Friday night project - another MX4SIO build : r/ps2
PS2 - [MX4SIO/SIO2SD] SD Card Adapter and SD-driver for the PS2 SIO2 interface | PSX-Place
Transparent Portable Card Reader for PS2 MX4SIO SIO2SD Memory Card Adapter US | eBay
Amazon.com: Acogedor for MX4SIO SD Card Adapter, PS2 Game Console Memory Card Adapter Expansion Card for SIO Suitable for PS2 Fat Console , Plug and Play(Transparent White) : Video Games
Mx4sio Sio2sd Sd Card Adapter For Ps2 Playstation 2 + Fortuna Fmcb Card For Ps2 Slim Consoles + Game Card - Accessories - AliExpress
My MX4SIO memory card to micro sd card adapters are coming in nicely! What do y'all think? : r/ps2
Wobbling Pixels on Twitter: "MX4SIO - an option to play your PS2 backups from SD card. Connected via memory card slot it provides higher data rate than usb 1.1 of the PS2(slim).