Hardware Spec Index

Brontix FN-7643 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN7643-ULTRA · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,241 (Case Fans scale)
Category rank#2,328
Street price$49
Power3 W
Performance per dollar25.33
Released2025

Specifications

BrandBrontix
ModelBrontix FN-7643 Ultra
Size120 × 120 × 25 mm
Speed400–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7643 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/7363075 (accessed 2026-10-21).