What graphic cards can my cpu support?

Ok first things first.

  1. According to this (http://www.elhvb.com/mboards/OEM/HP/manual/amethystM_manual.pdf) your motherboard has a 1.0a compliant PCIe slot which is for new graphics cards. However as it is only 1.0a, some PCIe 2.0 cards may not work.
  2. You need a new PSU. The one you have is a generic rubbish unit. (http://www.newegg.com/Product/Product.aspx?Item=N82E16817174026). For any PCIe card you need at least 26A on the 12V rail. You need something like this: http://www.newegg.com/Product/Product.aspx?Item=N82E16817139018
  3. At that resolution you will not need a very powerful GPU, however the 9400GT is probably underpowered for the games you want to play. I would however suggest getting a new PSU, then trying the 9400GT, if that works, good, if not we can get you a new GPU
 
Alright, Thanks I'll search this power supply on local-stores

Do you think that power supply will fit on my computer case?
 
It should as they are both ATX. Don't let the store person try to sell you some cheap shit otherwise you will be in the same position. That is the lowest quality and amperage that you can go to so anything better is fine. To be sure it fits, post a couple of pics of the inside of your computer.
 
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I agree with the new psu but i would say, same as someone else before, get hd 5670 this is the 1gb version btw

http://www.newegg.com/Product/Product.aspx?Item=N82E16814150467&cm_re=hd5670-_-14-150-467-_-Product

this is one of the better manufacturers and it works out 69.99 after mail in rebate card, you can get cheaper if you choose a different brand.

i got a hd4670 and thats about equal to a 9600gso and sometimes better, so the 5670 should be faster and its about the same price, better than a 9400gt thats for sure, plus not that it really matters cuz the card isn't high end but the 5670 also has direct x 11

and there is no reason that it shouldnt work in the pci-ex 1.0, even with the badwidth restriction (pci-ex 1.0 x16 is the same speed as pci-ex 2.0 x8) the will be basically no difference, maybe at most 2-5 % performance, if that.
 
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guys did you miss Athlon 64 3400, sadly to avoid a serious bottleneck here, your looking at a Geforce 7900GT/Radeon x1950pro or Geforce 8600GT/9500GT to not severly bottleneck, sadly that CPU is old, the 3400 dates back to 2004 and was OEM only 939 launch CPU, I had a 939 3500 for awhile same chip just 1000mhz HT vs your 800mhz HT, and let me tell you I ran a 7800GT on that thing, and i was bottlenecked, I honestly think my old 6800GT I had in it was about the best card for that old hunk of metal. Swaped that 3500 for an X2 3800 and saw about a 30% increase.

I'd honestly say if you don't intend to do a total system rebuild at least find an X2 4400/Opty 175 or better to go in there first. But best advice replace everything, its just to old, even putting a modern Video card in there won't help alot, its just not up to par today.
 
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