Hardware Spec Index

Teralux FN-3691 Ultra 120mm PWM Case Fan

Case Fans · Teralux · SKU FN3691-ULTRA · Released 2020 · Updated 2026-10-20

Key facts

Benchmark index606 (Case Fans scale)
Category rank#11,947
Street price$19
Power3 W
Performance per dollar31.89
Released2020

Specifications

BrandTeralux
ModelTeralux FN-3691 Ultra
Size120 × 120 × 25 mm
Speed400–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 mmH₂O
Noise32 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Teralux FN-3691 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/12925504 (accessed 2026-10-20).