Yeap, they are prebuilt.
Thank you for your answer.
I've just purchased the monitor! :D it was on sale, 1ms, 165hz.
Unfortunatelly, it's prebuilt.
They are prebuilt so I have to go with the options... :/ I also think the ssd is too small, but i also have an external seagate hhd 4T. I hope it...