PSU recommendation/adivice/opinion - Power Supplies - Linus Tech Tips

Hello guys I need some recommendations or advice regarding what PSU would be good. I'm planning to upgrade my gpu which is a gtx 1080 to something along the lines of a rtx 3080/3080ti or RX 6800XT/7800XT. As of now I have 2 options that I'm looking into which are the MSI MPG A1000G ATX 3.0 or the

CORSAIR RM Series (2021), White, RM850, 850 Watt, 80 Plus Gold Certified, Fully Modular Power Supply : Electronics

SilverStone Technology 550W Computer Power Supply PSU Fully Modular with 80 Plus Gold & 140mm Design Power Supply (SST-ST55F-GS) : Electronics

All of this. - Power Supplies - Linus Tech Tips

Gamers Nexus details the problems with Linus Tech Tips - LTT responds

MSI MPG A1000G PCIE5 Power Supply Preview - ATX 3.0, PCIe 5.0, and 80 Plus Gold Certified PSU

The specs seem good but it only has a 500 watt power supply. Would this be an issue? (Friend wants to buy his son a gaming pc, building not an option)

Review Request] DC-DC Power Supply Test Board : r/PrintedCircuitBoard

Is this a good power supply? : r/PcBuild

THIS is a power supply??

Did just suggest my new PSU for the Old Game PC=New Server? Maybe I'm dumb, but this is new to me. : r/homelab

EOL] PSU Tier List rev. 14.8 - Page 217 - Power Supplies - Linus Tech Tips

Any better PSU for the money than a CX650M for this build? (Europe) - Power Supplies - Linus Tech Tips

DO YOU KNOW How to Choose a POWER SUPPLY for Your MUSIC PC? - 5 Key Steps

Does any of you guys heard of this PSU brand before ? MYIHAJA : r/sffpc