Hardware Spec Index

Brontix FN-9970 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9970-PRIME · Released 2022 · Updated 2026-10-23

Key facts

Benchmark index388 (Case Fans scale)
Category rank#40,598
Street price$19
Power4 W
Performance per dollar20.42
Released2022

Specifications

BrandBrontix
ModelBrontix FN-9970 Prime
Size120 × 120 × 25 mm
Speed300–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9970 Prime 120mm PWM Case Fan”, https://vextor7.com/item/10246481 (accessed 2026-10-23).