how much power supply do i need for my pc

[alexhsu1997]

I have built my own pc
This is my first time so I am not quite sure what I'm doing this is my build so far
Intel Core I7-3770 3.4G(Turbo 3.9G)/8M/HD4000 GPU
 Gigabyte Z77-DS3H
ASUS GTX660-DC2OCPH-2G-SP/2G DDR5
JETRAM DDR3  8G-1600
WD 1TB  64M/7200/10EZEX
LITE-ON iHAS324/24XDVD   

Any suggestion on the build? I'm planning to use this to stream lol full setting. Is it possible
Most importantly, how much power supply do I need for this. Im thinking of 450w is this enough?
 

 

[Dayle McNeela]

I have built my own pc
This is my first time so I am not quite sure what I'm doing this is my build so far
Intel Core I7-3770 3.4G(Turbo 3.9G)/8M/HD4000 GPU
 Gigabyte Z77-DS3H
ASUS GTX660-DC2OCPH-2G-SP/2G DDR5
JETRAM DDR3  8G-1600
WD 1TB  64M/7200/10EZEX
LITE-ON iHAS324/24XDVD   

Any suggestion on the build? I'm planning to use this to stream lol full setting. Is it possible
Most importantly, how much power supply do I need for this. Im thinking of 450w is this enough?
 

450w should be enough, but I would recommend 500w to be safe.
http://www.newegg.com/Product/Product.aspx?Item=N82E16817139050

I also have this PSU so it is well recommended.

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