Hardware Spec Index

Brontix FN-8704 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN8704-ULTRA · Released 2024 · Updated 2026-10-22

Key facts

Benchmark index824 (Case Fans scale)
Category rank#27,088
Street price$29
Power4 W
Performance per dollar28.41
Released2024

Specifications

BrandBrontix
ModelBrontix FN-8704 Ultra
Size140 × 140 × 25 mm
Speed300–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise27 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-8704 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/3428532 (accessed 2026-10-22).