Help seeing if graphics card is compatible with my computer..

I'm not sure if the graphics card I might buy is compatible with my motherboard or not, the card I'm looking to buy is Radeon HD 4550. The requirements are

# PCI Express® based PC is required with one X16 lane graphics slot available on the motherboard
# 300 Watt or greater power supply (350 Watt for ATI CrossFireX™ technology in dual mode) is recommended

The motherboard I have is Intel D915GAG I specifically remember when I got it I was told it had PCI express support, but I don't know how to tell if it has the X16 lane or whatever. I also don't know how to tell what power supply it came with. If it helps the computer is a Gateway 831GM.

Reason for that card is because I'm EXTREMELY low on money and will be for months to come.
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  1. You do have a pci-e connector for an add in video card. I don't know what version is it. Probably version 1, so if your new video card is version 2, there is about a 75% it may work.

    http://www.intel.com/design/motherbd/ag/ag_con.htm
  2. PCI x 2.0 cards are backward compatiable with PCI x16 slots, so your card is 100% going to work.
  3. Concur, that card will work just fine.
  4. Im having an issue like that, I have a pc that has a PCI express X16 and a new Nvidia GTS 250 and Ive tried and tried but no dice, Im afraid its not compatable with my mobo, could anyone help

    Here is my model, its an Hp m8400f with a new power supply but everything else is stock
  5. The Silence said:
    Im having an issue like that, I have a pc that has a PCI express X16 and a new Nvidia GTS 250 and Ive tried and tried but no dice, Im afraid its not compatable with my mobo, could anyone help

    Here is my model, its an Hp m8400f with a new power supply but everything else is stock


    Perhaps it is because the bios needs updating?
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