Hardware Spec Index

Teralux FN-3940 XT 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3940-XT · Released 2019 · Updated 2026-10-18

Key facts

Benchmark index452 (Case Fans scale)
Category rank#16,782
Street price$19
Power3 W
Performance per dollar23.79
Released2019

Specifications

BrandTeralux
ModelTeralux FN-3940 XT
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3940 XT 140mm PWM Case Fan”, https://vextor7.com/item/8730 (accessed 2026-10-18).