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New build soon - slightly confused with Intel though... - Page 4

post #31 of 45
Thread Starter 
Quote:
Originally Posted by Blizlake View Post

Why do want x16/x16? Most boards do either x8/x8 or x16/x8, but it doesn't really matter as the performance difference on current gen cards between x8 and x16 is around 2 to 5%.
I'm not sure what you mean by that last sentence... Your case supports eatx boards so should be no clearance issues. Asrock boards have heatsinks in the same places other boards have, and they're not "big" in any way.

cos x16/x16 is better. maybe the difference isn't that much at the moment, im not to sure, but it would still be nice to have. also the extra bandwidth on the slots would be nice for future pci-e 3.0 cards. i'll probably just get another 6950/6970 and crossfire it which should see me through the next couple years anyways so its not a massive problem right now. i just like to try and think ahead a bit because i cant afford to upgrade to often... ive never heard of eatx, but i use an atx board in it yeh. it'll probably be fine smile.gif
Quote:
Originally Posted by Mike-IRL View Post

You could get a p8p67 EVO.
It doesn't support PCI-E 3.0 but for £120 that board is an extremely good overclocker.
It's supposed to be priced one step above the p8p67 pro.

thanks for the suggestion wink.gif
post #32 of 45
Yeah, it's better. It's just that current gen cards don't come even near to maxing out the pcie 2.0 x16, so if you buy a pcie 3.0 board you should be quite fine for years to come wink.gif
6950 CF is amazing, I loved every moment of it biggrin.gif Especially unlocked ones wubsmiley.gif
eatx = extended atx, I think the Asus Rampage boards are of that format. Not whole lot bigger, just a tad wider IIRC.

edit: Gigabyte UD7 boards come with 16x/16x IIRC, but I dunno if there's models that have both 16x/16x and pcie 3.0
Edited by Blizlake - 1/6/12 at 8:07am
post #33 of 45
Thread Starter 
Quote:
Originally Posted by Blizlake View Post

Yeah, it's better. It's just that current gen cards don't come even near to maxing out the pcie 2.0 x16, so if you buy a pcie 3.0 board you should be quite fine for years to come wink.gif
6950 CF is amazing, I loved every moment of it biggrin.gif Especially unlocked ones wubsmiley.gif
eatx = extended atx, I think the Asus Rampage boards are of that format. Not whole lot bigger, just a tad wider IIRC.
edit: Gigabyte UD7 boards come with 16x/16x IIRC, but I dunno if there's models that have both 16x/16x and pcie 3.0

yeh thats what i was thinking!

my 6950 is unlocked and overclocked so its basically a 6970 smile.gif gonna be amazing when i get a second one but i'll wait for prices to drop and get one later in the year!

i see, but you say my case supports eatx so i shouldn't worry about it?

thats good to know about those gigabyte boards. i may consider one of those as an alternative to a pci-e 3.0 board. i didn't see many pci-e 3.0 boards come to think of it, think it was just the msi ones from what ive looked at so far!
post #34 of 45
Your not going be able to do 16x/16x. SB only supports 16 pci express lanes. IB is going to support 16x/16x.

MSI Z68A-GD55 is the only board that i could find has true 16x/16x slots, supports IB, and is PCI 3.0.

Good luck on your mobo hunt.
    
CPUMotherboardGraphicsRAM
i5 2500K  Asus p8p67 Radeon HD 5850CF 8GB 1600mhz 9-9-9-34 
Hard DriveCoolingCase
Corsair Force Series 3 120GB NH-D14 push/pushpull/pull HAF-922 
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CPUMotherboardGraphicsRAM
i5 2500K  Asus p8p67 Radeon HD 5850CF 8GB 1600mhz 9-9-9-34 
Hard DriveCoolingCase
Corsair Force Series 3 120GB NH-D14 push/pushpull/pull HAF-922 
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post #35 of 45
Thread Starter 
Quote:
Originally Posted by diwalton View Post

