Hardware Spec Index

Teralux FN-3866 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3866-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index1,374 (Case Fans scale)
Category rank#36,210
Street price$49
Power4 W
Performance per dollar28.04
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3866 Ultra
Size120 × 120 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3866 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/82881208 (accessed 2026-10-23).