Hardware Spec Index

Brontix FN-6721 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6721-ULTRA · Released 2021 · Updated 2026-10-23

Key facts

Benchmark index842 (Case Fans scale)
Category rank#16,544
Street price$29
Power3 W
Performance per dollar29.03
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6721 Ultra
Size120 × 120 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6721 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/96568153 (accessed 2026-10-23).