* [[CPC-IDE]] (modern) (discontinued prototype)
* [[Dobbertin Harddisc]] ([[Dobbertin]])
* [[IDE8255]] internal/extrernal IDE/CF interface([[Yarek]])
* [[SYMBiFACE II]] (modern) (IDE and various other features)
* [[Vortex Winchester Drive]] ([[Vortex Computersysteme|Vortex]])
* ([[Standard Memory Expansions]])
* [[CPC4MB| CPC4MB - 4 MB memory expansion]]([[Yarek]])
* [[c't 512 KB internal RAM expansion]] (DIY) (c't magazine)
* [[Data Media Memory Expansion]] ([[Data Media]])
* [[SYMBiFACE II]]
* [[CPCMax!]]
* [[CPCISA by Yarek]]([[Yarek]])
* [[CPCX]]
* [[Full Expandable Interface]] ([[Timatic Systems]])
* Amstrad Expansion System Part 2 ([[Maplin]]) - appeared in Project book 19 (for Part 1 see [[Maplin ROM Box]])
* [[Amstrad CT-1 Radio/Alarm-Clock]] ([[Amstrad]])
* [[CPCISA by Yarek|CPCISA]]([[Yarek]])
* [[Data Media Printerinterface]] (printer splitter for connecting 2 or 3 software-selectable printers to the CPC) ([[Data Media]])
* [[DCP Interpacks]] (DCP Microdevelopments)