A memory expansion by German manufacturer [[Data Media]]
Expansion is similair to expansions by [[VortexVortex_Computersysteme]]
This device is rare, and not compatible to
== Photos ==
<gallery caption="The Dobbertin Data Media SP64 ram expansion">
Image:Datamedia sp64 1.jpg|Close view
Image:Datamedia sp64 2.jpg|Fitted inside a CPC464