iPad mini 4 space gray 128gb

You have an iPad mini 4th generation (Wi-Fi only)

MK9N2LL/A is a 128 GB Space Gray model.

It has an A8 processor with 2 GB RAM

What else do you need to know?

Clippie wrote:

how can I tell if it has been refurbished?

That iPad is not one of them.

If it's refurbished, you'll have a different model number.

You're welcome.