For the Sega Saturn, converting a standard BIN/CUE to CHD saves roughly without affecting load times or performance. A 650MB game like Panzer Dragoon Saga can shrink to under 300MB.
When searching for "Sega Saturn CHD ROMs top" collections on archive sites, look for "TOSEC" sets (The Old School Emulation Center). They usually provide verified .cue files that convert perfectly to .chd without CRC errors. Ready to play? Fire up RetroArch, load your shiny new CHD file, and experience the 32-bit powerhouse that time nearly forgot. sega saturn chd roms top
But there is a catch: the file size.