Hardware Spec Index

Brontix FN-9847 Ultra 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9847-ULTRA · Released 2025 · Updated 2026-10-23

Key facts

Benchmark index1,400 (Case Fans scale)
Category rank#45,029
Street price$49
Power4 W
Performance per dollar28.57
Released2025

Specifications

BrandBrontix
ModelBrontix FN-9847 Ultra
Size140 × 140 × 25 mm
Speed500–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9847 Ultra 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/2672040 (accessed 2026-10-23).