I have 1000W version of this PSU and just bought a 4090, but I also bought a Seasonic 12vhpwr cable.
From what I've read, phanteks is basically a rebranded Seasonic. If so would the adapater work?
I understand what you're saying. But I've read and on other PC tech forums people have been saying that the 3090s EAT a lot of power and can spike the power usage to over 1k and trip the PSU and that's why I get these random shut downs while playing games here and there.
FTW3 Ultra 3090.
I'm having issue playing games as sometimes when my GPU is pushing itself my PC turns off randomly and I think it's my PSU, so I want to buy a 1200.