Hardware Spec Index

Brontix FN-3658 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3658-PRIME · Released 2025 · Updated 2026-10-21

Key facts

Benchmark index1,251 (Case Fans scale)
Category rank#37,843
Street price$49
Power4 W
Performance per dollar25.53
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3658 Prime
Size120 × 120 × 25 mm
Speed500–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise24 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3658 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/20187121 (accessed 2026-10-21).