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PCIe 3.0 graphics card in a PCIe 1.0 PCie slot.

Last response: in Graphics & Displays
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June 16, 2014 7:34:19 AM

I'm looking to purchase the PNY GeForce GTX 770, it is a PCI-Express 3.0 x16 card so I'm wondering it'll be compatible with the 1.0 PCI-Express x16 slot in my motherboard. Thanks to anyone who leaves a response. <3
a b U Graphics card
June 16, 2014 7:43:49 AM

It will be compatible, you will lose ~20% of performance than compared to PCI 2.0 or 3.0,

and by the looks of it, what CPU do you have? its probably old
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a b U Graphics card
June 16, 2014 7:52:56 AM

babachicken said:
It will be compatible, you will lose ~20% of performance than compared to PCI 2.0 or 3.0,

and by the looks of it, what CPU do you have? its probably old


babachicken is pretty much spot on, considering you only have a 1.0 slot changes are your processor is rather old and will bottleneck the GPU.
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June 16, 2014 8:29:05 AM

babachicken said:
It will be compatible, you will lose ~20% of performance than compared to PCI 2.0 or 3.0,

and by the looks of it, what CPU do you have? its probably old


CPU: Intel 4th Generation Core i5
Speed:3.1GHz
Ty for the reply.
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a b U Graphics card
June 16, 2014 8:33:23 AM

what??? on a board that only has PCIe 1.0?
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June 16, 2014 8:34:46 AM

averageasian1 said:
babachicken said:
It will be compatible, you will lose ~20% of performance than compared to PCI 2.0 or 3.0,

and by the looks of it, what CPU do you have? its probably old


CPU: Intel 4th Generation Core i5
Speed:3.1GHz
Ty for the reply.


Assuming that's accurate, you definitely have a PCIe 3.0 slot. Its part of the compatible chipset, there are no other options.
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June 16, 2014 8:36:18 AM

babachicken said:
what??? on a board that only has PCIe 1.0?


3 PCI Express x1, 1 PCI Express x16 are the available expansion slots sorry kind of a noob on computers.
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a b U Graphics card
June 16, 2014 8:37:49 AM

what computer do you have exactly?
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Best solution

June 16, 2014 8:43:34 AM

averageasian1 said:
babachicken said:
what??? on a board that only has PCIe 1.0?


3 PCI Express x1, 1 PCI Express x16 are the available expansion slots sorry kind of a noob on computers.


Oh, I see the confusion. All of your slots conform to the PCIe 3.0 standard. But there are a couple different kinds of PCIe slots on a modern mobo. You have x1 slots (really little, short slots) that are for expansion cards such as sound cards, and x16 slots (big slot) that are for high-performance video cards. That number refers to the number of PCIe "lanes" that slot has access to, and becomes very important if you have multiple video cards installed. But that's a separate thing from the PCIe 1.0/2.0/3.0 spec.

Sorry, that's a little abstract. But the tl;dr is that you have PCIe 3.0 and a modern system and you have nothing to worry about. Enjoy your new card and great performance.
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June 16, 2014 8:45:18 AM

oxiide said:
averageasian1 said:
babachicken said:
what??? on a board that only has PCIe 1.0?


3 PCI Express x1, 1 PCI Express x16 are the available expansion slots sorry kind of a noob on computers.


Oh, I see the confusion. All of your slots conform to the PCIe 3.0 standard. But there are a couple different kinds of PCIe slots on a modern mobo. You have x1 slots (really little, short slots) that are for expansion cards such as sound cards, and x16 slots (big slot) that are for high-performance video cards. That number refers to the number of PCIe "lanes" that slot has access to, and becomes very important if you have multiple video cards installed.

Sorry, that's a little abstract. But the tl;dr is that you have PCIe 3.0 and a modern system and you have nothing to worry about. Enjoy your new card and great performance.


Ok Ty so much. <3
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a b U Graphics card
June 16, 2014 8:47:36 AM

oxiide said:
averageasian1 said:
babachicken said:
what??? on a board that only has PCIe 1.0?


3 PCI Express x1, 1 PCI Express x16 are the available expansion slots sorry kind of a noob on computers.


Oh, I see the confusion. All of your slots conform to the PCIe 3.0 standard. But there are a couple different kinds of PCIe slots on a modern mobo. You have x1 slots (really little, short slots) that are for expansion cards such as sound cards, and x16 slots (big slot) that are for high-performance video cards. That number refers to the number of PCIe "lanes" that slot has access to, and becomes very important if you have multiple video cards installed. But that's a separate thing from the PCIe 1.0/2.0/3.0 spec.

Sorry, that's a little abstract. But the tl;dr is that you have PCIe 3.0 and a modern system and you have nothing to worry about. Enjoy your new card and great performance.



this is correct
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