Bus Type on a Laptop - PCIe

As far as I know, you can't upgrade laptop video cards. They are built in and I don't think you can even buy Laptop video cards anywhere. I build a lot of custom laptops, so this is my experience.
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  1. Hello,

    I have a Toshiba Satellite running an ATI Mobility Radeon HD 3470. The BUS type is :

    PCIe x16 Gen 2.0

    But I would like to upgrade the graphics, because it isn't handling my games very well.

    I was looking at the ATI Mobility Radeon™ HD 5870, but it has a BUS type of :

    PCIe x1 Gen 2.0

    The x1 wouldn't be compatible, would it?

    If not, what x16 card would be best for gaming?
  2. Thanks for the experience, Mulitsceeenz. I had to open up my old Alienware laptop and change out the RAM and both hard drives, and figured the graphics units were similarly interchangeable. I'm used to building desktop units.

    That would explain why NewEgg doesn't sell the ATI HD 5870M by itself.
  3. Of course you can upgrade, Multisceeenz should update himself regarding ALIENWARE gaming laptops or laptops in general, I have updated mine Alienware Nvidia GeForce Go 7950GTX SLI enabled With Gf 8800M. All removable cards are upgradable.
    Maybe sometimes before during the time when laptops were just in black/white display mode existed, it was not possible. :D
    Best regards
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