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Can a pci express 2.0 processor work with a pci express 3.0 motherboard and a 3.0 graphics card?

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April 13, 2013 9:30:15 AM

Hi i want to by
Pentium G860(which is PCI E 2.0)
Gigabyte H61MA-D2V (PCI E 3.0)
GT 610 1GB Graphics Card (PCI- 3.0)

Will it work?
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April 13, 2013 9:35:33 AM

Pentium G860 and GT 610 1GB Graphics Card will work with the Gigabyte H61MA-D2V GT610 is PCIE backward compatible. Thanks
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April 13, 2013 9:47:21 AM

The short answer is yes. But I wouldn't bother with the GT610 as it's so underpowered, I would either use the on-die Intel HD graphics or look at a more powerful graphics card. If it's just normal office stuff, web browsing and video playback I'd go with the on-die Intel HD, if you're looking to play games I'd be looking to a Radeon HD 7750 or GT640 as a bare minimum.

PCIe 3.0 is really only be needed by the really high-end graphics cards in the coming months and years as graphics cards get more powerful and need faster interfaces with the memory and cpu. Just now, PCIe 2.0 is capable enough for all but the most powerful graphics, even the the most powerful are only marginally held back.
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April 13, 2013 9:53:23 AM

rgd1101 said:
there is not a pice 2.0 processor, is LGA1155 processor
http://www.gigabyte.com/products/product-page.aspx?pid=...
said is supported


In answer to this, the original Sandy Bridge processors only support upto PCIe 2.0 interfaces. When the newer Ivy Bridge motherboards came along with the faster PCIe 3.0 interfaces they needed an Ivy Bridge processor to run them as PCIe 3.0. Although the Ivy-Bridge motherboards were backward compatible and would run with Sandy Bridge processors they were restricted to PCIe 2.0 speeds on the PCIe interfaces.

However, all this is purely academical as there is nothing in the build that actually requires PCIe 3.0.
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April 13, 2013 9:53:26 AM

I am only trying to make a cheap gaming pc.
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April 13, 2013 10:00:55 AM

Have you considered looking at AMD FM series? I cannot speak from experience on this but the FM APUs are supposed have on-die graphics which are more powerful than Intel's, and it'll certainly be more powerful than a GT610.

Here's a Tom's article on one that they recently built, I think it'll be more powerful and cheaper (no need for a discrete graphics card).

http://www.tomshardware.co.uk/silent-pc-gaming-performa...
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April 13, 2013 10:11:57 AM

The problem is i already bought it(everything on the list above)i just paniced abit when i realised it was only pci e 2.0 Interface.
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April 13, 2013 10:25:04 AM

You're fine. All PCIe interfaces, whether they be 1.0, 2.0 or 3.0 are all desgined to be backward compatible so they work at their fastest common speeds. Don't forget, we still had a lot of powerful hardware on PCIe 2.0.
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