Upgrading gpu and psu on p6214y desktop computer

So im looking to upgrade the graphics card in my computer(p6214y). From what ive seen i understand that I will also need to upgrade the PSU as it is only a 300W.

Ive been doing a lot of research over the last several days... but I am lost as I am by no means a computer expert. I found some cards with good reviews that look good and some decent power supplies but what i dont know is if they will fit my system etc...

I would like to play games like diablo 3 trouble free. Im not looking to spend to much maybe about 200$ on the card and about 100$ on the PSU... I dont necessarily need to spend that much if its not needed so cheaper options would be nice too.

Here are three cards that im looking at right nor on NewEgg

http://www.newegg.com/Product/Product.aspx?Item=N82E16814130660

http://www.newegg.com/Product/Product.aspx?Item=N82E16814130625

http://www.newegg.com/Product/Product.aspx?Item=N82E16814102908


These are two PSU's that im looking at

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139021

http://www.newegg.com/Product/Product.aspx?Item=N82E16817139028


As far as PSU goes how do i even know if these will fit? Is modular going to be a big deal? Do these have enough power?

On the cards will they fit? The card would go into my pciex16 right? would i have to move the wireless network card the is in the pciex1 directly above it?
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More about upgrading p6214y desktop computer
  1. Here is a link to some specs for my computer.

    http://h10025.www1.hp.com/ewfrf/wc/document?lc=en&dlc=en&cc=us&docname=c01905330

    i just saw that the case was a midsize atx.... Will that help me determine what psu will fit?
  2. Also my computer has 8GB of ram but is expandable to 16GB... Will I see much of a difference in performance with a ram upgrade or is 8GB sufficient for what I want to do.
  3. anyone?
  4. Those power supplies are really an overkill, unless you're planning going SLI later. I'd suggest getting this combo:
    Corsair CX 500 - $59.99
    HIS Radeon HD 7850 - $239.99

    Total: $299.98.
  5. Sunius said:
    Those power supplies are really an overkill, unless you're planning going SLI later. I'd suggest getting this combo:
    Corsair CX 500 - $59.99
    HIS Radeon HD 7850 - $239.99

    Total: $299.98.



    I noticed that that video card is meant for a PCIe x 3.0... My computer is only x 2.0 is that going to be a problem? Also am I going to see a noticeable difference with the 2gb vs the 1 gb?
  6. PCIe is backwards compatible, so that card doesn't require you to have 3.0, it just works on 3.0, and so it does on 2.0, 2.1, 1.0, 1.1. You won't see much of a difference 2 gb vs 1 gb unless you go above 1920x1200 resolution.
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