Hi, thank you all for your answers.


I can't get exactly for max efficiency because it is in the inside of my apartment (not in the bedroom at least) and I want the setup to be as silent as possible.

I'm looking at the build proposed by philipma which is very cost efficient at first for the THs achieved, but i'm a bit reluctant to build it myself, even if it doesnt seem to be out of reach. I'm looking at the heaters at D-central that Ive found recently, which are more costly first but efficient nonetheless and pre-build. Do you guys know that ?

I bought recently 2 avalon nano 3 to have a first foot in mining and setup (september future)


I didn't precise but I don't have access to the outside unfortunately, I thought about puting one or two miners in my balcony but it will be too much work I think. I studied a bit the dry cooler and the setup seems to me a bit difficult, and the noise is still high I guess : here's an answer from someone from apexto
 --> "i checked the noise just now.
immersion cooling:
c2 tank, 45db.
c2 dry cooler, 65db."
So except if I manage to put the dry cooler in my balcony, I will still have some important noise from the dry cooler inside. But I may be wrong.

For the M66, I just checked and I confirm I don't have 3phase so it is out of the equation

For the heat issues, do you mean that whatever the solution I come up with, with 7kW of power, the miner(s) will generate too much heat ? In the worst case, I could turn off the miner(s) 2 months a year (from 86.000°F to 95.000°F at most in the summer).

I'm looking to your build but the DB level is still the main issue. I'm really looking the most silent setup, even at the cost at some efficiency (but still enough to be the most profitable).

Thank you again !

Thank you philipma1957 for your answer, that is interesting. I'm looking into your solution.

What would be the estimated DB of a 3000 RPM fan ? around 40 DB ? And four of them might be louder I suppose.

Why would you pick this instead of one more recent/efficient miner that would be liquid cooled or immerged ? Do you think it's more reliable hardware ? Easier to setup ? Quieter ? And I can try one first with a partial investment ?

The cons I see is I would need a bit more space than one new/efficient miner. It can be done but it is a bit less convenient. And maybe the risk that the miners are obsolete quicker ?

Thank you again, I'm looking into this

Hi Dave, thank you for your reply.

I'm more afraid about the setup for having a very silent miner (is it possible without much experience ?), and the durability of the miner. In the other hand, I'm quite confident about my cost of power and the price of btc which I'm convinced will be up in a long term trend. I plan to hold the BTC mined.

Do you have any experience in immerging a miner ? Is the result is less than 50 DB ? Can I do it with any miner ? If you have any advice on that I would be much grateful.

Thank you and have a nice evening !

Hi everyone, i'm glad i've found this forum with so much informations and insight regarding bitcoin mining.

I'm french and there is not so much quality resources available in my language.

I have access to cheap electricity (around 0,03$/kwh), and I would like to begin mining, with an initial budget (hardware investment) from 5k to 10k$ at most.

I have some important criteria, that are more important than pure efficiency (due to my cheap elec cost), and also the fact that I want to mine directly at my place :

- more or less 7000W max (in total, one or several rigs)

- Very silent hardware : I found some stuff about liquid-cooling and also immersion, I would like to know how I could best achieve a very silent mining, for example for working all day long next to the rig. I saw the s21 hydro but it says 50 DB online, I'm not sure it will be silent enough. Is the DB information is correct ? Can I found quieter ? Do I have to immerge myself any rig ? And subsequently, if I have to immerge myself a rig, I would have to buy the most efficient one I suppose ? Are they all compatible with this type of solution ?

- Durability : Due to the cheap electricity cost, i'm pretty sure it will be profitable during an extended period (maybe even after the 2028 halving), so I would like the hardware to last as long as possible, and to most preserve it (best ratio for down/over clocking for example).

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I begun to read a lot of stuff but didn't found answers for all my question, that is why I started this post.
For the setup, pools, etc., I begin to learn and I'm optimistic about succeeding after some researchs, even if for now I don't have all the knowledge.

For the pool, I look for one that is transparent (and share fees if possible), free or very cheap, even if the rewards are not everyday or even every weeks. It has to be big enough to ensure to find enough blocks to share regularly though. If you know any pools like that let me know !


Thank to you all in advance for your advices and expertise. Sorry if I did some grammar or spelling mistakes, I could use deepl or something like that but this makes me practice my english better !