Hi there @tdeey , Before we can discuss what power supply you would like to purchase we need to determine the reason that it would need to be upgraded. Whilst it may seem that upgrading your graphics card would need you to increase your power input this is not always the case as modern graphics cards are getting more power efficient than older ones. Your current power supply is handing out around 450W. Using the website I have linked below can be a great way to work out how many watts your device should need. https://www.newegg.com/tools/power-supply-calculator/
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