Hardware Spec Index

Teralux FN-3661 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3661-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index664 (Case Fans scale)
Category rank#27,127
Street price$19
Power2 W
Performance per dollar34.95
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3661 Ultra
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise23 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3661 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/3170772 (accessed 2026-10-24).