Hardware Spec Index

Teralux FN-6657 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN6657-ULTRA · Released 2019 · Updated 2026-10-26

Key facts

Benchmark index1,346 (Case Fans scale)
Category rank#49,248
Street price$49
Power4 W
Performance per dollar27.47
Released2019

Specifications

BrandTeralux
ModelTeralux FN-6657 Ultra
Size140 × 140 × 25 mm
Speed200–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise25 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-6657 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/13360250 (accessed 2026-10-26).