Hardware Spec Index

Brontix FN-7857 Ultra 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN7857-ULTRA · Released 2019 · Updated 2026-10-22

Key facts

Benchmark index1,262 (Case Fans scale)
Category rank#47,632
Street price$39
Power3 W
Performance per dollar32.36
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7857 Ultra
Size120 × 120 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise26 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7857 Ultra 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16552121 (accessed 2026-10-22).