*[[RAM7 2MB memory expansion|RAM7's RAM expansion]] (up to 2 MB)
*[[CPC4MB|Jareks 4 MB RAM expansion]] up to 4 MB
*[[X-MEM]]
*[[Y-MEM]]
'''Real-Time-Clocks'''
'''Sound and Music<br>'''
*[[CTC-AY SDK main fr|CTC-AY]] aka [[PlayCity]]
*[[Digiblaster]]
*[[FuturePlayer]]for MP3 samples up to 128 KB
*[[Soundplayer]]
'''Networking'''
*[[CPC Booster]]+and TotO's MiniBooster
*[[Virtual Net 96]]
*Amstrad / Pace Z80-SIO Interface