The Wii’s SD card slot is limited to 32 GB (SDHC). A full 4.37 GB ISO eats up 15% of that. By keeping a highly compressed archive on your PC, you can swap games in and out of your SD/USB without keeping massive ISOs lying around.
(e.g., under 500MB). PES 2013 contains a lot of audio and texture data, so a functional version should typically be at least pes 2013 wii iso highly compressed
Wii discs were physically 4.7GB, but many games didn't actually fill that space. Developers filled the empty areas with "padding data." Tools like Wii Backup Manager can "scrub" that junk data away, significantly reducing the file size without losing any game content [1, 3]. The Wii’s SD card slot is limited to 32 GB (SDHC)
