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choosing 7970 based on outputs

post #1 of 13
Thread Starter 
hey guys,

I am looking to upgrade soon, and am trying to choose my GPUs... it looks as though i will be going with dual 7970s, but from what i have noticed, most of the 7970s have prity terrible output options frown.gif... the other problem, is that i would like a card that had a full cover block availible for it (reference PCB would be preferable)... my monitor setup will contain 3 monitors and be either 3x 1920x1200 or 1x 1600p and 2x 1600x1200 monitors... i mainly just need advise on if there are any refrence PCB cards with different outputs (before you tell me that makes it not ref, they did it for the 4870s)... i was also looking into lightnings, but i have always hated EK nickel blocks (if they had a copper lightning block, i would get it hands down) and i was looking at the 6GB venom cards, but once again. no full cover blocks yet frown.gif

thanks in advance,
-esk smile.gif
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post #2 of 13
Why don't you like nickel blocks?

If you don't have your monitor setup now, you could just get displays that have displayport outputs, and then the Lightning would be a viable choice (but you'd have to explain your hatred of nickel blocks)
post #3 of 13
Thread Starter 
Quote:
Originally Posted by Tephnos View Post

Why don't you like nickel blocks?
If you don't have your monitor setup now, you could just get displays that have displayport outputs, and then the Lightning would be a viable choice (but you'd have to explain your hatred of nickel blocks)

because of the way blocks are plated with nickel, they all corrode (its simply a question of how quickly)... also, as copper blocks corde and egt worn in, they actualy increase in performance because the microscopic pitting increases the surface area of the block exponentially... compared to flaking and clogging, i simply cannot justify the use of a nickel block (and EK is a PITA for nickle corrosion RMAs)... and i plan to get dsiply port ready monitors (as i dont see another way to go) but i thought i would ask the forums option for some help on other ideas smile.gif
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post #4 of 13
How long do you plan to own the card?

Doesn't sound like you would own it long enough for corrosion to be any kind of a real problem.
post #5 of 13
Thread Starter 
Lol... This would be my first real over haul since i got this pentium D (the GPUs I have now were used for a computing power project we r not allowed to talk about and payed for them selves thumb.gif)... I keep my year for atleast 2-3 years... I build PCs for a living, and have done quite a few WC builds in the past and deal with all RMA for my customers (hence the experience with ek nickel corrosion RMA)... Though I have only had to do it twice, I would prefer not to have to a third... though interestingly enough any other RMA I have ever done with EK (and there have been quite a few because they copper blocks are my favorite blocks on the market) have gone absolutely without a hitch... My main problem is that I have been out of the game on GPUs and monitors for a few months for various reasons, and am a bit behind on output configurations (cause almost my entire time working with comps u never wanted to mix output types and now it's almost a necessity)
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post #6 of 13
OP a reference HD 7970 has a dual link DVI. here is a sapphire hd 7970 oc with dual link dvi, single link dvi , hdmi and displayport . you will need a displayport to dvi adapter to connect the third monitor.

http://www.newegg.com/Product/Product.aspx?Item=N82E16814202008
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post #7 of 13
Thread Starter 
Quote:
Originally Posted by raghu78 View Post

OP a reference HD 7970 has a dual link DVI. here is a sapphire hd 7970 oc with dual link dvi, single link dvi , hdmi and displayport . you will need a displayport to dvi adapter to connect the third monitor.
http://www.newegg.com/Product/Product.aspx?Item=N82E16814202008

so does that mean the mixing outputs is no longer a problem at all? (even with and HDMI in the mix?) because this use to cause terrible tearing... i was looking into the 7970 DCII and it seems like it may be the best option so far... EK makes a copper block for it, and it has a 4x DP mode (which is the best i can find so far)
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post #8 of 13
i have sapphire 7970 oc and it came with hdmi to dvi and a DP to dvi active adapters. so with it u can run triple screens on dvi.
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post #9 of 13
accessories

CrossFire™ Bridge Interconnect Cable
8 PIN to 4 PIN Power Cable
DVI to VGA Adapter
Mini-DP to DP Cable

6 PIN to 4 PIN Power Cable
HDMI to SL-DVI Adapter(Full Retail SKU only)
Mini Display Port to SL-DVI Active dongle
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post #10 of 13
I have a 7950 I just got yesterday after my 6870 kicked the bucket and my eyefinity setup lacks monitors with a display port so due to the lack of 2 DVI ports, I use 1x DVI , 1x mini DP to DVI (Active) , and 1x HDMI to DVI. Currently it is working flawlessly for me with the 7950.
No tearing at all. I used to notice the occasional tear when I did this on my 6870 but the 7000 series seems to have no issues with mixing output options.
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