Hardware Spec Index

Teralux FN-3980 XT 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN3980-XT · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index495 (Case Fans scale)
Category rank#20,415
Street price$19
Power3 W
Performance per dollar26.05
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3980 XT
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3980 XT 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/62812810 (accessed 2026-10-23).