Hardware Spec Index

Teralux FN-6646 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN6646-ULTRA · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,166 (Case Fans scale)
Category rank#16,424
Street price$39
Power2 W
Performance per dollar29.90
Released2022

Specifications

BrandTeralux
ModelTeralux FN-6646 Ultra
Size140 × 140 × 25 mm
Speed400–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-6646 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/5113220 (accessed 2026-10-20).