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Author Topic: Pictures of your mining rigs!  (Read 1621131 times)
philips
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October 07, 2012, 07:20:52 PM
 #1441

Ah silly me, it was enough to follow the monitor cable Smiley
Anyway, nice rig. Very stylish.
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October 07, 2012, 07:22:42 PM
 #1442

Well, I made mention of it in another post so I guess I better officially post my pics and my explanation of the setup.

Been doing Bitcoin for almost a year now.  Started with one rig that is running with 4 5850s using box fan to keep system cooled.  Ive been using the spare bed room since its just a storage room for now.  Main advantage is that I can keep the room closed and keep the noise to a min.

Of course I wanted to expand to more rigs, but I did not want to overload the breaker for the room.  I don't have any other spare rooms, and I cant have a rig with a box fan in a usable room.  So I decided to make up a submersion rig.  Ive seen these for years on youtube and I always wanted to try it.  So this was my chance.  The advantage was that I could place the rig in the garage and since the system will be "sealed" I don't have to worry about dirt, bugs, mice, etc getting into the computer like if I used a traditional air cooled rig.

So after alot of digging and planning and errors I got it going.  It is not running at 100% yet, only cause I greatly underestimated the cooling needs with 4 video cards.  I do have a triple radiator on order with some high speed fans, so that should give me the cooling required to run the cards at full speed.










It runs very quiet.  Only sound you hear is the fans since the pump is submerged.

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October 08, 2012, 12:53:50 AM
 #1443

I did have a buddy try that. not mining but just gaming. you will need a much bigger radiator than that, car radiator, transmission cooler, something. Also you will want a really high flow pump as you will probably get about a 10th of what the pump is rated

Well, I made mention of it in another post so I guess I better officially post my pics and my explanation of the setup.

Been doing Bitcoin for almost a year now.  Started with one rig that is running with 4 5850s using box fan to keep system cooled.  Ive been using the spare bed room since its just a storage room for now.  Main advantage is that I can keep the room closed and keep the noise to a min.

Of course I wanted to expand to more rigs, but I did not want to overload the breaker for the room.  I don't have any other spare rooms, and I cant have a rig with a box fan in a usable room.  So I decided to make up a submersion rig.  Ive seen these for years on youtube and I always wanted to try it.  So this was my chance.  The advantage was that I could place the rig in the garage and since the system will be "sealed" I don't have to worry about dirt, bugs, mice, etc getting into the computer like if I used a traditional air cooled rig.

So after alot of digging and planning and errors I got it going.  It is not running at 100% yet, only cause I greatly underestimated the cooling needs with 4 video cards.  I do have a triple radiator on order with some high speed fans, so that should give me the cooling required to run the cards at full speed.










It runs very quiet.  Only sound you hear is the fans since the pump is submerged.

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October 08, 2012, 05:18:19 AM
 #1444

Geez! What kinda liquid you using?

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October 08, 2012, 05:55:52 AM
 #1445

Geez! What kinda liquid you using?

If it is just like any other submerged system, it should be mineral oil.

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October 08, 2012, 06:11:05 AM
 #1446

Geez! What kinda liquid you using?

If it is just like any other submerged system, it should be mineral oil.

Yeah there's not much else you can use that's clear, unless you spend 100's of dollars a gallon on something like Fluorinert. But damn that would be cool. Thermal conductivity of mineral oil is much lower than water. But on the bright side, systems seem to stay stable at higher temps, because there are no hot spots

but technically I'm pretty sure you could submerge a computer in distilled water if you could totally seal the system from any metals entering the system, but that's probably impossible
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October 08, 2012, 10:35:47 AM
 #1447


Info on cool rig!


Sweet rig, was it difficult to setup?

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October 08, 2012, 02:42:38 PM
 #1448


Info on cool rig!


Sweet rig, was it difficult to setup?

since he said, yes, i would venture......yes



So after alot of digging and planning and errors I got it going.  It is not running at 100% yet, only cause I greatly underestimated the cooling needs with 4 video cards.  I do have a triple radiator on order with some high speed fans, so that should give me the cooling required to run the cards at full speed.


