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eljmuh
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February 05, 2018, 08:11:15 PM
Last edit: March 29, 2018, 01:30:27 PM by eljmuh
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Digital Drug Lord
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February 05, 2018, 08:25:54 PM
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Hello wonderful community,

We are thinking of packing this lovely place with 1080ti’s left and right. We will initially start with 18 GPUs to test the waters and see where the market is headed in Q2/Q3, after which we will go full throttle and aim to fit around 80-120GPUs in this lovely small space. Length is 260cm, width is 180cm, and height is 280cm. 2 aluminum vertical stacks across the MDB, each stack will have 6 rigs. Electricity is FREE. Outside temperature: Max of 55 degC with 90%+ humidity. Pictures below.

Questions time  Grin

[General] Is this feasible given the weather conditions? Would you go for this opportunity? What would you do differently? How would you lead this?

[Heat Management] a window AC will be installed in the already available slot. Another 2 ton AC will probably be installed above the MDB to spray the 2 racks with cool air. Will too much cooling increase the risk of humidity damaging the GPU’s everytime the door is opened? Should the temperature differential be minimal so avoid “fogging up”? In July/Aug, whenever you leave the car your glasses “fog up”. Will the GPU fog up and short? How can this be mitigated? Perhaps put some cut-up plastic drapes on the door to prevent humidity from entering? Any other foreseeable problems with heat management?

[Electrical] Below are pictures of our power source, can any of the electrical gurus on here guesstimate how much Amperes we will be limited with? I understand that a 6 GPU rig will take around (2500W). Power outlets here are 220/240 volts at 50 Hz, but it seems like we can take power straight from the board. If so, how can we do this?

[Framing] With a height of 280cm, how many rigs can I vertically stack? (Priority will be heat management) What is the recommended width of an aluminum stack?

Thank you in advance for any sort of feedback, help, and ideas! Will keep updating this thread.

Pictures:

https://imgur.com/a/VTAtQ



its -6 c where I live, and my 2 1080tis have warmed the ENTIRE upstairs of my house...

im starting to wonder about radiation, so I have placed shungite around the PC.

I walked into my house and was like fuck, this shit is REALLY warming up my house on the coldest days of the year...and this is just 2. you want 18?

be humble and work with what you can. start small before you buy 20 1080tis
2toestommy
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February 05, 2018, 08:41:25 PM
 #3

You will need a dedicated 200 amp service panel. Seal the structure. Bring fresh air in the the bottom and blow the hot air out off the top of the structure. Don't bother trying to use ac's to cool. Just keep pulling air from outside and removing it off the top. I run my 6 card miner rig off of a 15 amp dedicated circuit. I'm running 4 rigs each on a 15 amp breaker using #14 copper wire right to the panel

If you move enough air, and have your electrical correct all is well.
Give us some pics of what ya got goin on



Zepp74
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February 05, 2018, 08:42:53 PM
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Haha i do the same thing. I have a rig in my bedroom right now and my heater never kicks on. Saves me alittle in heating costs to offset the mining costs. The fan noise isnt too bad im kinda used to it now.
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February 05, 2018, 08:57:55 PM
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Don't know which GPU's you want to use. But 6 for 2500 watt seems a lot. I have 4 RX580 and they consume only around 800 watts. So 6 should come out around 1200W or so. You might get them lower, but as electricity is free i would go for maximum hash.

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