Description

So, a month ago, I threw together this trash heap as a proof of concept for mining. https://pcpartpicker.com/b/c9KBD3 <--trash heap

I wanted to see if I could actually make any money on it... and a month later, I've made about $60. So now that I know it's at least worth it, its time to perform some de-ghetto-fication on the trash heap and make room for more GPUs.

First things first, the two AMD space heaters trapped inside the gaming case was just to hot. Running 100% for literally 24/7 requires an open air set up. How do I solve this without cutting into my profit? Enter a dirty old milk crate.

I cut out some slots for the mobo and PSU, and set the mobo on a piece of cardboard to protect the pins and such. Everything in this rig is connected via zip-ties, so it can be easily changed and up-graded when I get more GPU's... which will be happening after its next payout. (See bottom of descript to see what the payout bought!)

It took me a few tries to figure out the orientation of how I wanted the PSU's, but I eventually found out that they just BARELY fit side by side laying flat. I cut out some extra chunks of milk crate so they could breathe a bit better.

Cooling: I took the fans out of the other case, as its not going to be used anymore, and set them up as a push/pull on either side of the crate to help circulate fresh air around the GPUs. This set up with only just two fans, has dropped the GPU's temperatures by 8-12C when at full load. This is a drastic improvement, as the old set up was utilizing 4 fans as well as a high performance delta server fan, which was loud as hell. Now it's silent as can be and runs much much cooler. The milk crate works wonders.

Storage: Basic HDD and SSD set up, normally it would just be the SSD, but this computer will also be functioning as my home cloud for bulk storage.

Power: I only had two spare PSU's at the time of assembly, and neither one supported dual GPU's... so both are getting used. Before I bought the little add2psu board shown in the pics, I had the 2nd PSU jump started with a paperclip. The paperclip worked fine, but I had to flip the switch on the PSU at the time exact time as I turned on the other PSU, or they wouldn't be synced up. The new board takes care of the timing and I just have to turn the computer on normally, and the board boots up the 2nd PSU on time. When I get another GPU I'll have to get some molex to 8pin adapters, or upgrade PSU as well.

Network: Using a basic USB wifi adapter, it gets surprisingly good connection being out in the garage next to the HVAC/Water Heater.

If you didn't have a milk crate lying around like me... they can be found for $5-$10... walmart sells them. All in all I wish I had started this a long time ago, it would have already payed for my 1070 :) But the goal of this now is to do exactly that... it will generate the funds to upgrade my gaming machines and my wife's. :)

Thanks for readin!

Update: I used the profit from this rig to buy a used 1000w PSU, and 2 extra tahiti cards. (for $180 total) This rig now makes approximately $115 a month. You can track its progress and performance here! :D https://zec.nanopool.org/account/t1fpJhZcRsF2APS5PSf28fC8xPRGhE6vYp5/POS

See last two pictures.

Comments

  • 24 months ago
  • 4 points

Looks like the Chinese chop shop made a build +1

  • 24 months ago
  • 3 points

rip the paperclip. can you add it for ***** and giggles

  • 23 months ago
  • 1 point

It's tied in with one of the zipties for good luck :)

  • 23 months ago
  • 1 point

Nice.

  • 24 months ago
  • 2 points

you made $60 in a month? with this rig? can you explain a bit more about the software side of this build and what you mine etc?

  • 23 months ago
  • 1 point

Software is fool proof, just put in your wallet address and start mining. I mine zcash with this rig. Now makes $115 a month, It's been updated, see bottom of description.

  • 24 months ago
  • 2 points

I'm hoping you made $60 with power costs considered

  • 24 months ago
  • 1 point

Yup! Power is flat rate for me.

  • 23 months ago
  • 1 point

Now makes $115 a month. It's been updated, see bottom of description.

  • 24 months ago
  • 1 point

Where did the paperclip go?

  • 24 months ago
  • 1 point

It's tied up with one of the zip ties for good luck ;)

  • 24 months ago
  • 1 point

This is great, just like the last "trash heap" you did. I might have to build a janky mining rig just for fun. I will have an old Radeon 6970 sitting around soon.

  • 24 months ago
  • 1 point

On this season of scrapyard wars. JK

So is the $60 after you took into account the power cost? Because if not then you are not looking at $60 profit its just $60 income. If this wasn't a mining rig I both complement you for creativity and knock for how bad it looks. But since you are just going to probably put it somewhere and forget about it, It does not matter. So how easy or hard was it to get all the mining software setup? I am semi fascinated by this whole thing.

  • 24 months ago
  • 2 points

I live on a military base, so power is flat rate. It sits in the garage next to the hvac so it's very out of sight out of mind :p

The software is basically plug and play, it's incredibly easy. If I had to pay for power it would barely be profitable

  • 24 months ago
  • 3 points

Well that's good to hear. Next time you see the base commander tell him that tax dollars are being spent so you can make money off a pc in your garage. lol

  • 24 months ago
  • 2 points

I'll be sure to bring that up lmao!

  • 23 months ago
  • 1 point

Now makes $115 a month ;) It's been updated, see bottom of description.

  • 23 months ago
  • 2 points

Cool. Just keep upgrading it and you will eventually be kicked off the military base because you spent $130,000 of tax dollars on a mining rig that got you $5,000. Lol. jk. Keep it up.

  • 24 months ago
  • 1 point

How much power are you drawing with this set up, or is the second PSU for redundancy.

  • 23 months ago
  • 1 point

770w after 24h of mining, keep in mind it's been updated since you asked this. Now has 4 cards

[comment deleted]
  • 24 months ago
  • 0 points

Fantastically hilarious proof of concept, goes to show you can make money from a bunch of cheap components strung loosely together in a dusty old crate. I love it!

  • 23 months ago
  • 1 point

Thanks! :)

[comment deleted by staff]
  • 24 months ago
  • 5 points

As explained in the post, the standard case made the components run much to hot. Silly goose :)

  • 24 months ago
  • 2 points

Please keep feedback polite and constructive.

[comment deleted]
  • 23 months ago
  • 1 point

zcash