I'm going to buy R9 280x, will it go well on PCIE 2.0 ASUS mobo?

[nVidea]

I'm going to buy R9 280x. My mobo is Asus m5a75(or 78) MLX. It has PCIE 2.0
My CPU is AMD Athlon 2 X3 450 overclocked to Phenom x4 3.2 ghz.
4 GB kingston RAM
My current PSU is low on watts http://postimg.org/image/gbul1wi39/ I don't know what watts exact it is.

Anyway, I'm going to buy FSP 600 watts. Do you think I need to buy 700 watts?

My main question is, can I play BF 4 and COD GHOSTS with my current system, replace my gpu and psu to 280x and FSP 600 watts?

Because I tried playing BF 3 and Ghost Recon when I used palit gtx 650 ti 2gb using my current system. (unfortunately my GTX 650 broke down). It played decently.

I'm going to buy newer ASUS mobo and i5, several months after I buy gpu and psu. What do you think?

 

[LookItsRain]

IIRC some fsp psus are junk, i suggest getting a better brand atleast 550w. Pcie 2.0 will work fine

 

[nVidea]

IIRC some fsp psus are junk, i suggest getting a better brand atleast 550w. Pcie 2.0 will work fine

How do you tell that FSP are junk? How about the Coolermaster?

 

[kunthakenthe]

it probably will be bottlenecked by your cpu. A 750w is on sale for 50$ with 10yr warranty. fsp does suck.

http://www.tomshardware.co.uk/answers/id-1804779/power-supply-unit-tier-list.html

pci-e 3.0 cards are backward compatible with 2.0/1.0 (1.0 will bottleneck, 2.0 isnt even pushed to its limits yet it will work just the same.)

 

[nVidea]

it probably will be bottlenecked by your cpu. A 750w is on sale for 50$ with 10yr warranty. fsp does suck.

http://www.tomshardware.co.uk/answers/id-1804779/power-supply-unit-tier-list.html

pci-e 3.0 cards are backward compatible with 2.0/1.0 (1.0 will bottleneck, 2.0 isnt even pushed to its limits yet it will work just the same.)

I see. Well what specific model and brand do you recommend for me to supply the following specs:
Any intel i5 3rd/4th gen
Asus m78a mobo
R9 280x
8gb ram

A PSU Under 80 USD
At least 550 watts? Or 600 watts? Bronze?

 

[kunthakenthe]

for under 80$ you can get a 850w(good for cfx and beefier components) you need a i5 4590/h97 or z97 mobo so you can upgrade any time. min i would recommend is 550w.

 

[kunthakenthe]

http://pcpartpicker.com/part/evga-power-supply-110b20850v1