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More pictures    asking price: $4,255.00 + you pay for the shipping cost. |
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More pictures   I'm asking for 6.25BTC (base on coinbase) - FREE SHIPPING Have more question or want to make an offer please email me at bitcoindude80 [at] gmail.com |
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Well the good thing is I'm not a scammer! |
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Hi everyone, This is NOT a scam, so here is my invoice to prove that I have the product and ready to ship! Since I'm no longer interest in mining for bitcoin, I'm selling all my bitcoin mining hardware. This thing is HUGE and HEAVY!! I'm selling this because I do not have anywhere to put it in my office. I still have not open up or setup the machine, it's impossible to carry this thing up many flight of stairs. Have more question or want to make an offer please email me at bitcoindude80 [at] gmail.com |
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230 GH/s Rack Mount Bitcoin MinerReceived on 1/22/2014 and ready to ship(US ONLY)Asking price: Make an offer (BTC payment only)Here is my rating on amazon seller central: http://www.amazon.com/shops/AS07VTHKMPZA6Feel free to contact me at bitcoindude80 [at] gmail.com 
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Is it possible for a local pickup? I'm 5 minutes away from your office.
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If they have a Santa Clara address, I can go visit them right now!!  |
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Finally got my 4 * 7970 up and running!!  Nice job! Are the big fans blowing downwards? Maybe you want them to suck air upwards, in the normal direction the heat would go. That could optimize airflow and temperatures. Thanks for the feedback Sophokles!! I've put it on the side now so it'll blow hot air out the window. |
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x16 -> x16 = I have 4 in stock x1 -> x16 w/molex = I have 1 in stock x1 -> x16 = I have 1 in stock I've bought too many of these for my rig, and I no longer need it. I will ship this from California to anywhere in the US only. Make me an offer. I will accept BTC  |
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Finally got my 4 * 7970 up and running!! |
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There you go. This is the stable configuration with 4 cards. There is a bit of space between the cards and the PSU, so I'm currently fitting a fifth one in there   It's awesome!! Where did you get the hardware for that open air rig? |
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You don't need special configuration, just plug in the risers. But not all combinations of PCIe slots work. Was a bit of trial and error until all cards got recognized.
OS is Win 7.
Will post some pictures later!
Thanks Sophokles! |
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I have 2 x standard Gigabyte 7970, etc and can get 750K/hash per card at 80-85C temps. I lower it to 718k/hash to keep temps below 79C
what is your setting? I can only get it to go up 700kh/s without crashing. Thanks |
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still trying to setup my first rig with 4 GPU |
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I have this motherboard = GIGABYTE GA-990FXA-UD5
3way AMD CrossFireX and SLI multi-graphics support You will need a powered riser for at least the fourth card, I would suggest at least two just to be safe, though. 7970's are power hungry. Actually, I have the exactly the same setup (mobo and cards) running with 4 cards, without powered risers. Has been running stable for weeks (mining litecoin), no problem so far. I have just mailed Gigabyte customer support if its ok to plug in a fifth card... We keep you posted about the results, hehe. Do you have a picture to share with all of us With 4 cards do you have to do any kind of special configuration? or just plug it into the motherboard with the riser cable? What OS are you running? |
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Can i use all x16 by x16 riser cable for all slots? because the there is one x4 and one x8 and two x16.
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Thanks for the feedback AzureEngineer!!
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I have this motherboard = GIGABYTE GA-990FXA-UD5
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