Hardware Spec Index

Brontix FN-3977 XT 140mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3977-XT · Released 2022 · Updated 2026-10-20

Key facts

Benchmark index1,315 (Case Fans scale)
Category rank#33,665
Street price$39
Power4 W
Performance per dollar33.72
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3977 XT
Size140 × 140 × 25 mm
Speed500–2,600 RPM (PWM)
Airflow124.8 CFM
Static pressure2.47 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3977 XT 140mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/60005788 (accessed 2026-10-20).