Your not going be able to do 16x/16x. SB only supports 16 pci express lanes. IB is going to support 16x/16x.
MSI Z68A-GD55 is the only board that i could find has true 16x/16x slots, supports IB, and is PCI 3.0.
Good luck on your mobo hunt.

i didn't realise the cpu could limit that. so my 955 can do something better than sandy bridge cpu's? i dont think that msi board does x16/x16. i thought it was x8/x8? it does have multiple x16 slots but i dont think they actually run at x16 when you have more than 1 card in there. it doesn't actually state on the msi site from what i can see but ive read the spec for it on a couple sites that sell the board and they say that...
post #36 of 45
Quote:
Originally Posted by diwalton View Post

Your not going be able to do 16x/16x. SB only supports 16 pci express lanes. IB is going to support 16x/16x.

MSI Z68A-GD55 is the only board that i could find has true 16x/16x slots, supports IB, and is PCI 3.0.

Good luck on your mobo hunt.

Not true 16x/16x, only by using NF200 IIRC.
Quote:
Originally Posted by ET900 View Post

yeh thats what i was thinking!

my 6950 is unlocked and overclocked so its basically a 6970 smile.gif gonna be amazing when i get a second one but i'll wait for prices to drop and get one later in the year!

i see, but you say my case supports eatx so i shouldn't worry about it?

thats good to know about those gigabyte boards. i may consider one of those as an alternative to a pci-e 3.0 board. i didn't see many pci-e 3.0 boards come to think of it, think it was just the msi ones from what ive looked at so far!
Honestly, I'd choose a solid Gen3 board with 8x/8x pcie3.0 lanes over an older board that could do 16x/16x but is just pcie 2.0. The 6950's wont be bottlenecked by 8x lane but if you were to upgrade to 7-series graphics you'd only get to use 'em at 100% on a 3.0 board.
post #37 of 45
Thread Starter 
Quote:
Originally Posted by Blizlake View Post

Not true 16x/16x, only by using NF200 IIRC.
Honestly, I'd choose a solid Gen3 board with 8x/8x pcie3.0 lanes over an older board that could do 16x/16x but is just pcie 2.0. The 6950's wont be bottlenecked by 8x lane but if you were to upgrade to 7-series graphics you'd only get to use 'em at 100% on a 3.0 board.

Yeh thats what i was thinking. i do wanna go for pci-e 3.0 for future use. im hoping to keep my new mobo for at least 3 years so it'd be a wise choice! it hurts the wallet bad when you upgrade to many things in such a short space of time! ive already upgraded my gpu in the last couple months and now the cpu, cpu cooler, ram and mobo... im hoping to space out my upgrades i bit more after this like i normally do smile.gif
post #38 of 45
Thread Starter 
i feel like im pretty comfortable with choosing the hardware now after the help here so thanks all, seriously smile.gif

i have just considered something though which im not sure much has been said about here and ive tried to look into but it seems a bit uncertain - can i run 2000mhz ram with a 2500k? it states that you can only use up to 1333mhz ram on intels website but i know people are running 1600mhz ram with 2500k's, although i dont know if they're running it underclocked or not. i know i probably wont see much difference with 2000mhz ram but am interested in the possility of it. can anyone confirm this? also are there any arguments for or against doing so? thanks!
post #39 of 45
^ Yes you definately can, I had 1600mhz CL7 ripjaws running on said specs. Intel however says max 1333mhz and everything above that is considered overclock and you might need to manually set your ram to run on its advertised speed from bios.

And you're welcome smile.gif
post #40 of 45
Thread Starter 
Quote:
Originally Posted by Blizlake View Post

^ Yes you definately can, I had 1600mhz CL7 ripjaws running on said specs. Intel however says max 1333mhz and everything above that is considered overclock and you might need to manually set your ram to run on its advertised speed from bios.
And you're welcome smile.gif

ah i see. i might end up getting some 2000mhz ram then depending on prices and cache latencies!
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