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PCI-E x16 motherboards

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prophet001

Junior Member
Hi,
I am looking at the possibility of buying a motherboard with 2 or 3 PCI-E x16 slots but I am stuck at the different "types" of PCI-E x16 slots. For example, intel's badaxe 2 mobo says they have 1 pci-e x16 slot (electrical) and 1 pci-e x16 slot (x8 electrical). What does this mean? EVGA claims to have a motherboard with 2 "true" PCI-e x16 slots. What's with the confusion and why isn't pci-e x16 just simply pci-e x16? Can anyone help me understand this? Thank you,
Preston
p.s. they would be receiving 8800 gtx cards

🙂
 
The difference is that it's possible to have a slot that's physically a X16 but electrically connected to fewer lanes than that.
It all comes down to how many PCI-E lanes the chipset was designed to handle & how the mobo deigner chose to split those up.

If you have the money for dual 8800GTX imo I would be going with 680i currently especially as only nVidia chipsets officially are supported for SLI with them.
 
cool.. this is nice to know
thank you very much for you help 🙂
buying a mobo with electrical x8 seems a lot like buying a car with 8 cylinders and 6 spark plugs... what gives
anyway, thank you
 
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