Hardware Spec Index

Brontix FN-3979 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN3979-PRIME · Released 2025 · Updated 2026-10-22

Key facts

Benchmark index559 (Case Fans scale)
Category rank#10,307
Street price$19
Power3 W
Performance per dollar29.42
Released2025

Specifications

BrandBrontix
ModelBrontix FN-3979 Prime
Size120 × 120 × 25 mm
Speed400–2,000 RPM (PWM)
Airflow68.0 CFM
Static pressure2.20 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-3979 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/823543 (accessed 2026-10-22).