430cx HELP ME!

[jalacore]

My spec is i5 3570k,
8gb ram
corsair 430cx
1tb
ASUSTeK COMPUTER INC. H61M-F

can i use an r9 280x or a hd 7970 or do i need to upgrade psu. I am on very tight budget so i need to know! Many thanks

 

[Tradesman1]

Will want a good 550 for either, and don't get another CX model, those use cheap caps.