The most reliable source for high-resolution backgrounds is the official page. They offer several categories of content:

: Featuring the classic Chimera logo in various colors and digital art styles. Available in 3840x2160 (4K), 2560x1440 (2K), and 1920x1080.

: Search for "iBUYPOWER" in the Steam Workshop to find animated/moving versions of the logo and branding.

Official and community-designed iBUYPOWER backgrounds are available in various resolutions, from standard 1080p to 4K UHD. Official iBUYPOWER Wallpapers

For unique or animated styles, you can find iBUYPOWER-themed content on these platforms:

Navigate to C:\Windows\Web\Wallpaper or look for a folder named within the Web directory.