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Asus Maximus IV Extreme-Z is ok for crossfire?

post #1 of 5
Thread Starter 
Hello,

I got for a good price the Asus Maximus IV Extreme-Z because I sold my old mobo, and I was wondering if I can run two R9 290 's without any bottlenecking from the mobo.
By that I mean that the PCI e lanes will run slower and slower with every additional card.

Cheers
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post #2 of 5
When in crossfire that board will run the top slots as PCIe x8, so it might slow it down a little but I doubt enough to be noticeable.

Source: http://www.newegg.com/Product/Product.aspx?Item=N82E16813131760
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post #3 of 5
Thread Starter 
That is what I thought, but I found this:
http://www.guru3d.com/articles_pages/asus_maximus_iv_extreme_z_review,25.html


''
Next to that, the Maximus IV Extreme-Z offers something that a whole lot of you really like, they added the NVIDIA NF200 bridge chip which adds extra PCIe lanes. Meaning that if you put two x16 lanes PCIe graphics cards into the system they actually work mechanically at 16x:16x and not 8x:8x. Whether or not you'd ever notice the difference in speed remains open for discussion, as we doubt it. But with future graphics cards full x16 lanes per slot is surely much preferred.
''

I have no clue what that means, but does it mean that it can run both cards at x16?
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post #4 of 5
NVIDIA NF200 Bridge Chip
Quote:
Originally Posted by Chunky_Chimp View Post

It's a bridge chip that provides (not creates) 2 PCI-e x16 2.0 from 16 lanes. You'll see it on top-shelf Asus X58 and eVGA P55/X58 motherboards. The Skulltrail dual-LGA771 board uses 2 nF100s, which is PCI-e 1.x instead of 2.0.
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post #5 of 5
Thread Starter 
And what am i supposed to understand from that mate? I don't now what that is. So that chip does nothing and I will be running at x8 both GPUs?
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Budget gaming PC
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CPUMotherboardGraphicsRAM
i7 4700MQ  Intel® 8 Series Chipset 2GB GeForce™ GTX 765M 16 GB Kingston HyperX 1600Mhz 
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Samsung 840 SSD 250 GB 500 GB 5400rpm HDD Ultra Slim DVDRW X16 Full custom copper cooling  
OSMonitorKeyboardPower
Windows 10 Pro 15.6 inch Widescreen LED 1080p Full size isolated keyboard with numeric pad 8 Cell Smart Lithium-ION Battery Pack - 76.96WH 
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