For the xbox360 corona/trinity motherboards
Hello,
Thank you for your post.
Those are ceramic capacitors. We would have no way of identifying those part numbers or values without measurements or a schematic of the board.
https://xbox360hub.com/wp-content/uploads/2021/06/Xbox_360_Corona_Schematic.pdf
I found a schematic for the Xbox360, all I know is that it pertained the cpu
Just skimming through that document, it looks like the most common cap by quite a bit are the 0.1uF 6.3V 10% tolerance X5R 0402 size ceramic caps.
The next most common are the physically larger 4.7uF 6.3V 10% tolerance X5R 0603 size ceramic caps.