Raspberry Pi Pico Replaces PlayStation Memory Card | Hackaday
Polymega - To transfer PS1 saves to POLYMEGA, you can use the Sony Memory Card adapter for PS3 plugged into the USB port of the base unit. | Facebook
PS1 Memory Card Reader from AliExpress : r/psx
For PS1 dedicated memory card reader game record import export tool - AliExpress
Electronic Game Accessories, Hand Made Stable Replacement Memory Card Reader For Mx4Sio Sio2Sd Memory Card Adapter For (Transparent Blue): Amazon.co.uk: Computers & Accessories
PSX Card Reader – scanlime
Ps1 memory card reader tutorial – Bitfunx
PS1 Memory Card Reader from AliExpress : r/psx
Playstation Memory Card (Black) (New) from Aptec - Sony Hardware