Need psu help

[suvam]

I have zebronics platinum 600watts psu with a asus M2A-78-EM motherboard and amd phenom II x940 processor.Can a hd 4890 1gb work in this psu or i need more power????

 

[theAnimal]

You don't need more power, you need more 12V power and 1 more PCIe connector.

I'd recommend Corsair HX520 or VX550.