Hardware Spec Index

Brontix FN-4643 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4643-PRIME · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index1,279 (Case Fans scale)
Category rank#13,473
Street price$49
Power3 W
Performance per dollar26.10
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4643 Prime
Size120 × 120 × 25 mm
Speed400–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 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-4643 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/12466531 (accessed 2026-10-24).