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Discussion Starter · #1 ·
Hey guys,

Looking at getting a pair of 7970s and last time I had 2 I got shafted as they were the later revision of the windforce 3's that were voltage locked. In Aus we still have the Lightning Boost editions available but I was wondering if there were any other models that are worth consideration?
 

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Other than Lightning BE I'd say the ASUS ROG MATRIX Radeon HD 7970 Platinum. They tend to be in thier own leagues, but also tend to best be used on other than air. On air, imo, Sapphire 7970 oc/boost puts up good numbers along with Msi oc/pe and His. I know the Sapphire and Lightnings are unlocked, probably Msi's too.
 

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Discussion Starter · #3 ·
Ah see I will be putting them under water so I need something that is either reference designed board OR has a compatible waterblock.
 

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MSI HD 7970
http://www.pccasegear.com/index.php?main_page=product_info&cPath=193_1309&products_id=19124

HIS HD 7970 model no H797F3G2M
http://www.mwave.com.au/product/sku-aa78413-his_amd_radeon_hd_7970_3gb_video_card

these are reference HD 7970 PCB models.

www.coolingconfigurator.com

this site lists all cards and you can check for compatibility with full cover waterblocks. when you choose a certain model in the page you will have "AMD reference PCB design checked by EK" and you will find full cover blocks listed.
 
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