Hardware Spec Index

Brontix FN-5781 Prime 120mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN5781-PRIME · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index1,343 (Case Fans scale)
Category rank#35,134
Street price$49
Power4 W
Performance per dollar27.41
Released2026

Specifications

BrandBrontix
ModelBrontix FN-5781 Prime
Size120 × 120 × 25 mm
Speed500–2,900 RPM (PWM)
Airflow98.6 CFM
Static pressure3.19 mmH₂O
Noise33 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-5781 Prime 120mm PWM ARGB Case Fan”, https://vextor7.com/item/1633656 (accessed 2026-10-20).