What power supply for a6750f

[armis]

igot a6750f computer

and i want ati radeon 5770, but the power supply is only 300w or even less.
http://tinypic.com/view.php?pic=dfkmjk&s=4 thats what it says on the power supply now. anyone can help with what new psu to get?

 

[TheViper]

PC Power & Cooling Silencer 470W (5 year warranty) - $59.99
http://www.newegg.com/Product/Product.aspx?Item=N82E16817703011

 

[wa1]

If u really want that card then u MUST get a new high quality one.
What viper recommended is good enough. If u have more on your pocket then go for a higher psu, considering if u want to upgrade your system in the future...