Hardware Spec Index

Brontix FN-7231 Ultra 140mm PWM Case Fan

Case Fans · Brontix · SKU FN7231-ULTRA · Released 2025 · Updated 2026-10-25

Key facts

Benchmark index368 (Case Fans scale)
Category rank#17,683
Street price$19
Power3 W
Performance per dollar19.37
Released2025

Specifications

BrandBrontix
ModelBrontix FN-7231 Ultra
Size140 × 140 × 25 mm
Speed500–1,500 RPM (PWM)
Airflow72.0 CFM
Static pressure1.43 mmH₂O
Noise34 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7231 Ultra 140mm PWM Case Fan”, https://vextor7.com/item/89939432 (accessed 2026-10-25).