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Building a Crypto Mining Rig


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Building a Crypto Mining Rig

  #11 (permalink)
 
Silver Dragon's Avatar
 Silver Dragon 
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lexknight View Post
Good luck with it all, I've had a blast with mine. I started back last June, something I had always kicked around and finally got into it. I've got 2 rigs running now, a combination of RX480s, 580s and a few 5700xts. Was a huge pain for months, just had to babysit it, continually something would go wrong, it'd run fine for 4 days then have nothing but issues for 3 more, etc. Few months ago I switched from NiceHash to BetterHash and its ran for 3 months straight untouched, love it. It's about as close to printing money with no effort (once set up) as you can get. 2nd rig isn't complete yet, cards became super hard to come by at a decent price obviously the last few months when things took off.

Here's a picture of mine, I've added a few cards to the bottom rig since this and cleaned up the cable situation some.

Here's a link to the picture, can't quite seem to get it to work.
https://imgur.com/a/R8XE5ca


@lexknight

Nice setup! I see you have a at the wall watt meter. I need to get one of those. Does the one you have work as advertised? How is the heat coming off your rig? If you dont mind me asking what is the MH/s rate for the entire rig?

Robert

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  #12 (permalink)
 
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danielk View Post
Mining is cyclical, as in many will attempt it when the price is high, creating huge demands for equipment - only to bust at some point and you'll see people selling mining rigs fairly cheap as they can no longer generate a profit. The efficiency of mining also increases rapidly with newer tech, like the launch of the RTX 30xx series gfx cards NVidia did around half a year ago that is still in very high demand and very difficult to acquire. In comparison, one generation doubled the efficiency (new gen releasing roughly every 2-3 years) if you compare a 2080 vs a 3080 its 217% more productive generating $9,43 profit daily (rough guesstimate) while purchasing one realistically will cost you around $1000 despite the recommended retail price being $700ish.

So the required investment is fairly high and somewhat difficult, the tech is short lived, and any profits are completely at the mercy of the volatile crypto prices and electricity prices. If you scale things up, you could hedge power costs with electricity futures if you manage to access a power exchange, though that opens a new can of worms potentially adding losses from the hedging and limiting you to juggling 1Mwh chunks of power per contract (thats 1.000.000 Watts per hour, pretty huge).

From a business perspective it seems like a high risk endeavor not really worth the time and hassle, unless you just want to do it for the fun of it as a hobby or experiment.


@danielk

I would agree it is high risk. however, I am in it for a couple of reasons; I love building computers. This is in my wheelhouse of what I am good at. As far at the business model goes, I would say right now its more of a experiment. I dont see myself getting out of it even it becomes unprofitable. The reason is I will be using any money made to buy speculative positions in other crypto. The reality is I only have to be right in one of them. Right now I plan on converting the ETH to Raven. It is supposed to halving in January of 2022. Plus with the EIP 1559 coming in July it could give it a boost.

To your point about it being cyclical, I remember when ETH dropped off last year after the huge run up. Had I been mining then, even at a loss, I would have more than made up for it with the run back up. To me this is a investment. Buy low sell high as the old saying goes.

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  #13 (permalink)
 
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GruttePier View Post
I thought about creating a thread like "Show you rig", but you were ahead of me

I'm in the process of building a rig too. I've ordered parts which are yet to be delivered. I ordered a Gigabyte GA-H11-D3A with Intel Core i5-7400, 8gb of memory and 850W power supply. I know the power is limited but will add another one when I needed.

I already have 2 3070's, these are running currently in my trading pc and my son's gaming pc (which he likes very much, hehe). I've ordered a 3080 also, but it's not available currently.

I'm mining ETH at Ethermine with lolMiner, approx 10 dollar daily on both cards (120 mh/s).
I'm exchanging the mined ETH for Ravencoin.

I'm planning to run the rig on HiveOS, so looking forward to your experience since it's new to me.

