Hardware Spec Index

Brontix FN-9989 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9989-PRIME · Released 2024 · Updated 2026-10-23

Key facts

Benchmark index440 (Case Fans scale)
Category rank#27,855
Street price$9
Power4 W
Performance per dollar48.89
Released2024

Specifications

BrandBrontix
ModelBrontix FN-9989 Prime
Size120 × 120 × 25 mm
Speed400–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9989 Prime 120mm PWM Case Fan”, https://vextor7.com/item/91365572 (accessed 2026-10-23).