It's with ample RAM and the latest Intel CPU. Assuming the whole thing draws 100W, that's also including 72kWh of electricity.
It is, with ample RAM and the latest CPU.
Contractions can be used in any position in a sentence; however, homophone contractions such as "it's" and "they're" sound better when followed by another word or phrase. The reason is that the sounds of "its" and "it's" and "they're" and "their" are so similar that they can be confusing unless they are used with the context of an additional word.
"Are you waiting for someone?"
"Yes, I'm."
Q. Is it good for training?
A. It's with ample RAM and the latest Intel CPU.
vs Q. Is it good for training?
A. It is with ample RAM and the latest Intel CPU."It is with great pleasure..."
Probably better to reorganise it as "With ample ram [...], it is."