Hardware Spec Index

Brontix FN-4720 Ultra 120mm PWM Case Fan

Case Fans · Brontix · SKU FN4720-ULTRA · Released 2021 · Updated 2026-10-21

Key facts

Benchmark index582 (Case Fans scale)
Category rank#22,833
Street price$19
Power2 W
Performance per dollar30.63
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4720 Ultra
Size120 × 120 × 25 mm
Speed500–1,400 RPM (PWM)
Airflow47.6 CFM
Static pressure1.54 mmH₂O
Noise22 dBA
BearingRifle bearing
Connector4-pin PWM
Rated lifetime150,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4720 Ultra 120mm PWM Case Fan”, https://vextor7.com/item/451579 (accessed 2026-10-21).