Will I need a new PSU?

[Raduque]

Right now I have a Seasonic S12 II 500w PSU. Newegg says the outputs are +3.3V@24A,+5V@24A,+12V1@17A,+12V2@17A, -12V@0.8A,+5VSB@2.5A

It's powering the following
Core2Duo E6300 @ 2.8ghz
4gb DDR2-800 (4x1gb)
Gigabyte GA-965P-S3
Radeon HD3870 512mb
5x 7200 RPM SATA drives
1x DVDRW
4x 80mm case fans
1x 120mm CPU fan


Keeping the HDD and fans, I want to build the following
Intel Core i5 750
Gigabyte GA-P55M-UD2
8gb DDR3 (4x2gb)
Radeon HD5770 1gb

Will my Seasonic PSU have enough grunt for this system, or am I gonna need something more?

Thanks

 

[HOOfan 1]

If you don't go crazy overclocking the CPU then yes, it is fine

 

[Raduque]

No, I don't plan on overclocking it for now. I think even at stock an i5 will blow the doors off my overclocked e6300.

 

[Patrickz0rs]

Right now I have a Seasonic S12 II 500w PSU. Newegg says the outputs are +3.3V@24A,+5V@24A,+12V1@17A,+12V2@17A, -12V@0.8A,+5VSB@2.5A

It's powering the following
Core2Duo E6300 @ 2.8ghz
4gb DDR2-800 (4x1gb)
Gigabyte GA-965P-S3
Radeon HD3870 512mb
5x 7200 RPM SATA drives
1x DVDRW
4x 80mm case fans
1x 120mm CPU fan


Keeping the HDD and fans, I want to build the following
Intel Core i5 750
Gigabyte GA-P55M-UD2
8gb DDR3 (4x2gb)
Radeon HD5770 1gb

Will my Seasonic PSU have enough grunt for this system, or am I gonna need something more?

Thanks

You will have more than enough power. Your system will not use more than 400watts under full load. The 5770 is a great power saver card and does not have that 40A requirement.