.com/item/837098 (accessed 2026-10-21).