Hardware Spec Index

Brontix FN-6504 Ultra 140mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6504-ULTRA · Released 2026 · Updated 2026-10-23

Key facts

Benchmark index565 (Case Fans scale)
Category rank#6,584
Street price$19
Power3 W
Performance per dollar29.74
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6504 Ultra
Size140 × 140 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise24 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6504 Ultra 140mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4182604 (accessed 2026-10-23).