Hardware Spec Index

Brontix FN-4989 Ultra 140mm PWM ARGB Case Fan

Case Fans · Brontix · SKU FN4989-ULTRA · Released 2019 · Updated 2026-10-20

Key facts

Benchmark index1,143 (Case Fans scale)
Category rank#36,344
Street price$39
Power3 W
Performance per dollar29.31
Released2019

Specifications

BrandBrontix
ModelBrontix FN-4989 Ultra
Size140 × 140 × 25 mm
Speed500–1,600 RPM (PWM)
Airflow76.8 CFM
Static pressure1.52 mmH₂O
Noise36 dBA
BearingRifle bearing
Connector4-pin PWM + 3-pin 5V ARGB
Rated lifetime100,000 hours

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Cite this page: Hardware Spec Index, “Brontix FN-4989 Ultra 140mm PWM ARGB Case Fan”, https://vextor7.com/item/6284845 (accessed 2026-10-20).