* [[CPC4MB|CPC4MB - 4 MB memory expansion]] ([[Yarek]])
* [[DIY_Cartridge|DIY Plus Cartridge]] (Bryce)
* [[Multi_Cartridge|Multi-Cartridge]] (Bryce)
* [[Inicron RAM-Box|Inicron RAM-Box]] (Inicron)
* [[Inicron ROM-RAM-Box|Inicron ROM-RAM-Box]] (Inicron)
* [[MITM|Man In The Middle Cartridge]] (Bryce)
* [[MegaROM|MegaROM]] (Bryce)
* [[Multi_Cartridge|Multi-Cartridge]] (Bryce)
* [[Amstrad ROM Expander|Practical Electronics ROMBoard Project]] (Simon Dean)
* [[Ramcard 128]] ([[RAM7]])