Hardware Spec Index

Teralux FN-1391 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN1391-ULTRA · Released 2021 · Updated 2026-10-25

Key facts

Benchmark index709 (Case Fans scale)
Category rank#1,378
Street price$19
Power4 W
Performance per dollar37.32
Released2021

Specifications

BrandTeralux
ModelTeralux FN-1391 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-1391 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/41364030 (accessed 2026-10-25).