Hardware Spec Index

Brontix FN-2857 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN2857-ULTRA · Released 2022 · Updated 2026-10-22

Key facts

Benchmark index473 (Case Fans scale)
Category rank#12,611
Street price$19
Power3 W
Performance per dollar24.89
Released2022

Specifications

BrandBrontix
ModelBrontix FN-2857 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise24 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-2857 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/967396 (accessed 2026-10-22).