Hardware Spec Index

Brontix FN-9939 Prime 120mm PWM ARGB Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9939-PRIME · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index1,298 (Case Fans scale)
Category rank#8,428
Street price$49
Power4 W
Performance per dollar26.49
Released2026

Specifications

BrandBrontix
ModelBrontix FN-9939 Prime
Size120 × 120 × 25 mm
Speed300–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise29 dBA
BearingFluid dynamic bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9939 Prime 120mm PWM ARGB Case Fan (3-Pack)”, https://vextor7.com/item/4126451 (accessed 2026-10-24).