Hardware Spec Index

Brontix FN-4156 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4156-ULTRA · Released 2019 · Updated 2026-10-19

Key facts

Benchmark index719 (Case Fans scale)
Category rank#17,765
Street price$29
Power3 W
Performance per dollar24.79
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4156 Ultra
Size120 × 120 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise27 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4156 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6553396 (accessed 2026-10-19).