2x PCIEX16 or 1x PCIEX16 and 1x PCIEX4?

By WhitePages
Jul 18, 2013
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  1. I'm planning on doing a GTX 660 SLi setup. I'm unsure if performance is changed significantly by getting a 2x PCIEX16 mobo or 1x PCIEx16 1x PCIEx4. A 2 x16 board is quite a bit more expensive, but I don't know what difference it would make.

    Side question: A GTX 660 SLi setup is a good choice, gaming performance/cost, than other options, is it not?

    Advice would be appreciated. Thanks.
  2. Blkfx1

    Blkfx1 TS Evangelist Posts: 851   +201

    You will want a motherboard that will support a SLI setup with x16 or x8 links. Anything under x8 would hurt your performance.
    cliffordcooley likes this.
  3. WhitePages

    WhitePages TS Rookie Topic Starter

  4. GhostRyder

    GhostRyder You know, that one guy with the PC Posts: 2,189   +589

    I don't know what chip your getting (Im of course assuming an Vishera or Bulldozer Chip of some sort) but I would recommend this for around 30 more because its a higher chipset and has 2 16x PCIE on it along with a third for 4x.

  5. dividebyzero

    dividebyzero trainee n00b Posts: 4,891   +1,258

    Not to mention that SLI isn't possible for a card using a PCIe x16 @ x4 (or an open ended PCIe x4 slot). Nvidia driver lockout.
  6. Jad Chaar

    Jad Chaar TS Evangelist Posts: 6,477   +965

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