Hardware Spec Index

Brontix FN-7857 Pro 120mm PWM Case Fan

Case Fans · Brontix · SKU FN7857-PRO · Released 2020 · Updated 2026-10-19

Key facts

Benchmark index677 (Case Fans scale)
Category rank#36,780
Street price$19
Power3 W
Performance per dollar35.63
Released2020

Specifications

BrandBrontix
ModelBrontix FN-7857 Pro
Size120 × 120 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise30 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7857 Pro 120mm PWM Case Fan”, https://vextor7.com/item/700159 (accessed 2026-10-19).