Hardware Spec Index

Brontix FN-3791 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN3791-PRIME · Released 2019 · Updated 2026-10-23

Key facts

Benchmark index804 (Case Fans scale)
Category rank#42,072
Street price$29
Power2 W
Performance per dollar27.72
Released2019

Specifications

BrandBrontix
ModelBrontix FN-3791 Prime
Size120 × 120 × 25 mm
Speed300–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise24 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-3791 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1127750 (accessed 2026-10-23).