Will post pictures once the rig is complete.


@GruttePier

Nice setup! I was going to go with the 3080s but they were out of the price range I wanted to pay for it. I am doing the same thing with ETH and Raven.

Take a look at HiveOS. One of the cool features is they can suggest popular settings for overclocking for your video card. I was able to squeeze another 10% out of the card with their suggested settings. Example is below.

I tried lolminer but had a better hash rate with T-Rex miner.

Keep us updated on your progress!

Robert



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Here are my current numbers for the video card. Ignore the consumption stat. It is not correct. I need to get a at the wall watt meter for a accurate reading.

The RTX 3060 TI hash rate out of the box was 55.75. After testing different overclock settings it is now up to 63.60. I think there is some room to go to the upside. I really need to get a accurate at the wall watt reading to really fine tune it.





One of the nice features with HiveOS is to be able to apply changes to the overclocking remotely and logging in remotely. You can setup overclock templates for the coin your mining and it automatically applies the OC changes when the mining starts. It also allows for changes on the fly. As a test I upped the memory from 2950 to 3000. The hash rate went from 63.41 to 63.60. See second screenshot. It took 30 seconds to make and apply the change.






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  #15 (permalink)
 
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Silver Dragon View Post
...
The RTX 3060 TI hash rate out of the box was 55.75. After testing different overclock settings it is now up to 63.60. I think there is some room to go to the upside. I really need to get a accurate at the wall watt reading to really fine tune it.
...

Interesting, my RTX 3060 Ti stays around 51.5 MH/s:
GPU1: 67C 66% 182W
GPUs power: 182.4 W
Eth: New job #534418bc from etc.2miners.com:1010; diff: 8726MH
Eth speed: 51.429 MH/s, shares: 2/0/0, time: 0:02
Eth speed: 51.468 MH/s, shares: 2/0/0, time: 0:02
Eth: New job #0763c81e from etc.2miners.com:1010; diff: 8726MH
Eth speed: 51.495 MH/s, shares: 2/0/0, time: 0:02

Overclocked things goes faster but weirdly I had few OS crashes, not sure if it's linked but no crash since I'm back to the normal config.
After a couple of weeks mining, only when I was working and when my office was a bit cold, I earned 14 cts... So not worth the additional GPU noise, I've ended my crypto-miner career.

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sam028 View Post
Interesting, my RTX 3060 Ti stays around 51.5 MH/s:
GPU1: 67C 66% 182W
GPUs power: 182.4 W
Eth: New job #534418bc from etc.2miners.com:1010; diff: 8726MH
Eth speed: 51.429 MH/s, shares: 2/0/0, time: 0:02
Eth speed: 51.468 MH/s, shares: 2/0/0, time: 0:02
Eth: New job #0763c81e from etc.2miners.com:1010; diff: 8726MH
Eth speed: 51.495 MH/s, shares: 2/0/0, time: 0:02

Overclocked things goes faster but weirdly I had few OS crashes, not sure if it's linked but no crash since I'm back to the normal config.
After a couple of weeks mining, only when I was working and when my office was a bit cold, I earned 14 cts... So not worth the additional GPU noise, I've ended my crypto-miner career.

@sam028

Limit your power to 140
adjust the core to -510
adjust the memory to 3100

This produces 64 MH/s. The Temp hits 60c and the fan hardly runs at all.

Robert

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Couple people mentioned they were exchanging ETH for RavenCoin. Curious, what platform are you using to purchase or exchange it?

Thanks!
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Silver Dragon View Post
Couple people mentioned they were exchanging ETH for RavenCoin. Curious, what platform are you using to purchase or exchange it?

Thanks!
Robert

https://ravencoin.org/buy-ravencoin/

I have not used any of these exchanges

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You might look at Polygon (MATIC), they have a layer 2 on top of Ethereum and gas is basically free by comparison.

I use Uniswap otherwise.

https://quickswap.exchange/

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