Graphics card and PSU upgrade?

Here is my specs, I don't know exactly what to put, but here:

CPU
Intel Core i5 650 @ 3.20GHz
RAM
8.00 GB Dual-Channel DDR3 @ 531MHz
Motherboard
Dell Inc. 0T568R (CPU 1)
Graphics
E2250 (1920x1080@60Hz)
1024MB GeForce GT 220 (nVidia)
Hard Drives
932GB Western Digital WDC WD1001FAES-75W7A0 (RAID)

This is just copied and pasted from Speccy. If you need more info tell me and I'll try to find it. I don't know much about building computers, but I pretty much just want a new video card and a power supply to go along with it(I was recommended a 750w psu, but I don't know what to get beyond that, brands, sizes, etc.).
I've searched everywhere for these answers and I just can't find a clear one. At least not for someone like me who doesn't know anything about building a computer. How do I know what will fit my computer? I noticed my psu fit perfectly in the shelf at the top of my case and anything bigger would be too big, are all modern psus the same size or am I going to have to measure it?

It's for gaming. And I'd like a video card that could play a game like GTA4 or Battlefield with no lag. I will spend up to $450 for a graphics card and power supply, assuming that is all I need.
4 answers Last reply
More about graphics card upgrade
  1. PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Video Card: Asus GeForce GTX 660 Ti 2GB Video Card ($259.99 @ Newegg)
    Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($65.99 @ Amazon)
    Total: $325.98
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-02-07 17:21 EST-0500)

    Also, your RAM should be minimum at 1333mhz. Something there isn't right.
  2. I don't know. That is what speccy says for ram. If there is somewhere else I can find my system info, I can look there and see if it is different?
  3. tiny voices said:
    PCPartPicker part list / Price breakdown by merchant / Benchmarks

    Video Card: Asus GeForce GTX 660 Ti 2GB Video Card ($259.99 @ Newegg)
    Power Supply: XFX 550W 80 PLUS Bronze Certified ATX12V / EPS12V Power Supply ($65.99 @ Amazon)
    Total: $325.98
    (Prices include shipping, taxes, and discounts when available.)
    (Generated by PCPartPicker 2013-02-07 17:21 EST-0500)

    Also, your RAM should be minimum at 1333mhz. Something there isn't right.


    He didn't times it by 2. Dual Data Rate 3. He should be running at 1066 then, the standard for 1st gen Core's.
  4. Good call. I don't know why I didn't realize that.
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