Is this a good gaming computer?

Here is the specifications: Ram: 8 gb Ram type: DDR3 Intel Core i7 3.40 GHz 2 terabyte harddisk Nvidia geforce 550 gtx graphic card 4 cores

It is a pre-built computer

I could provide some more info it is needed. I don´t know that much about these things and would like some help.

Aprreciate every help I can get :)