afo

4x HD5970 Support?

Discussion created by afo on May 18, 2010
Latest reply on May 20, 2010 by emuller
It is possible to work with 4 HD5970 in one system?

dear people,

I am not sure if this is the right forum to ask, so please apologize and direct me to the right place if not.

Currently I am working with 2x HD5970 for an openCL application, and I am using a MSI 790FX-GD70 motherboard. It has 4 PCIe slots and claims to support up to 4 graphic cards.

But the MSI web site says that when you use 2 PCIe slots, they are at 16x, but when you use 4 PCIe slots, the speed of each one is 8x.

(http://www.msi.com/index.php?func=proddesc&maincat_no=1&cat2_no=171&prod_no=1740)

So my question is: Can I work with 4x HD5970 at PCIe 8x (with a transfer speed penalty), or HD5970 can only work at PCIe 16x?

Thanks in advance for any insight about this

best regards,

Alfonso

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