Hardware Spec Index

Brontix FN-4837 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4837-ULTRA · Released 2020 · Updated 2026-10-24

Key facts

Benchmark index272 (Case Fans scale)
Category rank#14,430
Street price$9
Power3 W
Performance per dollar30.22
Released2020

Specifications

BrandBrontix
ModelBrontix FN-4837 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4837 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/6259124 (accessed 2026-10-24).