Hardware Spec Index

Brontix FN-7721 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN7721-PRO · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,183 (Case Fans scale)
Category rank#29,122
Street price$39
Power4 W
Performance per dollar30.33
Released2022

Specifications

BrandBrontix
ModelBrontix FN-7721 Pro
Size140 × 140 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow120.0 CFM
Static pressure2.38 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7721 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/7953645 (accessed 2026-10-20).