PCIe 3.0 x16 Graphic card on PCIe 1.0

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kajjot
Shouldn't make any difference as they are backwards compatible.
But you GPU will not run at full speed. It will be similar to running it in a PCI-E 3.0 x4 slot.
But don't take my word for it and double check with GPU manufacturer.
I did run AMD7770 (pci-e 3.0) on a G41 motherboard with pci-e 1.0 slot but that card isn't high end so wasn't bottlenecking.
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Pondering

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Dec 7, 2013
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A 3.0 card won't work on PCI-E 1.0 slot, so the primary danger is the loss of your money.

EDIT: Oh yeah but sometimes specific video cards and motherboards will work together as shown below. So if you can tell us which video card and which motherboard and then we can look for specific instances of compatibility.
 
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kajjot

kajjot

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Jun 29, 2010
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Shouldn't make any difference as they are backwards compatible.
But you GPU will not run at full speed. It will be similar to running it in a PCI-E 3.0 x4 slot.
But don't take my word for it and double check with GPU manufacturer.
I did run AMD7770 (pci-e 3.0) on a G41 motherboard with pci-e 1.0 slot but that card isn't high end so wasn't bottlenecking.
 
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A

Archeritsme

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Jul 8, 2014
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My system Specification:
Intel G35 Motherboard
6GB DDR2 Ram
Core 2 Quad Q6600 2.4Ghz Processor
Asus GTX 750 Ti (with a minimum 12V current rating of 20A)
 
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Bill Ellson

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Jul 1, 2014
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It'll work just fine in a 1.0 slot, but the bandwidth of a 1.0 slot is far less than a 3.0 slot. It'd be well worth your money (and time) to get a motherboard that supports PCIe 3.0. Even 2.0 at that point would be vastly superior.
 
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Archeritsme

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Jul 8, 2014
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If bottlenecked will it damage any component (GPU and Motherboard and other).
 
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kajjot

kajjot

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Bottleneck can't damage anything.
"A bottleneck is a phenomenon where the performance or capacity of an entire system is limited by a single or limited number of components or resources."
 
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Bill Ellson

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Jul 1, 2014
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No, not at all. You're just going to hit a brick wall when (and if ever) your processor eventually demands more than 8GB of RAM.
 
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