These allow you to use a microSD cards in the memory card slot with a FreeMCBoot setup using the latest version of OPL. You can then install your games onto the SD card using OPL manager on a computer.

• These DO NOT allow you to use a microSD card as a standard memory card in your PS2.
• This is faster than using a USB drive on USB1.1 ports on the PS2.
• These cards can be picky with what SD cards they use so we recommend to purchase the ones we have listed which we have confirmed work correctly.
• You need to be using one of the latest versions of Open PS2 Loader so if you have an older FreeMcBoot card you may need to update your OPL version.
• Currently not all games are compatible with the MX4SIO