== Extended-Standard Expansions ==
* [[Gemini]] (Shinra - PulkoTronics) - compatible with standard 512 Kbyte expansion (plus extra extended-standard 512 Kbyte), also handles special case for Amstrad Plus ASIC
* [[RAM7 2MB memory expansion]] ([[RAM7]]) - compatible with standard 512 Kbyte expansion (plus extra extended-standard 1.5 MBbyte)
* [[CPC4MB]] ([[Yarek]]) (DIY) - compatible with standard 512 Kbyte expansion (plus extra extended-standard 3.5 MBbyte)