Hardware Spec Index

Brontix FN-6858 Pro 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6858-PRO · Released 2026 · Updated 2026-10-19

Key facts

Benchmark index1,239 (Case Fans scale)
Category rank#1,834
Street price$49
Power4 W
Performance per dollar25.29
Released2026

Specifications

BrandBrontix
ModelBrontix FN-6858 Pro
Size140 × 140 × 25 mm
Speed400–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise22 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6858 Pro 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/8308445 (accessed 2026-10-19).