Hardware Spec Index

Teralux FN-3909 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3909-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,173 (Case Fans scale)
Category rank#26,812
Street price$39
Power3 W
Performance per dollar30.08
Released2022

Specifications

BrandTeralux
ModelTeralux FN-3909 Ultra
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3909 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/20047419 (accessed 2026-10-20).