Hardware Spec Index

Teralux FN-3979 Prime 140mm PWM Case Fan

Case Fans · Teralux · SKU FN3979-PRIME · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index756 (Case Fans scale)
Category rank#42,525
Street price$19
Power4 W
Performance per dollar39.79
Released2021

Specifications

BrandTeralux
ModelTeralux FN-3979 Prime
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3979 Prime 140mm PWM Case Fan”, https://vextor7.com/item/82944362 (accessed 2026-10-21).