A computer whose cyberpunk aesthetic and retro-style form factor are more characteristic than the features it provides. Even so, most can be used as a portable pc if accomodated. See this gallery in DDG: https://duckduckgo.com/?q=cyberdeck&t=fpas&iax=images&ia=images
They are cool pieces of technology to build and, I guess, use up to some point when you'd be better off with an actual laptop. Still perfect for people who live in the terminal, though!