Hardware Spec Index

Teralux FN-3981 SE 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3981-SE · Released 2024 · Updated 2026-10-26

Key facts

Benchmark index1,075 (Case Fans scale)
Category rank#28,377
Street price$39
Power4 W
Performance per dollar27.56
Released2024

Specifications

BrandTeralux
ModelTeralux FN-3981 SE
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise27 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-3981 SE 140mm PWM ARGB Case Fan”, https://vextor7.com/item/2569870 (accessed 2026-10-26).