Sufficient power supply and cooling for build?

[sockinthemachine]

Hi there, first time builder here.
Currently I have an Asus H97-Plus motherboard, GTX 960 GPU, intel i5 4690K processor and 8GB of Ballistix RAM with a corsair carbide 100R case. I'm planning on using the PC for gaming mostly, and I'm not planning to overclock.
Firstly, how do I know how powerful of a power supply to get? I was planning on using a 550W Corsair CS, but I wasn't sure if it'll be enough. Also, if I'm not planning on overclocking will the stock processor fan be enough for cooling or should I still get an aftermarket cooling fan?
Thanks in advance!

 

[sockinthemachine]

Thanks a bunch! Any advice on cooling?

 

[Dark Lord of Tech]

Thanks a bunch! Any advice on cooling?

PCPartPicker part list / Price breakdown by merchant

CPU Cooler: CRYORIG H7 49.0 CFM CPU Cooler ($34.50 @ Newegg)
Power Supply: XFX 550W 80+ Bronze Certified ATX Power Supply ($58.99 @ SuperBiiz)
Total: $93.49
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2015-05-25 22:30 EDT-0400

 

[CTurbo]

+1 what SR-71 recommended



I really recommend getting the i5 4590 instead of the 4690k. It's a much better value and 99.9999999999% as good.

 

[Dsellz]

+1 what SR-71 recommended



I really recommend getting the i5 4590 instead of the 4690k. It's a much better value and 99.9999999999% as good.

Agreed. Especially if you're not going to overclock.