![Instructions: How to calculate the power supply unit (PSU) wattage. How much does the graphics card, processor and other computer components consume Instructions: How to calculate the power supply unit (PSU) wattage. How much does the graphics card, processor and other computer components consume](https://okeygeek.com/wp-content/uploads/2018/05/Image-2478.png)
Instructions: How to calculate the power supply unit (PSU) wattage. How much does the graphics card, processor and other computer components consume
![FYI, the outervision PSU calculator already has the RTX 3000 series cards in it, making it easier to calculate which PSU you'll need : r/pcmasterrace FYI, the outervision PSU calculator already has the RTX 3000 series cards in it, making it easier to calculate which PSU you'll need : r/pcmasterrace](https://preview.redd.it/nbl4lwkmjmk51.jpg?auto=webp&s=f11b3bd4abf5a93e97e75ae2e6bfbae3a4407574)
FYI, the outervision PSU calculator already has the RTX 3000 series cards in it, making it easier to calculate which PSU you'll need : r/pcmasterrace
![If Outervision PSU Calculator recommends me only 450W for RTX 2080, why does NVIDIA recommend 650W (minimum) for 2080? : r/buildapc If Outervision PSU Calculator recommends me only 450W for RTX 2080, why does NVIDIA recommend 650W (minimum) for 2080? : r/buildapc](https://external-preview.redd.it/_kkIau9LBzaqg3HT3Svbi69UYO_GYHfdHqExSMfIrV0.png?auto=webp&s=60054e6a75cb4ffcde117e9f220cd0d296319b1c)
If Outervision PSU Calculator recommends me only 450W for RTX 2080, why does NVIDIA recommend 650W (minimum) for 2080? : r/buildapc
![If you max out the number of graphics cards in the outervision psu calculator, it recommends Tony Stark's arc reactor to power it : r/pcmasterrace If you max out the number of graphics cards in the outervision psu calculator, it recommends Tony Stark's arc reactor to power it : r/pcmasterrace](https://preview.redd.it/f9o9q8y4csxz.png?auto=webp&s=eed066f67146bbd2bf816fde80a7a99f4f108866)