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hi i want to build a mining rig and i have a question this psu 800w is good i wil buy 2x https://www.amazon.fr/gp/product/B01LNLZ0MM/ref=ox_sc_act_title_4?smid=AQP7R8I425XNQ&psc=1I would not use that power supply.
I am new to this but I don't think you actually need to supply the maximum power the GPU requires.. My knowledge is that people run 6-8 GPUs on 1 power supply. Usually they are 500+ W GPUs and I am not personally, though I am no pro, aware of any PSUs in the 2K-4.8K rangeOne R9 295X2 actually draws 500W+ by itself, not including system power. The RX 470 will not draw 225W, it will be closer to 150W or less as it's rated at 110W TDP with a max of 225W.