Different dimensions of the AMD Radeon HD 6990 graphics card

By Wing-01
Apr 7, 2011
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  1. Hi Everyone,
    This is not a problem but more of a discussion of something I have noticed while researching components.
    The length of the ‘Radeon HD 6990’ Graphics Card.

    It seams different manufacturers have different lengths for the same graphics card. I know it might sound brainless to bring it up, but it seems to be an important factor whilst building a Computer.

    Please let me illustrate for you:

    Say I want to buy a LIAN LI PC-X500FX, the maximum video card size you can fit into the case is 315mm as stated on the LIAN LI website (http://www.lian-li.com/v2/en/produc...ex=562&cl_index=1&sc_index=25&ss_index=62&g=f)

    Now a Gigabyte ‘Radeon HD 6990’ dimensions is 318 – 126 – 38mm stated in their website (http://www.gigabyte.com/products/product-page.aspx?pid=3790#sp), clearly the GPU will not fit into the case.

    But a PowerColor ‘Radeon HD 6990 dimensions is 305 – 110 – 38mm as stated in their website (http://www.powercolor.com/au/products_features.asp?id=333#Specification) Will fit with very little room to spare, only a few millimetres to spare but the GPU will fit.

    Maybe I am crazy, but I do believe these are important factors to consider when thinking of building your computer and reviewers do not seem report on this, like say they review two or three 6990 cards from different brands and they do a comparison of the same card, could they not mention the different sizes of the card? This could effect you decision on buying a brand from the other because of your case, set up or many different factors.

    I have done an online search and have come up short with an answer, also why are they shorter or longer would that make a difference and if not why are they different in dimensions? After all AMD gives them the template to work with. Right?

    This is not a rant I would just like to know what people think and if I am missing something.

    Below I have put a few brands’ dimensions for the AMD 6990 GPU

    Gigabyte = 318 – 126 – 38mm
    MSI = 310 – 115 – 40mm
    PowerColor = 305 – 110 – 38mm
    Diamond =304.8– 101.6 – 40.64mm

    Lian Li maximum video card size – 315mm
  2. Mizzou

    Mizzou TS Enthusiast Posts: 823

    I'd say that making sure a video card is going to fit in your case is an important consideration. Also need to consider your motherboard layout since a really long dual slot card can block access to headers or create other assorted clearance problems. Although there is a reference design, it's not too surprising to see minor variations from one manufacturer to the next.

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