dell 8700 installing a SSD

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I just got a dell xps 8700, last month was unable to use it yet because I need to get a monitor so the PC still in the box.

My question is I want to remove the primary hard disk, and install a SSD in there or I have to install someone else?.

The SSD will be a Samsung 2TB 850, not sure if the Evo or Pro, probably the Evo since the pro is to expensive,

Any options, suggestions’ etc.