Question Issues with Gigabyte B550 Arous Master

Jan 22, 2021
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This is regarding Gigabyte B550 Arous Master motherboard

I read lot of buyers reviews of this board with non powering issue and then they had to remove CMOS battery for some time and again install it so that CPU can power on. Is non powering board is really known issue with this board may be because of software controlled dual bios?
Also from buildzoid board review video, he pointed out that software controlled dual bios implementation is really poor and you may face issues with that?
finally will it really degrade pci-express 3.0 card performance for day to day work and casual gaming etc if I populate 2nd or 3rd M2 slot with NVME SSD? (In that case Graphics card will run with 8x mode though I don't overclock and don't play games normally)
If all above facts are true, I probably go for x570-unify boards or may be with B550-Unify to build new system.
Any thoughts / experience would be much appreciated
Thanks
Mahesh