Hardware Spec Index

Brontix FN-9989 Prime 120mm PWM Case Fan

Case Fans · Brontix · SKU FN9989-PRIME · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index326 (Case Fans scale)
Category rank#28,004
Street price$9
Power4 W
Performance per dollar36.22
Released2019

Specifications

BrandBrontix
ModelBrontix FN-9989 Prime
Size120 × 120 × 25 mm
Speed500–2,500 RPM (PWM)
Airflow85.0 CFM
Static pressure2.75 mmH₂O
Noise33 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9989 Prime 120mm PWM Case Fan”, https://vextor7.com/item/58776763 (accessed 2026-10-20).