Hardware Spec Index

Brontix FN-3977 Core 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3977-CORE · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index774 (Case Fans scale)
Category rank#6,071
Street price$29
Power3 W
Performance per dollar26.69
Released2022

Specifications

BrandBrontix
ModelBrontix FN-3977 Core
Size120 × 120 × 25 mm
Speed200–2,100 RPM (PWM)
Airflow71.4 CFM
Static pressure2.31 mmH₂O
Noise23 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3977 Core 120mm PWM ARGB Case Fan”, https://vextor7.com/item/16280673 (accessed 2026-10-23).