What wattage is needed at minimum and what would be safest?

[Tibblist]

case
Mobo
CPU
GPU

Power supplys im considering
prefered: This
Safest?: This

I would like the cheapest possible but if the 700W isn't safe enough then I will get the 750W

 

[tiny voices]

Neither of those units are good. Both trash.

get a 750w unit form Antec, XFX, seasonic, EVGA (G2,B2,GS).

 

[tiny voices]

http://www.newegg.com/Product/Product.aspx?Item=N82E16817438028

Get that.