Upgrading My PC: Where Do I Start?

If you're going for upgrades around that budget, a new GPU is definitely the priority. Look for cards like the RX 9070 or RTX 5070, which should fit your needs quite well. While adding RAM might be beneficial later on, it's better to hold off on that for now since your CPU is starting to show its age. You might want to consider upgrading it down the line after getting a new GPU.

Your 16GB of RAM should be fine for most games unless you're modding heavily. Since you're using a 1080p monitor, your main issue is likely with the GPU. I recommend focusing on a new graphics card since that's where you'll see the most improvement. Just keep in mind that your current 550W PSU could be a limitation for higher-end GPUs, as some require more power. You should check what type of GPU you're looking at and whether your PSU can handle it without any issues.

Just make sure your PSU can support whatever graphics card you end up choosing; a lot of them recommend at least a 650W PSU. However, with a mid-range card, you may be fine sticking with your 550W PSUs. Always check the specific PSU requirements listed for the GPU. If you decide to replace your PSU, ensure it fits your new GPU in terms of connectors and power requirements, but most standard PSUs should work. Happy upgrading!