Building an i5-2500K system - need to decide about power supply!?

raigor

Distinguished
Jun 14, 2011
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OK the system is

Motherboard:

Gigabyte GA-Z68XP-UD3P

CPU:

Intel Core i5-2500K

RAM:

Kingstone HyperX Genesis 1600 MHz

HDD:

Seagate Barracuda 1 TB 32MB cache 7200 RPM

Case:

CM HAF 912

GPU:

Sapphire HD 5770

Power Supply:

Corsair VX Series 450 W -

Will this power supply be sufficient for this build and is it the right one !?
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Please respond fast I am ordering in just a few hours!!

Thanks in advance