Hardware Spec Index

Brontix FN-2851 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN2851-ULTRA · Released 2024 · Updated 2026-10-20

Key facts

Benchmark index1,051 (Case Fans scale)
Category rank#8,883
Street price$39
Power3 W
Performance per dollar26.95
Released2024

Specifications

BrandBrontix
ModelBrontix FN-2851 Ultra
Size140 × 140 × 25 mm
Speed500–2,200 RPM (PWM)
Airflow105.6 CFM
Static pressure2.09 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2851 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/3526445 (accessed 2026-10-20).