Extraction of crypto-currency on GPU-graphics cards, or otherwise - mining is the most affordable method at the moment. They say about miners everywhere - on TV in the news, in video blogs on Youtube, news Internet portals are full of loud headlines. From year to year, the popularity of the topic of crypto currency is growing.
Such a huge interest is due to the fact that almost anyone with a relatively small amount of money to purchase equipment can enter the topic of crypto currency mining.
If you are at least a little familiar with the topic of mining, you should imagine that there are different equipment for production, depending on the chosen currency. So, you can get the crypto currency:
on CPU-processors - not effective, a little profitable way;
on FPGA-boards - obsolete, expensive method in comparison with GPU;
on Asic (Asiki) - high-yield, high-cost in all respects;
on GPU video cards - affordable, profitable, with a small threshold for entry.
About each of the ways of mining, you will find detailed information on the pages of my blog.
In short, it's possible for an ordinary user with a small budget to start mining GPU graphics cards.
If you are not sure before the end - if you want to seriously engage in mining, then you can touch this niche by collecting a budget test system and conducting various tests, assessing the profitability and calculating the payback and yield on net profit.
To start, you can use your home computer with a more or less modern graphics card on board, with video memory from 2Gb and higher. The amount of video memory here plays a key role, since with a smaller volume you simply can not run the mining of some popular currencies.
For example, the extraction of one of the most popular crypto-currencies - Ethereum (ETH) - can now be performed on video cards with a memory capacity of 3Gb and above. After a while, this volume will not be enough.
Do not throw out your video card if it does not fit these parameters, because there are alternative currencies that can be produced with less video memory, but the efficiency and profitability of such cards is much smaller.
Components for mining on GPU video cards
In order to start mining, you will need to build a system similar to your home computer. Such a system is called Rig. At large scales Riga is united in Farms.
Let's look at the components that we will need for assembly:
Motherboard
The choice depends on your budget and final goals. If the budget is limited and you just want to try, then it will be enough for any motherboard with one or more PCI Express slots to connect video cards. Suitable as used boards, and new ones.
If your intentions are more serious, then look at the side of motherboards with the number of PCI Express slots from 4 and more. Also, pay attention to the presence of an M2 slot, since it can also be used to connect a video card via an adapter.
CPU
Any one, even the cheapest one, will do. The choice does not greatly affect the profitability of the system, since the mining is made by the resources of the video cards.
HDD
Suitable as HDD, and SDD with a volume of 60 Gb and above.
Power Supply
A serious component of your system for mining. His choice should be taken responsibly. Before buying, you need to make a small calculation of the maximum power of your system so that the power supply unit can handle it without problems.
The calculation is simple, but requires attention and responsibility.
Power BP = (A + B) x 1.3, where
A - the total maximum power consumption of your video cards. For example, if you decide to build a rig on 5 GTX 1060 6Gb graphics cards, their total maximum power consumption will be (120 W / h) x 5 = 600 W / h.
B is the total capacity of the rest of the system. Conditionally we accept on a maximum - 100 W / hour.
1.3 - safety factor. It is taken into account in order not to operate the power supply unit within its capabilities.
As a result, we get: Power BP = (600 + 100) x 1.3 = 910 W / h.
On this figure you need to be guided when choosing. Just remember that it is desirable to use blocks that have the Bronze certificate and higher.
Before purchasing, read the description of the power supply and make sure that there are enough wires and connectors to connect. If there are not enough connectors, or there is simply no power supply with the necessary power on sale, you can buy 2 power supplies, in the amount that will give the necessary power.
GPU Graphics Cards
Are the heart of your future Riga for mining. When choosing video cards, the main question is the size of your budget. If the budget is not large, then it is not desirable to purchase video cards with video memory less than 4Gb. The minimum option is the GeForce GTX 1050ti 4Gb or Radeon RX 560 4Gb.
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