@TravisTea
Here's a motherboard on ebay you can see what it looks like: https://www.ebay.com/p/1307551890
Here's the pc specifications where it says what stuff came with those hp's prebuilt: https://support.hp.com/za-en/document/c03382665
The psu isn't upgradable unless you get a 24 pin to 6 pin adapter. But the original 320w one is just fine, as some of these hp's came prebuilt with the i5 3570 and the 750 ti doesn't need much power to work. I don't need the cpu just yet but i want to be sure for the future. I'll only be getting the gpu for now.