Hardware Spec Index

Brontix FN-4665 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4665-ULTRA · Released 2026 · Updated 2026-10-20

Key facts

Benchmark index206 (Case Fans scale)
Category rank#9,346
Street price$9
Power3 W
Performance per dollar22.89
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4665 Ultra
Size120 × 120 × 25 mm
Speed300–2,200 RPM (PWM)
Airflow74.8 CFM
Static pressure2.42 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-4665 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/20081249 (accessed 2026-10-20).