850w

I’m currently looking at a new build. Motherboard, PSU and Memory is now alien to me 12 years later. Currently i7 2600k and Vega 56 build. I’m thinking of a 5900x and a 3080 or up card. I was looking at 850W and hoped this would be sufficient to future proof. I will only ever run one Graphics...

I ordered an EVGA Supernova G5 850W and it came with a North American C13 cable. Is it as simple as just buying a new C13 with a UK plug on the end and using that instead? AC input on the PSU label is 100-240V, 60/50Hz so that makes universal right? I feel like I'm being really stupid, but...