tower is from a model 8920 and motherboard was replaced with a 8930 model and upgraded course with intel 9700k it runs faster and better but when freshly turning on pc it will pop up a message "support assist" showed in the pictures after upgrading motherboard, once you'll click continue it boots normally with no issues it doesn't affect the functionality of pc.
has plenty of storage and a gtx 1060 6gb graphics card installed. motherboard was upgraded to be able to install a better pc processor so it can run windows 11. if you have any more questions feel free to ask.