Hardware Spec Index

Brontix FN-6977 Pro 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN6977-PRO · Released 2022 · Updated 2026-10-21

Key facts

Benchmark index1,173 (Case Fans scale)
Category rank#27,315
Street price$39
Power4 W
Performance per dollar30.08
Released2022

Specifications

BrandBrontix
ModelBrontix FN-6977 Pro
Size140 × 140 × 25 mm
Speed300–3,000 RPM (PWM)
Airflow144.0 CFM
Static pressure2.85 mmH₂O
Noise34 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-6977 Pro 140mm PWM ARGB Case Fan”, https://vextor7.com/item/598662 (accessed 2026-10-21).