Hardware Spec Index

Teralux FN-2491 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN2491-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index1,264 (Case Fans scale)
Category rank#2,278
Street price$49
Power3 W
Performance per dollar25.80
Released2019

Specifications

BrandTeralux
ModelTeralux FN-2491 Ultra
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise36 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-2491 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/73039837 (accessed 2026-10-26).