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georgetok

Junior Member
Sep 16, 2011
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Look at the motherboard. Look closely. Notice that there are three really long slots? One is blue, one is white, and one is black. The blue slot has up to 16x normal PCIe bandwidth, but only 8x when another card is in the white slot. The card in the white slot gets 8x normal PCIe bandwidth (when another card is in the blue slot). The card in the black slot only gets 4x normal PCIe bandwidth.

All three cards should work just fine. In general, it would be good to avoid connecting monitors that will show video or other frequent, high-speed graphics changes to that third card in the black slot; though this is by no means a requirement.

Thanks. That makes sense now.
 

georgetok

Junior Member
Sep 16, 2011
23
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:thumbsup: On the last point, I would say that even PCIe Gen1 x4 is still 1GB/s full duplex, so it can handle any 2D graphics no problem.

That is true but for several reasons I decided to go for Low Profile card designed just for my applications.
 
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mfenn

Elite Member
Jan 17, 2010
22,400
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www.mfenn.com
That is true but for several reasons I decided to go for Low Profile card designed just for my applications.

I was talking about the slot, not the card. The card is x16 physical, but like all PCIe devices, will auto negotiate to be best link speed supported on the link. Low-profile just refers to the physical height of the card.
 

georgetok

Junior Member
Sep 16, 2011
23
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I was talking about the slot, not the card. The card is x16 physical, but like all PCIe devices, will auto negotiate to be best link speed supported on the link. Low-profile just refers to the physical height of the card.


I thought that high profile cards take up 2 or more slots & require more resources.

Still learning.
 

mfenn

Elite Member
Jan 17, 2010
22,400
5
71
www.mfenn.com
I thought that high profile cards take up 2 or more slots & require more resources.

Still learning.

What you're thinking of are called "dual-slot" or "double-width" cards. Most high-end gaming cards are dual-slot, full-height, full-length. In your case, the height and length of the cards doesn't matter, but it is important to be single-slot, which your cards also are.
 

georgetok

Junior Member
Sep 16, 2011
23
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0
What you're thinking of are called "dual-slot" or "double-width" cards. Most high-end gaming cards are dual-slot, full-height, full-length. In your case, the height and length of the cards doesn't matter, but it is important to be single-slot, which your cards also are.

Ok, I got it.

Thank You