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p67 16x8x vrs 8x8x

post #1 of 21
Thread Starter 
I don't undestand why so many p67 boards are x16/x4, doesn't the CPU natively provides 8x/8x? Its such a low move by the mobo manufacturers if they are only doing this for differentiating their line up .

Btw, what is suppose to be the cheapest p67 with x8/x8 lines?

thanks
post #2 of 21
I would like to know this myself.
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post #3 of 21
It's to push the consumer to spend more money on the higher-end boards, it was the same story with the P55 chipset.

Look at the Gigabyte P67A-UD4 or ASUS P867 Pro. The Pro supports both Crossfire and SLI, it is also cheaper.
Edited by Raul-7 - 1/6/11 at 4:54pm
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post #4 of 21
All the Asus P8P67 Pro and above boards does 8x 8x Crossfire. Get P8P67 Pro if you want SLI support also. But MSRP P8P67 is $150 and P8P67 Pro is $190. Bought the Pro today for $187.00 so it's right on target with the pricing that was reported.

From what I saw, Gigabyte is expensive.

*Edit*

The standard P8P67 and below does 16x blue slot and 4x white slot. It doesn't have a 3rd PCIE slot.
So Pro and above will do 8x + 8x because it has blue, white, and black PCIE slot. I still think it's kind of silly to pay enthusiast prices for PC parts that were meant to be for the mainstream. $300 for UD7 and Maximus IV Extreme. If you're willing to pay that much then you should just wait for Ivy Bridge to satisfy your 16x + 16x SLI/Crossfire modes. GPU scaling is a mix bag still, maybe only about 30% of the second card actually gets used. But if you're really worried there's always ATI 5970 and 6990 Dual GPU on one PCB. But too bad Nvidia don't bring back something like GTX 295 with the 570 or 580 but that would probably cost too much. It'd solve the problem of 16x + 4x or people crying about 8x + 8x.
Edited by anoob - 1/6/11 at 10:52pm
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post #5 of 21
Thread Starter 
http://www.asus.com/product.aspx?P_ID=Qx3PdnZI9Pq9BcIU

It show that the P8P67 board second PCIe 2.0 max at 4x. Thats lame.

I liked the ASrock Extreme4, it has x8/x8 mode and none of those fancy features I see in most motherboard, some very useful stuff.

http://www.asrock.com/mb/overview.as...Specifications

Are the components/materials in the ASrocks boards low quality? I don't know much about the brand, I just know its owned by ASUS.
post #6 of 21
I think some are not meant to be used with SLI and CF. Such as the ud3 board. Not only is it 16x4 but two of the SATA ports would hit a long card if you try to put a cable in the socket.

These are just lowere priced MOBO's with less features. My first MOBO was this way, I learned the hard way to pay more the first time, it really costs less.
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post #7 of 21
Quote:
Originally Posted by Firanford View Post
I don't undestand why so many p67 boards are x16/x4, doesn't the CPU natively provides 8x/8x? Its such a low move by the mobo manufacturers if they are only doing this for differentiating their line up .

Btw, what is suppose to be the cheapest p67 with x8/x8 lines?

thanks
LOLWUT? A CPU does not provide any PCIe lanes, that's the northbridge. Also, there is a negligible difference between x16/x16 x8/x8, as well as x4/x4. The P67 chipset provides a max of 16 PCIe lanes. That means any regular P67 board is limited a x16 or x8/x8. x16/x4 is a BONUS, NOT A CHEAPSKATE MOVE.
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post #8 of 21
Quote:
Originally Posted by Gabe63 View Post
I think some are not meant to be used with SLI and CF. Such as the ud3 board. Not only is it 16x4 but two of the SATA ports would hit a long card if you try to put a cable in the socket.

These are just lowere priced MOBO's with less features. My first MOBO was this way, I learned the hard way to pay more the first time, it really costs less.
No.
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post #9 of 21
Quote:
Originally Posted by eugenester View Post
no.
ok...
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post #10 of 21
Quote:
Originally Posted by Eugenester View Post
LOLWUT? A CPU does not provide any PCIe lanes, that's the northbridge. Also, there is a negligible difference between x16/x16 x8/x8, as well as x4/x4. The P67 chipset provides a max of 16 PCIe lanes. That means any regular P67 board is limited a x16 or x8/x8. x16/x4 is a BONUS, NOT A CHEAPSKATE MOVE.
Actually, with sandy bridge, you're wrong. The CPU actually provides the extra lanes for the video cards. Any motherboards with anything more than 8x/8x are using a bridge chip.
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