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I would like to do a GPU mining and I have a capital of about $ 2300. But I need a recommendations from experienced people to choose a better device for mining ethereum. My choice is in Shapire RX 480 for GPU, what do you think, please tell me your opinion.

The best advice is to go with the GPUs that you can get for a good price.
RX 470/480 , RX 570/580 , GTX 1060, 1070 are the best VGAs for ETH mining.
Radeons can easily do 29-31 MH/s whereas 1060 will perform around 24 MH/s and 1070 = 29-31 MH/s.
Radeons will require some tweaking and such to get the best results while 1060, 1070 is just an overclocking away to achieve the above results.

It's all down to numbers, just like any other business. Find a way to calculate what is most profitable, doing your own calculations and understanding them is of the utmost importance if you want to mine.

RX480 is good if you can afford at low price, but it will be easy to get RX580, as RX480 is not being manufactured anymore.
You chose right GPU for ETH mining.

Amd gpu is good for Eth, but many guarantee centers prohibit changing bios. If I were you, I would buy gtx 1060 3gb.

Hello Zarados,

I've been down that road a couple of months ago and I ended up building a 10 GTX 1060 rig for a little bit more than your budget.

Why GTX 1060 ? Simply because it gives the best ROI, it can produce 23MH/s (with Samsung memory) for 200$ or less. It's very power efficient, I have limited mines to 75W each and the whole rig takes 850W from the wall (all included: motherboard, ssd, gpu, ...)

GPU:
eVGA GTX 1060 (https://www.amazon.com/gp/product/B01KUADE3O/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01KUADE3O&linkId=bbb9bbd7cec1a8cd63735e068b63ce8f) (199$)

Motherboard:
Asrock Mining motherboard 13PCIe (https://www.amazon.com/gp/product/B073S5YV3J/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B073S5YV3J&linkId=bae49b0a96473a6092afac791d420ee0) (141.95$)

SSD:
120Gb SSD (https://www.amazon.com/gp/product/B01N6JQS8C/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01N6JQS8C&linkId=4ff9338044b3c92c63fc71ec1cfdc41f) (59.99$)
If you do not intend to sync the blockchain, you can take a smaller one.

Memory:
8 Gb memory (https://www.amazon.com/gp/product/B006YG8X9Y/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B006YG8X9Y&linkId=ea31e9728015f2bb67f448e0673e8967) (59$)
You can take a cheap one here, it's not so important unless you want to run many applications at the same time

CPU:
Low end Celeron cpu (https://www.amazon.com/gp/product/B01MYTY55V/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01MYTY55V&linkId=8e20497b6ac3a972761294353292da87) (39$)
Unless you want to do something else than mining, you don't need a powerful cpu

PSU:
I decided to take a server PSU to provide power and reliability. I took one from parallel miners:
2400W psu (http://www.parallelminer.com/product/94-platinum-2400w-power-supply-kit-for-antminer-s7-s9-200-240v/) (119$)
2400W is overkill for that price it's unbeatable

PSU:
I took a small and cheap PSU for the motherboard
EVGA 450W PSU (https://www.amazon.com/gp/product/B01F5LX55K/ref=as_li_qf_sp_asin_il_tl?ie=UTF8&tag=laurentwillen-20&camp=1789&creative=9325&linkCode=as2&creativeASIN=B01F5LX55K&linkId=2960307304c2035059a3db8044180dea) (37.89$)
It's a bronze one, you can take a better one if your budget affords it

PCIe risers:
I took some cheap ones from aliexpress:
PCIe risers (http://s.click.aliexpress.com/e/memYJuf) (30$ for 6, 60$ for 12)
I bought extra cables to connect those risers directly to the server PSU

Total for a 10 GPU Rig:
2447.83$
You can probably go a little bit below by chosing a cheaper motherboard, memory and SSD but I would keep the amount of GPU because that's how you're going to make the money.


Important remarks:
- I did not have to buy a keyboard, mouse or screen, I already had spares
- I'm using Ubuntu, it's free
- you need to have Samsung memory but you can probably use Amazon's return policy (I did it with Amazon France)
- how you put everything together is up to you. I use aluminium bars but I've seen rigs made of wine racks, shoe racks, ...
- you need to include power costs in your ROI calculation. I have solar power.

And the result is the following:
https://www.islande-voyage.eu/nanopool.png

I currently make between 12 and 13$ / day but it will go down as soon as the difficulty rises.

Enjoy!

This link takes me to a 3GB card.... Are you sure you are mining ETH?  The DAG file will never load.

Woodser

Hello Woodser,

Yes, I'm sure, I have 10 GTX 1060 3gb and they are working fine and will be working fine for at least one year with ETH and once POS will be there, no GPU will be able to mine so I'll switch to another currency. Those cards work well on ZEC too. 6Gb deliver a little bit more performance but they are much more expensive. The most important criteria is Samsung memory.

Thanks
Laurent

Surprised no one has said just buy ETH, if that's what you're after. Regardless of what you do, you're looking at 200+ days to hit ROI. Difficulty rising, rewards just dropped, POS etc. You may just want to invest.

Pretty sure PoS will end up being longer than a year.

Shnikes101: buy ETH is indeed much easier but doesn't bring more certainty, I suppose people find some comfort in having hardware at home. My choice was based on the fact that my solar panel were producing more juice than I can use and this electricity was sent back to the network without earning anything.

for ether rx580 is the best saphire nitro plus 30mhs

Find a used pandaminer.

well, After I calculate the cost of your GPUs recomendation, I've found that I could get 5-6 Rx 480, while I could get 2-3 GTX 1070. And the hashrate was not so different. Can you give me an explanation which better, mining with 5 Gpu or 3 Gpu with the same hashrate. I thougt that minig with 5 gpu will cost more electricity power than 3 gpus, while you could minimize damage to the gpu which is divided into 5 parts. What are you guys thought?

