I currently have a 650 watt power supply and I'm planning to upgrade from a 2060 Super (which uses around 170 watts) to an RX 9070 XT that consumes about 300 watts. PCPartPicker estimates my total power draw at 500 watts. How accurate is that?
2 Answers
Yeah, PCPartPicker's estimates can be reliable, but you should add up every component's wattage. For instance, you've got 32GB of RAM which pulls around 29 watts, and typical motherboards can use about 70 watts. All these add up quickly. If you're really close to that 650 watt mark, it might be worth considering a higher wattage PSU to avoid any issues down the line.
First off, what's your CPU? That can significantly impact your total power draw. If you're using an AMD Ryzen 9 5900X, that's already adding 105 watts. Also, consider all the components in your system—RAM, motherboard, and any additional peripherals. It's a good rule of thumb to add about 20% more than the total wattage you calculate to ensure stability. Personally, I went with a 1000 watt power supply just to be safe and future-proof my setup.
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