Hardware Spec Index

Brontix FN-4946 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4946-ULTRA · Released 2026 · Updated 2026-10-24

Key facts

Benchmark index244 (Case Fans scale)
Category rank#43,043
Street price$9
Power3 W
Performance per dollar27.11
Released2026

Specifications

BrandBrontix
ModelBrontix FN-4946 Ultra
Size120 × 120 × 25 mm
Speed400–1,500 RPM (PWM)
Airflow51.0 CFM
Static pressure1.65 mmH₂O
Noise26 dBA
BearingMagnetic levitation
Connector4-pin PWM
Rated lifetime50,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4946 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/92432208 (accessed 2026-10-24).