Hardware Spec Index

Teralux FN-4578 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN4578-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index894 (Case Fans scale)
Category rank#24,685
Street price$29
Power4 W
Performance per dollar30.83
Released2024

Specifications

BrandTeralux
ModelTeralux FN-4578 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 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-4578 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/19782172 (accessed 2026-10-20).