I have a dell 9020 mini tower and I'm thinking about upgrading the graphics card and 290 watt power supply. I know I need a 24 Pin to 8 Pin Adapter for a bigger psu. What are some good power supplies that I could place in the case? <----Only ones that have sata power cables on them) Also what are some good graphics cards that can physically fit in this case without issue? I know there are low profile cards but I am looking for something more powerful. Please let me know and thank you