Hardware Spec Index

Teralux FN-3981 XT 120mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3981-XT · Released 2025 · Updated 2026-10-26

Key facts

Benchmark index872 (Case Fans scale)
Category rank#11,839
Street price$29
Power4 W
Performance per dollar30.07
Released2025

Specifications

BrandTeralux
ModelTeralux FN-3981 XT
Size120 × 120 × 25 mm
Speed400–2,800 RPM (PWM)
Airflow95.2 CFM
Static pressure3.08 mmH₂O
Noise30 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-3981 XT 120mm PWM ARGB Case Fan”, https://vextor7.com/item/6489033 (accessed 2026-10-26).