Hardware Spec Index

Brontix FN-1851 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN1851-XT · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index779 (Case Fans scale)
Category rank#18,884
Street price$19
Power4 W
Performance per dollar41.00
Released2025

Specifications

BrandBrontix
ModelBrontix FN-1851 XT
Size140 × 140 × 25 mm
Speed200–2,900 RPM (PWM)
Airflow139.2 CFM
Static pressure2.75 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-1851 XT 140mm PWM Case Fan”, https://vextor7.com/item/7699052 (accessed 2026-10-21).