Need help understanding compatability

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New soon-to-be PC builder trying to figure out how to determine what GPU fits in what motherboard. Do GPUs fit into PCIe slots? If so, are PCIe slots universal?

And Do I by a GTX670 or GTX680? Or SLI like 2 660s or something?
 
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ksham
Modern GPUs use PCIe slots. I have no idea what you mean by universal. All modern motherboards will have at least one PCIe slot. PCIe slots are backwards and forwards compatible. Each generation of PCIe slots provide double the bandwidth. So a PCIe 2.0 x4 card can be plugged into a PCIe 2.0 x16 slot or a PCIe 3.0 x2 slot. You can go backwards with a PCIe 3.0 x4 card in a PCIe 2.0 x8 slot. The GPU should tell you what slots and at what speeds it runs at.

GTX 670 is the better price/performance over the GTX 680. The GTX 670 is only about 10% weaker in performance. So you're paying an extra $10 per percentage increase. Way too expensive. I would not recommend SLI. More heat, more driver issues, more resolution issues, etc. That's not to...
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ksham

ksham

Splendid
Mar 29, 2013
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Modern GPUs use PCIe slots. I have no idea what you mean by universal. All modern motherboards will have at least one PCIe slot. PCIe slots are backwards and forwards compatible. Each generation of PCIe slots provide double the bandwidth. So a PCIe 2.0 x4 card can be plugged into a PCIe 2.0 x16 slot or a PCIe 3.0 x2 slot. You can go backwards with a PCIe 3.0 x4 card in a PCIe 2.0 x8 slot. The GPU should tell you what slots and at what speeds it runs at.

GTX 670 is the better price/performance over the GTX 680. The GTX 670 is only about 10% weaker in performance. So you're paying an extra $10 per percentage increase. Way too expensive. I would not recommend SLI. More heat, more driver issues, more resolution issues, etc. That's not to say that you will experience any or all of those issues, but they are possibilities.
 
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Alright thanks man good reply
 
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