I need help with PSU wattage, and If I am going to have trouble with what I have!

Hello, I am totally new here and I usually am not a big forums guy. I googled for my answers online, and found a calculator and all, but I am kind of unsure about the results it gave me.
So here I am asking people that actually understand this on a higher level than me.

So I started building my own PC and already decided on what parts I want to get, some parts I already bought but I am not sure if the Power Supply I got will do the job.

I bought a "Corsair CX Series 500Watt 80 PLUS Bronze ATX/EPS".

Here's a list of the components:
  • CPU: Intel Core i5 4690K Processor (3.5 GHz, 6 MB Cache, LGA1150 Socket)
  • RAM: Corsair Vengeance 8GB (2x4GB) DDR3 1600 Mhz
  • Storage: 1x SATA 7200 RPM (1TB) & 1x SSD (250GB)
  • Graphic Card: Gigabyte NVIDIA GeForce GTX 970 (4GB)
  • Motherboard: Gigabyte GA-Z97X-Game Plus Mainboard
  • Optical Drive: DVD-RW/DVD+RW Drive

Here's the catch though. I first planned to get a GTX 960, and later (after I already bought the 500W PSU) decided to get the GTX 970. Now I don't know if this is going to be enough?

So please if anyone who understands the calculations better than I do, could just give me the green (or red) light, and let me know.

Here are the results of the calculator (not sure if I should trust it or not)

EDIT: Here is another picture of the Technical Details for the GTX970, and the reason I doubt the whole PSU thing is because it says "Wattage: 550 Watts" on there. (Amazon)

PS: Oh, the calculator I used was "eXtreme Power Supply Calculator".

Thank you very much!
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  1. Best answer
    The wattage calculator is correct, your system will only use around 350W. The wattage recommended for the GTX 970 at 550W is for whole system in worst case scenario (overclocked 8 core AMD and other power hungry peripherals) and allows for extra power so that you will never draw 100%.
    So at 350W usage a 500W PSU is fine. However the Corsair CX, while not the worst PSU, are of lower quality and usually not recommended for a gaming computer. As you already own it, it will be fine to use but keep in mind it's probably something you will want to replace in the future.

    If you want to know what to buy, look at this tier list
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