HOW TO BUILD A MINING FARM?
The farm for mining cryptocurrency is essentially a regular computer, into the motherboard of which is installed a lot of modern powerful video cards.

Most often it contains from four to six cards and, as a rule, on the basis of graphic processors (GPU) of the latest generation from AMD. Because of the architectural features nVidia chips are not suitable for the farm.

The amount of RAM, the hard drive size and the type of CPU are not critical – their characteristics practically do not affect on the computing speed when searching for blocks of a cryptocurrency GPUs on graphics cards perform all the calculations.

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IS IT POSSIBLE TO USE PERSONAL COMPUTER?
Despite the fact that you can use the familiar to us computer accessories to create a farm, the design must take into account a number of conditions, from the performance of which will depend the final functionality of your computer system for the producing of coins, as well as its reliability, stability and ease of maintenance.

The main feature of such systems is that instead of a single video card they have several – from three to six. The presence of a large number of video cards imposes special requirements to the power unit. It needs to provide the necessary supply of the electricity to supply all the chips.

Video cards all the time will work at maximum load, so the power of the supply unit must be equal to the maximum total consumption of all the chips plus 20% of the reserve to the power supply unit won’t be working at the limit of its capabilities.

When choosing a power supply unit you should pay attention not to its general capacity, but on capacity on the line +12V which is used by video cards. Ideally, if the unit will have somewhat independent from each other lines PCI-E.

If you plan to collect farm for the bitcoin mining which will have four chips and more, it is hardly possible to find a supply unit with a capacity of 1200-1500 watts in a computer store, and even with the right number of lines and wires to connect all of the cards. In this case it is cheaper and easier to buy two power supplies of smaller volume and connecting them in parallel.

To connect video chips use special adapters and cables PCI-E – so-called riser cables.

HOW TO CHOOSE THE OPERATING SYSTEM?
There is no fundamental difference which operating system to use. Main programs for mining, managing, and monitoring exist in versions for Windows and Linux. Therefore, use the operating system with which you are more familiar and configuration of which will not cause additional difficulties for you.

Advanced users still prefer to launch devices running the Linux operating system. This system is more reliable for long-term operation without maintenance. In addition, it can do without a hard disk and save a little on accessories when using Linux.

In this case, the loading and working of the OS is made with cheap USB flash drive. There are links to ready boot images, optimized for the cryptocurrency mining on specialized websites and forums. As a rule, a flash drive with capacity of 8 gigabytes is sufficient to the work.

THE PROBLEM OF COOLING THE BITCOIN FARM
In continuous the bitcoins mining all the consumed energy is released as a heat. It is not less than one kilowatt-hour for the computer with five graphics cards. This farm while working constantly heats the surrounding air and does it quite strongly.

Installation of an air conditioner is not the best way to solve the problem of overheating. First, it is the additional cost of the equipment. Secondly, the conditioner also consumes significant amounts of electricity thereby the economic efficiency of the process will reduce.

The best option of cooling is to install one or more ventilators for removal the heated air to the environment and blowing of usual air of the outdoor temperature. A couple of simple cheap house fans can effectively cool a few units even in the summer – the main thing is to ensure the outflow of the hot air and the natural air cooling.