Hardware Spec Index

Teralux FN-4661 Ultra 140mm PWM Case Fan

Case Fans · Teralux · SKU FN4661-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index482 (Case Fans scale)
Category rank#2,259
Street price$19
Power3 W
Performance per dollar25.37
Released2026

Specifications

BrandTeralux
ModelTeralux FN-4661 Ultra
Size140 × 140 × 25 mm
Speed500–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-4661 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/7115129 (accessed 2026-10-20).