Hardware Spec Index

Teralux FN-6391 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN6391-ULTRA · Released 2021 · Updated 2026-10-20

Key facts

Benchmark index1,049 (Case Fans scale)
Category rank#19,476
Street price$39
Power3 W
Performance per dollar26.90
Released2021

Specifications

BrandTeralux
ModelTeralux FN-6391 Ultra
Size140 × 140 × 25 mm
Speed200–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6391 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/83317407 (accessed 2026-10-20).