Hardware Spec Index

Teralux FN-3789 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3789-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index938 (Case Fans scale)
Category rank#20,586
Street price$29
Power3 W
Performance per dollar32.34
Released2026

Specifications

BrandTeralux
ModelTeralux FN-3789 Ultra
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise31 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3789 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/21318173 (accessed 2026-10-20).