Hardware Spec Index

Teralux FN-1991 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN1991-ULTRA · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,038 (Case Fans scale)
Category rank#22,816
Street price$39
Power3 W
Performance per dollar26.62
Released2024

Specifications

BrandTeralux
ModelTeralux FN-1991 Ultra
Size120 × 120 × 25 mm
Speed300–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1991 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6586264 (accessed 2026-10-21).