Hardware Spec Index

Teralux FN-6859 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN6859-ULTRA · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index333 (Case Fans scale)
Category rank#8,514
Street price$9
Power4 W
Performance per dollar37.00
Released2024

Specifications

BrandTeralux
ModelTeralux FN-6859 Ultra
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise28 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6859 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/5491699 (accessed 2026-10-23).