Hardware Spec Index

Teralux FN-3909 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3909-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index893 (Case Fans scale)
Category rank#42,446
Street price$29
Power3 W
Performance per dollar30.79
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3909 Ultra
Size120 × 120 × 25 mm
Speed500–1,700 RPM (PWM)
Airflow57.8 CFM
Static pressure1.87 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3909 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/136964 (accessed 2026-10-21).