Hardware Spec Index

Teralux FN-3649 Ultra 140mm PWM ARGB Case Fan

Case Fans · Teralux · SKU FN3649-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index1,297 (Case Fans scale)
Category rank#49,608
Street price$49
Power4 W
Performance per dollar26.47
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3649 Ultra
Size140 × 140 × 25 mm
Speed400–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3649 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/16635696 (accessed 2026-10-20).