Hardware Spec Index

Brontix FN-4856 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4856-XT · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index578 (Case Fans scale)
Category rank#13,123
Street price$19
Power4 W
Performance per dollar30.42
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4856 XT
Size120 × 120 × 25 mm
Speed200–3,000 RPM (PWM)
Airflow102.0 CFM
Static pressure3.30 mmH₂O
Noise22 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4856 XT 120mm PWM Case Fan”, https://vextor7.com/item/2767401 (accessed 2026-10-24).