The MSI RTX 5090 Gaming Trio OC features 32GB of GDDR7 memory and supports HDCP 2.3 for content protection.It requires approximately 450 watts of power, emphasizing the need for a reliable power supply.Selecting a suitable power supply is crucial for optimal performance and system stability.A PSU with a wattage of at least 850 watts is recommended for peak performance.Efficiency ratings such as 80 Plus Gold or Platinum help reduce heat generation and energy costs.Confirming compatibility with power connectors like 8-pin PCIe is essential when choosing a PSU.Recommended PSUs include EVGA SuperNOVA 750 G5, Corsair RM850x, and Seasonic Prime TX-1000.Proper cable management and ensuring adequate airflow are crucial during PSU installation.Check connections and troubleshoot if encountering power issues post-installation for system stability.Following these guidelines will contribute to an enhanced gaming experience with the MSI RTX 5090 Gaming Trio OC.