Hardware Spec Index

Brontix FN-9988 XT 140mm PWM Case Fan

Case Fans · Brontix · SKU FN9988-XT · Released 2023 · Updated 2026-10-21

Key facts

Benchmark index653 (Case Fans scale)
Category rank#8,631
Street price$19
Power3 W
Performance per dollar34.37
Released2023

Specifications

BrandBrontix
ModelBrontix FN-9988 XT
Size140 × 140 × 25 mm
Speed300–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9988 XT 140mm PWM Case Fan”, https://vextor7.com/item/5325821 (accessed 2026-10-21).