Hardware Spec Index

Teralux FN-8491 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN8491-ULTRA · Released 2024 · Updated 2026-10-19

Key facts

Benchmark index1,025 (Case Fans scale)
Category rank#18,257
Street price$39
Power3 W
Performance per dollar26.28
Released2024

Specifications

BrandTeralux
ModelTeralux FN-8491 Ultra
Size140 × 140 × 25 mm
Speed200–1,700 RPM (PWM)
Airflow81.6 CFM
Static pressure1.61 mmH₂O
Noise27 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-8491 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1986607 (accessed 2026-10-19).