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October 08, 2012, 03:47:53 PM
 #1449

I guess the problem now will be finding a buyer for four very greasy GPUs when ASICs hit  Cheesy
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October 08, 2012, 08:37:47 PM
 #1450

Quote
but technically I'm pretty sure you could submerge a computer in distilled water if you could totally seal the system from any metals entering the system, but that's probably impossible

tried that ... ittl run about 5 minutes and then switch off forever Smiley

Distilled water doesn't stay "clean" very long


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October 09, 2012, 01:24:33 AM
 #1451

So if your using a radiator with a fan to cool it.....why bother submerging it? I thought the whole idea of submerging the entire system was to eliminate the need for fans.
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October 09, 2012, 01:33:24 AM
 #1452

So if your using a radiator with a fan to cool it.....why bother submerging it? I thought the whole idea of submerging the entire system was to eliminate the need for fans.
You need to cool the oil unless you're planning on submerging it in a much, much larger tank.
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October 09, 2012, 04:06:43 AM
 #1453

I remember when people first did these, blew me away.

Is that a fan on the cpu running?
Video would be cool.

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October 09, 2012, 04:26:35 AM
 #1454

I remember when people first did these, blew me away.

Is that a fan on the cpu running?
Video would be cool.
Ya, it's so weird to think that the fans are still running completely under the liquid. They usually run at a lower RPM, due to the higher resistance, IIRC.

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October 09, 2012, 04:34:29 AM
 #1455

I remember when people first did these, blew me away.

Is that a fan on the cpu running?
Video would be cool.

Interesting story.  One of the cards had a almost stuck fan.  After I put it into the oil, the fan started to spin again.  First start and stop, then 100%.  Though the system reads the fans only spinning at 250RPM at 100%.   Grin


To answer some of your questions:

I am using mineral oil.  Though around here the only mineral oil that I can get local is used as a farm animal laxative.  I can order it online, but the shipping kills me.  One Gallon jugs are already $15 each and this rig is using a 20 gallon tank, though only using 15 gallons.  There are videos of people using vegetable/cooking oil, but while its cheaper, you have to change out the oil after several months.  Mineral oil, if kept covered, should last years (tested by one company for over 5 years to date)

The setup was not that hard.  I was going on ideas and guesses.  I could have bought the kit from a company for $500 but it would only hold 3 dbl slot cards.  Since I was piecing it together there was a lot of error to get pieces right, but with experience I know what to expect now.

The idea of submerging it for me at least, is the advantage that you don't need to buy water blocks for your cards.  Each block can cost you 80-100 each, that is if you have a current video card.  Since most miners (imo) use older cards, harder to find water blocks.  

For me it was the fact that I could keep the computer in a "dirty" location, and not worry about the computer getting covered in dirt or bugs.  Plus keeping it in the garage takes care of any noise issues.  There is a night and day difference between air rig and oil rig with noise and possible heat, but there is also a 2x-4x cost difference between the air and oil.  So it comes down to need or desire.

Ill post of a video of air rig and oil rig after I get my triple Rad installed and get the oil rig running at 100%.  I think my issue is now that all the cards running 100% heats the oil up enough that it causes the USB controller on the motherboard to overheat and it reboots, but it hangs while initializing the USB controller.  The big downside to the oil rig, is it heats up everything.  So if one thing has a low threshold, then everything fails.  The rig would work on air, if I had a box fan blowing directly through it (not in the tank).  So I know it will work, just need enough cooling.

So expect some video this weekend.

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October 09, 2012, 04:37:59 AM
 #1456

Interesting story.  One of the cards had a almost stuck fan.  After I put it into the oil, the fan started to spin again.  First start and stop, then 100%.  Though the system reads the fans only spinning at 250RPM at 100%.   Grin
I wonder if fans would last longer like this. They're already swimming in oil, so no need to re-lubricate them.

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superfastkyle
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October 09, 2012, 07:26:09 AM
 #1457

the oil will get dirty and yellow in usually about 6-8 months and then you will need to buy a fuel filter or something to get it like new again


For me it was the fact that I could keep the computer in a "dirty" location, and not worry about the computer getting covered in dirt or bugs.  Plus keeping it in the garage takes care of any noise issues.  There is a night and day difference between air rig and oil rig with noise and possible heat, but there is also a 2x-4x cost difference between the air and oil.  So it comes down to need or desire.

