. While ISOs were the long-standing standard for years, CHD is increasingly considered the "better" option for modern emulation and long-term storage. Why CHD is Superior to ISO and CSO
psp-chd-zstd-redump-part1 directory listing - Internet Archive
| Format | Size | Load Time (PPSSPP) | Stuttering (Audio) | Verifiability | | :--- | :--- | :--- | :--- | :--- | | | 1.4 GB | 4.2 seconds | None | Poor (No hash) | | CSO (Lv9) | 780 MB | 5.8 seconds | Occasional | Poor | | CHD (v5) | 610 MB | 3.9 seconds | None | Excellent (SHA-1) |