Hardware Spec Index

Teralux FN-8581 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN8581-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index233 (Case Fans scale)
Category rank#21,250
Street price$9
Power3 W
Performance per dollar25.89
Released2025

Specifications

BrandTeralux
ModelTeralux FN-8581 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-8581 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/1328951 (accessed 2026-10-23).