Hardware Spec Index

Teralux FN-4578 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Teralux · SKU FN4578-ULTRA · Released 2025 · Updated 2026-10-18

Key facts

Benchmark index520 (Case Fans scale)
Category rank#7,604
Street price$19
Power3 W
Performance per dollar27.37
Released2025

Specifications

BrandTeralux
ModelTeralux FN-4578 Ultra
Size140 × 140 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4578 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/91557797 (accessed 2026-10-18).