Hardware Spec Index

Brontix FN-6977 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6977-PRO · Released 2021 · Updated 2026-10-22

Key facts

Benchmark index893 (Case Fans scale)
Category rank#13,913
Street price$29
Power2 W
Performance per dollar30.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-6977 Pro
Size140 × 140 × 25 mm
Speed200–1,400 RPM (PWM)
Airflow67.2 CFM
Static pressure1.33 mmH₂O
Noise34 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6977 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/10109583 (accessed 2026-10-22).