Interesting, but I have some questions about your mining rig. Why you use 2 PSU while I thought one PSU is enough, Is it because you use 10 GPUs? or you have any other reasons. And how much your electricity cost/month. And how much time to get ROI with this mining rig. Because with this GPUs price ( GTX 1060 3 gb) I also could get it more than 6 with my capital.

i personally prefer Radeon Rx 480 GPU25.0 MH/s  GPU though it is a long term investement (Payback period
257 days) yet it cheaper to buy only 199 USD.

zarados: it was for practical reasons. I could get my hands on a cheap server psu with only pcie cables, if you want to find a normal psu with the same power you're usually above 200$ for a single psu

abvhiael: indeed but at the time I bought my GTX 1060 there were no 480 on the market. Are they back now?

if you need i am selling

https://bitcointalk.org/index.php?topic=2197939.msg22088480#msg22088480

for whathever info contact me  ;)

Depending on where you are located I have found out lately that at Ebay you can buy a rig with 6 RX 480 at the price you have to invest. In many  countries I have learned that people have invest a lot of money thinking that difficulty would stay the same so they are all selling their rigs under normal price right now at 2200 Euro for a rig with 6 RX 580 which is much better than RX 480 at mining.

You can find those rigs on big marketplaces online.

But is it worth investing in eth mining today considering that it will be pos soon??

you're still one year away from POS so yes you can still make money with ETH

Yes this investment amount you are having is enough to start mining. Components such as processor, RAM, 6 GTX 1060i cards, risers, PCI, Power supply and rig. These all will cost your around around 2k USD. You can mine the electrum or Monero with this specification.
You will be able to get the 400 USD in a month. If you run it in domestic or residential location. If you go to commercial location means then profit will damage because of electricity cost.

well, don't you think $400/ month was too high? Or thats normal for mining electrum or monero with those rig specification. I could get my ROI just within 5-6 month. If I would mine crypto currency other than bitcoin or ethereum, I thought I will go for Zcoin. And about the domestic or commercial location, was it give a different electricity cost? I just calculate a normal cost.

There are many other coins that you can mine with a GPU.  Nvidia cards tend to be more silent . Use Less W and can mine more different coins  with a good hashrate. Currently Mining Vertcoin (Lyra2rev2) Zencash (equihash) and Solaris (Xevan).
If you are more into the flavour of the day use whattomine or coingecko.

Good luck with mining!

Did you consider buying Vega 56 cards?
They are doing about 1.800 h/s XMR, way more profitable than mining ETH with RX cards.
In a week we should be seeing AIB Vega models, just for consideration.

and B4 power usage: its not that bad once you downvolt them...

Where did the amount of 400 dollars? I have RX 580. They are more powerful and they produce 58-68 dollars a week. It is not $ 400 a month. I gave the statistics does not include the price of electricity. Then the yield will be even lower. I recommend OP to try to run the job only one GPU and see how much it will bring income. To listen to the advice incorrectly. In this case, remember that the profitability of production is constantly decreasing.

So you're recomend to use nvdia cards than other gpus card? Well, I have no problem with the GPUs noise, but if it's use less W than other GPUs, I should considering this specification. And about a coin that I will mine, I would prefer the coin that available on my local exchange, so its not difficult to cash out my coin.

Zarados: with the cards I mentioned in my initial post I can reduce power to 75W, the whole rig is below 900w. AMD cards can produce more hashrate but they are more expensive and use more power.

Hi, let me give you an advice

To be honest with you, with the actual mining difficulty and the PoS coming in one year, I honestly don't advise you to invest into a rig now : I think it's too late

Trust me, making a rig work properly takes a HUGE time at the beginning, and if your rig don't work properly, you will lose some money

If I were you I would invest my money in Bitcoin or Altcoins, and wait for it to increase :)

it's always a bit of a gamble and it all depends if you're looking at the long run or not. If you want short term results, you should speculate on current value, buy/sell whenever you feel like it's appropriate. You can earn much more like this but BTC and ETH are very volatile, you can earn a lot or lose a lot too. With mining, you won't be break even before a couple of months (if not more) but you won't lose money. Of course there is the hardware you buy but it's never going to be of no value.

well, power requirement under 900w is one of value added. because in my place of residence, there is a tax authorized by the power company for residents or businesses using above 900w. with low power requirements I think we can also reduce costs and enlarge profit.

I have the ability to mine coins without paying for electricity. I tried it and it seems to me that GPU can't give enough profit. I've tried AMD and after I got my money back sold my rack. Price is constantly decreasing. If you pay for electricity then I do not understand why this is necessary.

The configuration I gave you in the beginning of this thread goes below 900W for everything together (GPU, motherboards, SSD, ...). If you mine ZEC, it will even go lower (below 800).

so the rate of electricity usage is also affected by the type of coin we mine. well, that makes sense, since every coin has different difficulty to mine. But the thing is now, I just want to buy the GPU that available in my local country, so I don't need the cost of shipping from abroad and tax payment at the excise, which can increase the amount of capital needed. And the RX 480 I think is the right choice.

Yes indeed, XMR and ZEC use less power than ETH.
As for ordering you are right, in what country are you located?