Will my 500 Watt power supply be able to run these specs?

Elliotv

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Jan 16, 2016
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So I'm thinking of upgrading a couple of the parts in my 1 year old gaming rig as I now am starting to realise I they were bad choices and are not going to benefit me much in some of the titles I plan on playing. Here is the list of things I plan to upgrade:

GTX 750 - GTX 960
Stock intel CPU cooler - Be Quiet! Dark Rock 3 CPU Cooler

The only problem I have is my 500 Watt Power supply. I am concerned that it may not be able to power my PC's load when running at full capacity considering I have 2 hard drives and an Intel i5-4690K to power aswell. Should I upgrade or keep the PSU as is?
 
Solution
A high quality 300W PSU would be enough to run mildly overclocked i5 and GTX960.

As COLGeek said, the main limiting factor for mid-range mainstream configuration is PSU quality.