Hardware Spec Index

Brontix FN-3756 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3756-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index208 (Case Fans scale)
Category rank#3,706
Street price$9
Power3 W
Performance per dollar23.11
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3756 Ultra
Size140 × 140 × 25 mm
Speed400–2,300 RPM (PWM)
Airflow110.4 CFM
Static pressure2.19 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3756 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/31312679 (accessed 2026-10-22).