Hardware Spec Index

Brontix FN-9770 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN9770-PRIME · Released 2020 · Updated 2026-10-23

Key facts

Benchmark index576 (Case Fans scale)
Category rank#6,936
Street price$19
Power4 W
Performance per dollar30.32
Released2020

Specifications

BrandBrontix
ModelBrontix FN-9770 Prime
Size120 × 120 × 25 mm
Speed400–2,700 RPM (PWM)
Airflow91.8 CFM
Static pressure2.97 mmH₂O
Noise32 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-9770 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/4729644 (accessed 2026-10-23).