''Please try to keep things in alphabetical order.''
* [[Advanced Memory Systems]] AMX Mouse
* Amstrad CTM 640 Color Monitor
* Amstrad CTM 644 Color Monitor
* Amstrad [[MP-3]] TV modulator for CTM 64x
* Amstrad [[SSA-1]] Speech Synthesizer
* [[AMX]] Mouse
* ARA digitizer
* [[ASS]] Light-Pen