any cheap alternative

[multimzain]

iam willing to buy a cheap gaming pc and here are my parts :
cpu : amd phenom II x4 955
gpu : sapphire hd 7850
Ram : 8gb kingston
hdd : 1 tb western digital

is there any cheaper alternatives for them with the same or higher power ? thank you

 

[ksham]

How much are each component? And what PSU is it using?