Hardware Spec Index

Brontix FN-7831 Pro 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7831-PRO · Released 2019 · Updated 2026-10-27

Key facts

Benchmark index694 (Case Fans scale)
Category rank#28,311
Street price$19
Power3 W
Performance per dollar36.53
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7831 Pro
Size140 × 140 × 25 mm
Speed400–1,900 RPM (PWM)
Airflow91.2 CFM
Static pressure1.80 mmH₂O
Noise25 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7831 Pro 140mm PWM Case Fan”, https://vextor7.com/item/42398745 (accessed 2026-10-27).