psp-chd-zstd-redump-part1 directory listing - Internet Archive
CHD is a compression format originally created for the MAME arcade emulator. It is increasingly preferred over the older CSO (Compressed ISO) format for several reasons: psp chd internet archive extra quality
: The use of the ZSTD (Zstandard) algorithm in these files often results in smaller file sizes than standard Gzip-based CHDs or CSOs, typically achieving over 50% compression ratios compared to raw ISOs. psp chd internet archive extra quality