Hardware Spec Index

Brontix FN-6991 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN6991-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index950 (Case Fans scale)
Category rank#10,989
Street price$29
Power4 W
Performance per dollar32.76
Released2023

Specifications

BrandBrontix
ModelBrontix FN-6991 XT
Size140 × 140 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow129.6 CFM
Static pressure2.56 mmH₂O
Noise23 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6991 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/1697264 (accessed 2026-10-21).