Hardware Spec Index

Brontix FN-3857 Core 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3857-CORE · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index456 (Case Fans scale)
Category rank#36,222
Street price$19
Power4 W
Performance per dollar24.00
Released2024

Specifications

BrandBrontix
ModelBrontix FN-3857 Core
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise29 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3857 Core 120mm PWM Case Fan”, https://vextor7.com/item/5312925 (accessed 2026-10-23).