Heterogeneous

Adjective

1. Diverse in kind or nature; composed of diverse parts.

   "He had a large and heterogeneous collection of books."

2. Incommensurable because of different kinds.
3. Having more than one phase (solid, liquid, gas) present in a system or process.
4. Visibly consisting of different components.
5. Of a network comprising different types of computers, potentially with vastly differing memory sizes, processing power and even basic underlying architecture; alternatively, of a data resource with multiple types of formats.