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October 09, 2012, 07:48:38 AM
 #1458

To answer some of your questions:

I am using mineral oil.  Though around here the only mineral oil that I can get local is used as a farm animal laxative.  I can order it online, but the shipping kills me.  One Gallon jugs are already $15 each and this rig is using a 20 gallon tank, though only using 15 gallons.  There are videos of people using vegetable/cooking oil, but while its cheaper, you have to change out the oil after several months.  Mineral oil, if kept covered, should last years (tested by one company for over 5 years to date)

The setup was not that hard.  I was going on ideas and guesses.  I could have bought the kit from a company for $500 but it would only hold 3 dbl slot cards.  Since I was piecing it together there was a lot of error to get pieces right, but with experience I know what to expect now.

The idea of submerging it for me at least, is the advantage that you don't need to buy water blocks for your cards.  Each block can cost you 80-100 each, that is if you have a current video card.  Since most miners (imo) use older cards, harder to find water blocks.  

For me it was the fact that I could keep the computer in a "dirty" location, and not worry about the computer getting covered in dirt or bugs.  Plus keeping it in the garage takes care of any noise issues.  There is a night and day difference between air rig and oil rig with noise and possible heat, but there is also a 2x-4x cost difference between the air and oil.  So it comes down to need or desire.

Ill post of a video of air rig and oil rig after I get my triple Rad installed and get the oil rig running at 100%.  I think my issue is now that all the cards running 100% heats the oil up enough that it causes the USB controller on the motherboard to overheat and it reboots, but it hangs while initializing the USB controller.  The big downside to the oil rig, is it heats up everything.  So if one thing has a low threshold, then everything fails.  The rig would work on air, if I had a box fan blowing directly through it (not in the tank).  So I know it will work, just need enough cooling.

So expect some video this weekend.

Thanks for answering our questions, I am looking forward to the video Smiley.

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superfastkyle
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October 09, 2012, 06:15:35 PM
 #1459

@elrodvoss

I think your neglecting the fact that it will take 8-12 hours for that much oil to reach max temperature. Oil cooling just doesn't work well for mining. It would be fine for gaming as you never game for that long straight, well normal people anyways. Maybe if you use the triple radiator and the double it may be enough but even that's doubtful. I'm just trying to help so you don't waste your money on something that doesn't work. It will be way better and cheaper in the long run to take a trip to a junk yard and get one. Just because that radiator says it will dissipate 700w with water does not mean it will do it with oil running through it. The oil acts much different than water because it had a much lower thermal conductivity 0.162 vs 0.58.
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October 10, 2012, 02:32:18 AM
 #1460

I moved my rigs to the basement, decided to power them off my 250v 30A dryer socket for increased power efficieny and not needed to screw around with lower voltage and lower amperage circuits, and have since replaced my stressed evga nforce 790i sli ultra board with an msi z77a-g45.

Left rig has from bottom to top: XFX HD-585X-ZNFC (5850), SAPPHIRE 100281-3SR (5870), ASUS EAH5850 DIRECTCU/2DIS/1GD5 (5850), XFX HD-585A-ZNFC (Reference 5850), XFX HD-585X-ZNFC (5850), and GIGABYTE GV-R585OC-1GD (5850). The gigabyte's fans malfunctioned and have 2 x 80mm x 25mm fans tied onto it.
Middle rig has 4x 5970, all reference. Right rig has 4x 5870 and 2x 5970, all reference. All gpu's run at 1v except for the sapphire 5870 which is 1.05v and the Gigabyte which runs at an unknown, locked, high voltage (It's stable at 1030 MHz core).

Power supplies used are 750 watt NZXT HALE90 for the left one, Rosewill LIGHTNING 1300 watt for the middle one, and PC Power & Cooling 1KW-SR (1000 watt) for the right one. The rosewill powers one of the 5970 on the right. Power consumption is probably in the area of 2850 watts between the three (The middle one measured 985 watts when it was outside). Hashrates are 2150mhash for the left, 2854for the middle, and 2995 on the right.

Click pictures for bigger pictures.






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