Hardware Spec Index

Teralux FN-9665 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Teralux · SKU FN9665-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,085 (Case Fans scale)
Category rank#37,737
Street price$39
Power3 W
Performance per dollar27.82
Released2019

Specifications

BrandTeralux
ModelTeralux FN-9665 Ultra
Size140 × 140 × 25 mm
Speed500–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-9665 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1179201 (accessed 2026-10-22).