Hardware Spec Index

Brontix FN-4678 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4678-ULTRA · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index580 (Case Fans scale)
Category rank#24,162
Street price$19
Power3 W
Performance per dollar30.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4678 Ultra
Size120 × 120 × 25 mm
Speed300–2,400 RPM (PWM)
Airflow81.6 CFM
Static pressure2.64 mmH₂O
Noise30 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4678 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/92435899 (accessed 2026-10-24).