woocommerce product add on options

I have a Woocommerce based website selling IT hardware components. I now want to start selling servers while giving customers option to add multiple components to the servers – that way we can customize these servers for customers. So an example would be: customer wants server “S” with 4pc 4TB hard drives, and upgraded 16gb memory, then they would have option on the server page to make selections and purchase that. Can you please let me know if you have a plugin for this or is there something of this type available? It needs to be simple and effective, as most our customers know exactly what they want – so it does not have to be visual.