MB: Gigabyte GA-MA790FXT-UD5P, Socket-AM3
CPU: AMD Phenom II X4 955 Black Edition
RAM: Corsair Dominator DDR3 1600MHz 4GB CL9
Additionally i have 2 HDD's (1 sata and 1 IDE) and 1 DVD Burner.
Now I'm about to order a new GPU and was thinking of getting:
MSI GeForce GTX 275 896MB PhysX CUDA.
Now to my question. I'm going to have to buy a new PSU with all this hardware and I have no clue what to get. I would like to buy Corsair Powersupply 450W since it's fairly cheap and i'm not made of money but I'm concerned it might not be enough for my current system. So I've also looked at a Chieftec Super Series PSU 650W Modular PSU.
Wich of these should I get or maybe I'm going to need an even better PSU.
Please give me some guidance regarding this. I would also not mind some respons on my choice of GPU. If it's not the best performance for the amount of money I can spare I would really like to know about it.
Do not get an nVidia GPU with a 790FX board, it kills the main purpose of the 790FX board, 16/16 crossfire, get a 4890 and the OCZ modxstream 500w PSU, its strong enough to power a 4890 but if you decide to crossfire in the future you will need to upgrade to a good 750watt PSU, chieftec does not count as good. Btw for not being made of money you picked some expensive parts.