Hardware Spec Index

Brontix FN-4705 Prime 120mm PWM Case Fan (3-Pack)

Case Fans · Brontix · SKU FN4705-PRIME · Released 2023 · Updated 2026-10-27

Key facts

Benchmark index411 (Case Fans scale)
Category rank#15,057
Street price$19
Power3 W
Performance per dollar21.63
Released2023

Specifications

BrandBrontix
ModelBrontix FN-4705 Prime
Size120 × 120 × 25 mm
Speed200–1,800 RPM (PWM)
Airflow61.2 CFM
Static pressure1.98 mmH₂O
Noise35 dBA
BearingFluid dynamic bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4705 Prime 120mm PWM Case Fan (3-Pack)”, https://vextor7.com/item/93359013 (accessed 2026-10-27).