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![foone on Twitter: "So all official Sony Playstation 1 memory cards are the same size: 15 "blocks". Sony doesn't document how big a block is in terms of bytes, but this tells foone on Twitter: "So all official Sony Playstation 1 memory cards are the same size: 15 "blocks". Sony doesn't document how big a block is in terms of bytes, but this tells](https://pbs.twimg.com/media/D7XWilaVUAAPXYH.jpg)
foone on Twitter: "So all official Sony Playstation 1 memory cards are the same size: 15 "blocks". Sony doesn't document how big a block is in terms of bytes, but this tells
![Playstation 1 Memory Card Manager using the official Playstation 3 Memory Card USB Adaptor - PlayStation Development Network Playstation 1 Memory Card Manager using the official Playstation 3 Memory Card USB Adaptor - PlayStation Development Network](http://onorisoft.free.fr/psx/ps1mcman.png)