Hardware Spec Index

Brontix FN-3997 XT 120mm PWM Case Fan

Case Fans · Brontix · SKU FN3997-XT · Released 2019 · Updated 2026-10-21

Key facts

Benchmark index449 (Case Fans scale)
Category rank#32,092
Street price$19
Power4 W
Performance per dollar23.63
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3997 XT
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise28 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3997 XT 120mm PWM Case Fan”, https://vextor7.com/item/8575162 (accessed 2026-10-21).