Hardware Spec Index

Brontix FN-5857 Prime 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5857-PRIME · Released 2024 · Updated 2026-10-21

Key facts

Benchmark index1,340 (Case Fans scale)
Category rank#44,163
Street price$49
Power3 W
Performance per dollar27.35
Released2024

Specifications

BrandBrontix
ModelBrontix FN-5857 Prime
Size140 × 140 × 25 mm
Speed200–2,000 RPM (PWM)
Airflow96.0 CFM
Static pressure1.90 mmH₂O
Noise31 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5857 Prime 140mm PWM ARGB Case Fan”, https://vextor7.com/item/4214435 (accessed 2026-10-21).