Hardware Spec Index

Brontix FN-5721 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN5721-PRIME · Released 2019 · Updated 2026-10-24

Key facts

Benchmark index1,127 (Case Fans scale)
Category rank#29,505
Street price$39
Power3 W
Performance per dollar28.90
Released2019

Specifications

BrandBrontix
ModelBrontix FN-5721 Prime
Size120 × 120 × 25 mm
Speed300–1,600 RPM (PWM)
Airflow54.4 CFM
Static pressure1.76 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-5721 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/17587124 (accessed 2026-10-24).