Hardware Spec Index

Brontix FN-7731 XT 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN7731-XT · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index941 (Case Fans scale)
Category rank#38,362
Street price$29
Power3 W
Performance per dollar32.45
Released2019

Specifications

BrandBrontix
ModelBrontix FN-7731 XT
Size140 × 140 × 25 mm
Speed400–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise31 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-7731 XT 140mm PWM ARGB Case Fan”, https://vextor7.com/item/75535167 (accessed 2026-10-24).