Dreamcast Cdi Archive | Sega

So, is the still relevant?

Modern Dreamcast emulators—such as Flycast, Redream, and Demul—have excellent compatibility with CDI files. While GDI files are preferred for absolute accuracy, CDI files are significantly smaller in file size, making them ideal for gamers with limited storage space on their PCs, Steam Decks, or Android emulation devices. 3. Homebrew and Indie Games sega dreamcast cdi archive