Hardware Spec Index

Teralux FN-3491 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3491-ULTRA · Released 2023 · Updated 2026-10-24

Key facts

Benchmark index1,105 (Case Fans scale)
Category rank#14,179
Street price$39
Power3 W
Performance per dollar28.33
Released2023

Specifications

BrandTeralux
ModelTeralux FN-3491 Ultra
Size140 × 140 × 25 mm
Speed500–2,100 RPM (PWM)
Airflow100.8 CFM
Static pressure2.00 mmH₂O
Noise34 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, “Teralux FN-3491 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/84897963 (accessed 2026-10-24).