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Did a little more research and found out the latest Gigabyte 7970s are all voltage locked. Looks like the best option now for overclocked 7970s is theSAPPHIRE 100351SR Radeon HD 7970 3GB 384-bit GDDR5 PCI Express 3.0 x16 HDCP Ready CrossFireX Support Video Card OC with BoostDefinitely going to have to come up with a custom way to mount these to the Lian Li test bench since I won't be able to fit all 4 in the 8 slots. They take up 2.5 slots.Look to start with mmitech's 740kh/s settings posted here:https://bitcointalk.org/index.php?topic=117221.msg1681478#msg1681478
I have the Gigabyte 7970. It comes with the gigabyte utility to adjust voltage. I just undervolted mine.
one of the cleanest rig I have ever seen.I can't wait for the final results as I am really curious what temperatues you will get.I was thinking about building basically very similar rig but with watercooling (around $110 / block for 7970) with some external radiators. However, the ROI will be enourmous high.Moreover, I have 2 questions:1. Why didn't you use just the out-of-the-box CPU cooler? CPU won't be used much anyway, so it should't get hot.2. What is the overall price of the rig?edit:What parts did you use to construct the back part the is holding the GPUs?If heat will be an issue, maybe adding this over the top of the cards will help little bit http://www.ebay.com/itm/Lian-Li-PC-343B-Top-2-X-120mm-Fan-Plate-CCTOPFAN-/130512717889?pt=US_Computer_Case_Accessories_Tool_Kits&hash=item1e632a0841
How long ago did you get your card? They just started voltage locking them in the past 3-6 months.
Quote from: negreac on April 09, 2013, 12:30:34 AMHow long ago did you get your card? They just started voltage locking them in the past 3-6 months.I just got it from Amazon last week. I didn't realize they locked down the voltages. That sucks.
I absolutly dont get how you put your gpus on your motherboard. I guess two are in the normal applience and two with riser? I got the GIGA 990 UD3 and im not happy with it with 4 7970 cards. Is the GIGA UD5 much better? Would be really cool if you can explain that to me whats the best option with 4 7970.thank you and wish us luck
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