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samiam41Flag for United States of America

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compatibility of pci-e x1 slots with pci-e x2 or x3 hardware

Hey Experts.  I have an HP Pro 3130 desktop (running Windows 7) that has (3) pci-e x1 slots on the motherboard.  I need to add a dual-monitor vga card to this desktop but finding a card that meets what I need and is pci-e x1 has become difficult.  The hardware aspects of the pci-e are not something I am familiar enough with so I thought I would ask the experts if I can use pci-e x2 or x3 cards in a pci-e x1 slot.  I've done what I can with the amount of time I had to research this but haven't found a definitive answer so please have at it.

Thanks in advance!
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IanTh
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Thanks IanTh!  That completely blows my mind that hardware can be modified in such a manner and work.  I had no idea that PCIe was so interchangeable with some melting or if the rear side port is open.  I found this article which confirms what you stated.  PCIe x.  

I will search around YouTube for a vid to modify this.  Is there a vid on there that you would recommend over another to watch?
it does invalidate you warranty obviously !

actually see this

http://www.invisiblerobot.com/pcie_x1/
Perfect!  I see there are also adapters.  Do you have any experience with those?
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samiam41
The three optins I posted are for slim cases.
If you can give more information about your needs it'll be easier to help you.
Ok.  Thanks guys.  The computer is a tower, not a slimline so that should help.  I will look for a card that is maybe half height just to be safe.

I'll close this out and award points appropriately.  Thanks everyone.