If you want to start extracting your own Bitcoin (BTC), you will currently need an ASIC device (a specific application integrated circuit), which is specifically designed for this purpose. In this guide, we will try to help you become a profitable Bitcoin miner by highlighting five of the leading ASIC mining devices on the market today.
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These devices can be expensive and difficult to buy. In most cases, you should also buy a good quality power supply to ensure maximum efficiency.
The main consideration when buying an ASIC device should be how quickly you can see a return on your original investment. This is determined by the hash power of the device, that is, the amount of BTC that can be generated daily, less the electricity costs, the rates of the mining group and the current difficulty of mining.
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To help you make a decision, we have included the approximate price, the hash frequency and the power consumption of each device.
While these numbers are useful, the ideal in this regard is that before making an investment use a profitability calculator, such as the one available in Coinwarz, for example, to calculate your earnings in BTC. The profitability calculator allows you to enter this data to calculate the ROI (return on investment) more accurately.
1. Antminer S9
Cost: $ 2,320 (approx.) | Power consumption: 1.375W | Hash power: 13.5 TH / s | Estimated daily profit: 0.00179041 BTC
The Antminer S9 is an ASIC miner manufactured by Bitmain, the largest and best-known ASIC mining equipment manufacturer in the world, which has been operating since 2013.
The Antminer S9 is one of the most popular ASIC mining devices that exists today. The S9 is also generally considered the most energy efficient miner on the market today, although this will vary depending on the electricity costs where you live and the type of PSU used with it (the latter must be purchased by separated). The Bitmain APW3 ++ power supply currently sells for around $ 100 (around £ 75).
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This additional efficiency comes at a price, and this is one of the most expensive ASIC miners on the market. However, that has not prevented the S9 from having a very high demand due to its commendable efficiency. In fact, at the time of writing this article, the S9 units are sold out on the Bitmain website, but they should be available again later this year. You can buy Amazon units and auction sites like eBay, although the prices are much higher and the units may not be covered by the Bitmain guarantee.
Bitmain regularly improves the specifications of the S9 units, so if you buy second hand, be sure to check the exact hash power that is offered. The most recent units to be shipped in March 2018 offer an optimal hash rate of 13.5TH / s.
- Buy the Antminer S9 here: Official site | Amazon
2. Antminer S7
Cost: $ 1,500 (Varies) | Energy use: 1,293W | Power hash: 4.73 TH / s | Daily profit: 0.00061590 BTC
The Antminer S7 is another ASIC miner manufactured by Bitmain and is the predecessor of the S9. Since the S9 arrived, many miners have modernized, flooding the market with relatively cheap S7 devices.
Although the S7 hash power is only about one third that of the S9, due to the lower cost and the fact that many second-hand units come with a pre-packaged PSU, you may get a faster return on your investment than with the S9. The S7 can also generate less heat and noise than the S9.
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If you decide to buy an S7, be sure to check how long it has been in operational use to decide how reliable it could be, and also verify the seller’s refund policy should an error arise after the purchase. If the unit comes with a power supply, make sure it is of good quality for maximum energy efficiency, such as Bitmain’s AWP3 ++ power supply, which also works with the S9.
Even with a high-end power supply, the S7 is still not as energy efficient as the S9: on average, it consumes 0.25 Joules of energy per Gigahash. The S9 is more than twice as efficient, requiring less than 0.1 Joules per Gigahash. You can still generate a reasonable profit with the S7 if you buy more than one unit, and / or if the energy in your country is cheap enough.
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- Buy the Antminer S7 here: Amazon
3. AvalonMiner 761
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Cost: $ 1,860 | Power consumption: 1.320W | Power hash: 8.8 TH / s | Daily profit: 0.00114587 BTC
Avalon , a branch of the Canaan Creative company based in China, was one of the first firms to manufacture Bitcoin-specific ASIC chips, so it is safe to say that the company knows what it is doing when it comes to Bitcoin mining hardware. .
Like its predecessor, the AvalonMiner 6, the 7 series has had good general criticism with the miners praising the innovation of Avalon by pioneering the A3212 16nm chips used in the units, as well as how quiet these devices are during the execution.
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The AvalonMiner 761 supports cluster mining through a specialized controller called AUC3 (‘AvalonMiner Controller’), based on Raspberry Pi, and capable of supporting up to six devices. The AUC3 controller costs around $ 80 and can be connected to others to form larger clusters. For example, four AUC3 devices could connect to five AvalonMiners, allowing you to manage 20 AvalonMiner 761 units with an incredible combined power of 176TH / s.
You should also buy a separate PSU for around $ 150. In total, this can still cost less than buying a used S7 unit. The greater power of hash and energetic efficiency of the Avalon 761 means that it is probable that you obtain a return of the investment slightly faster.
Canaan offers bulk orders (60 units or more) directly on its website. If you only want to buy some units, the company also has a list of official distributors. Despite the good reviews, the devices are not as well known as the Antminers, so if you are new to mining, you may not find much help online.
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- Buy the AvalonMiner 761 here: Official site
4. WhatsMiner M3
Cost: $ 1,899 | Power consumption: 2,000W | Power hash: 12.5 TH / s | Daily profit: 0.00162765 BTC
The M3 , launched at the end of 2017, is an ASIC miner manufactured by the Chinese firm Pangolin Miner. The manufacturer’s website not only provides detailed information about the miner, but also an excellent video tutorial on how to set it up. This includes connecting the device via Ethernet and configuring the settings of your server group through the M3 web interface.
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While the hash rate is slightly lower than that of the Antminer S9, this unit is much cheaper, which means that you can see a return on your investment more or less at the same time. While the device consumes a lot of power, according to a detailed review in the Bitcointalk forum, the M3’s built-in fans dissipate heat quickly and is no noisier than comparable miners like the S9. The included PSU is also extremely efficient (more than 90%).
At the time of writing this article, the M3 currently sold out in February and March 2018, although the manufacturer expects to have more units available during the course of the year. Once your unit arrives, you will enjoy a 180-day warranty against defects, the longest of all the devices we’ve highlighted here.
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- Buy the WhatsMiner M3 here: Amazon
5. AvalonMiner 821
Cost: $ 2,540 | Energy use: 1,200W | Hash power: 11 TH / s | Daily profit: 0.00143233 BTC
The AvalonMiner 821 is a great improvement on its predecessor, which contains 104 A3210 16nm chips, which gives it a reliable hash rate of more than 20% better than that of the AvalonMiner 761.
The 821 also has an energy efficiency of 0.109 Joules per Gigahash, which is approximately 10% lower than the Antminer S9 (below 0.098). Since the hash rate is also lower than that of S9, your decision on whether to choose AvalonMiner 821 will likely revolve around price considerations.
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At the time of writing, Avalon has announced the 821 on its page and is offering the device for sale in large quantities. The price indicated above is one unit if the minimum order quantity is 60 units, so it is likely to increase over time. The official redistributor of Avalon, BlokForge, has also included the AvalonMiner 821 for sale in individual units, but the price has not yet been confirmed.
As with its predecessor, you must purchase a separate PSU, which should cost around $ 200. Buyers can also mine in clusters by connecting up to five 821’s to the AUC3 AUC3 controller, increasing the hash power considerably.
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