Hardware Spec Index

Brontix FN-4923 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4923-ULTRA · Released 2021 · Updated 2026-10-24

Key facts

Benchmark index835 (Case Fans scale)
Category rank#20,576
Street price$29
Power3 W
Performance per dollar28.79
Released2021

Specifications

BrandBrontix
ModelBrontix FN-4923 Ultra
Size140 × 140 × 25 mm
Speed500–1,800 RPM (PWM)
Airflow86.4 CFM
Static pressure1.71 mmH₂O
Noise30 dBA
BearingMagnetic levitation
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4923 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/1283113 (accessed 2026-10-24).