Hardware Spec Index

Brontix FN-6521 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN6521-ULTRA · Released 2020 · Updated 2026-10-26

Key facts

Benchmark index429 (Case Fans scale)
Category rank#968
Street price$9
Power3 W
Performance per dollar47.67
Released2020

Specifications

BrandBrontix
ModelBrontix FN-6521 Ultra
Size120 × 120 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6521 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/21926839 (accessed 2026-10-26).