Intel Core Ultra 9 285K cooling testing: How much does it take to keep Arrow Lake cool in MSI's MPG Gungnir 300R Airflow PC Case? from Tomshardware on 2024-10-30 16:33 (#6RVS1) We tested Intel's Core Ultra 9 285K in MSI's MPG Gungnir 300R Computer Case to determine what coolers are best paired with Intel's new Ultra 9 CPU.