Hardware Spec Index

Teralux FN-4091 Ultra 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4091-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index1,025 (Case Fans scale)
Category rank#10,564
Street price$29
Power3 W
Performance per dollar35.34
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4091 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4091 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/28112972 (accessed 2026-10-22).