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Innosilicon A8 CryptoMaster CryptoNight ASIC Miner

16 April 2018
Published in Mining Roundtable
Written by Lauren Miehe
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The A8 CryptoMaster is Innosilicon's first entrance into the CryptoNight mining market. You may know Innosilicon initially from is first ASIC miner, A4 Dominator. This miner primarily support the Litecoin network. Next we had the A5 Dashmaster that support the X11 algorithm which Dash is the most popular coin to be mined. The A8 CryptoMaster is used to min Monero, an alt-coin that is growing in popularity and support. We have proof positive that this is the case with companies spending the money on research and chip development to make a fully functional miner.

The design is very similar to an Antminer except that this unit is double the width of a standard Antminer.   The A8 has a massive eight (8) hashboard spread across the aluminum case. It has the same standard controller board and four cooling fans.   Web-based interface for the miner and a simple setup via a webpage to program your pool information and monitor the miner's hashing progress. The A8 CryptoMaster products around 160kh/s while only consuming 350 watts of electricity. At 208 volts you can run about 10 miners on a 20-amp circuit.

Specifications
Manufacturer Innosilicon
Model    A8 CryptoMaster
Release Date April 2018
Size    9.64 x 6.10 x 10.82 inches
Weight    13.20LB
Noise level    70db
Fan(s)    4
Power    350 watts
Voltage    12 volts
Interface    Ethernet
Temperature    60 - 95 °F
Humidity    15 - 70%

Halong Mining DragonMint T1 Bitcoin Miner Released

6 April 2018
Published in Mining Roundtable
Written by Lauren Miehe
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A surprising entry into the Bitcoin ASIC miner market. Word on the street it uses a 10nm hashing chip from Samsung, compared to the Bitmain chip from the TSMC semi-conductor foundry.   At this point in the hardware development curve for ASIC miners supporting SHA-256, Bitmain has come to dominate the market with their S9-series of miners. When this was announced, many people doubted its authenticity.   I can tell you that at the time of this writing, these are hitting the streets and is confirmed and a real and performing miner in-line with pre-release specifications.   This Bitcoin miner's performance numbers come in at an impressive 16Th/s while only using 1,480 watts of power.   This actually give you more efficiency than the 14Th/s S9 miner.

When you look at the design, it is almost identical to the Antminer S9.   Basically the same size and weight and setup.   Dragonmint's have three hashing boards and two cooling fans. The web interface in also Linux based via an onboard controller.   Setup is the the same with these units, mining page for pool credentials and another page for viewing performance. These units consume about 7.10amps at 208 volts so you can operate two miners for each 20-amp circuit.

In closing, these units definitely fit the bill for the newest generation of capable Bitcoin miners and it will be interesting to see with their sales numbers if we see better models hit the market down the road.

Specifications
Manufacturer   Halong Mining
Model   DragonMint T1 or 16T
Release Date April 2018
Size   4.92 x 6.10 x 13.38 inches
Weight   13.22LB
Chip boards   3
Chip name     DM8575
Noise level   75db
Power   1480 watts
Wires   9 * 6pin PCIE
Voltage   12 volt
Interface   Ethernet
Temperature   60 - 95 °F

Canaan AvalonMiner 821 Bitcoin Miner

12 February 2018
Published in Mining Roundtable
Written by Lauren Miehe
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This is the newest ASIC miner from AvalonMiner, the Avalon 821. This is the successor to the Avalon 741. The Avalon 741 clocked in at 7.3Th/s while consuming 1,150 watts.   The A8 now produces a whooping 11.5Th/s for only 1,200 watts.   This is over a 60% increase in hashing power with only a ~100 watt increase in power consumption. This is good news for AvalonMiner owners that are looking for an upgrade that isn't from Bitmain.   The Avalon design philosophy is a little different that the Antminer units.   The 821 has a single fan design that uses an exhaust-only fan.

One drawback to this design is the placement of the temperature sensor on the unit. It is critical that you have a climate-controlled environment that keeps the unit below the temp threshold. The S9 miners are more resilient in high temperature environments. Once temps are under control, the 821 is a very reliable unit and a quality choice when purchasing a Bitcoin miner.   The unit comes with two hashing boards with four PCI-E (6 -pin) connectors per board.   Now in a very different design than other miners on the market, the Avalon 821 does not have an on-board controller. Instead, they use a Raspberry Pi as a controller and proprietary cables to communicate with the miner. On the plus side, the controller can support up to 15 miners per Pi. To accomplish this, you daisy chain the miners together.

The Pi provides a basic Linux-based web interface. Nothing flashing but sufficient for what the modern miner needs from a miner administration standpoint.

Specifications
Manufacturer   Canaan
Model   AvalonMiner 821 or A8
Release Date    February 2018
Size   5.90 x 5.35 x 14.56 inches
Weight   10.36LB
Chip name   A3210
Chip size   16nm
Chip count   104
Noise level   65db
Fan(s)   1
Power   1,200 watts
Wires   8 * 6pin PCIE
Voltage   12.0 - 12.6 volts
Interface   AUC3 - RJ45
Temperature   60 - 90 °F

Bitmain Antminer D3 - X11 ASIC Miner

5 September 2017
Published in Mining Roundtable
Written by Lauren Miehe
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The Antminer D3 is Bitmain's ASIC miner for the X11 hashing algorithm.    X11 is growing in popularity so it is natural that the larger hardware manufacturer of crypto-currency miners has decided to enter the market with their commercial offering. The D3's design is in the same line of all the Antminers since the S7 miner. The length is very close the S9 miner. The miner has the same configuration of: three hashing boards, controller board, two fans and an aluminum case.   The units is a little higher than an S9 but outside of that, basically the same.

The web interface is the same Linux powered setup you find in all of the Bitmain offerings. There are five mineable coins for the X11 protocol.   DASH by far is the coin that almost everyone is mining with these units.   With the growing popularity of this miner, we could see the difficult spike significantly when this launch. Each units takes 1,200 watts a piece.   On a 20-amp you can safely run two miners and potentially three miners but please note you will be 1.3 amps over the normal de-rating of 80% of the breakers maximum capacity.

Overall another solid offering from Bitmain and should do a good job mining for X11.

Specifications
Manufacturer    Bitmain
Model    Antminer D3 (15Gh/s)
Release Date September 2017
Size    5.11 x 7.48 x 12.59 inches
Weight   12.12LB
Noise level    75db
Fan(s)    2
Power    1200 watts
Wires    9 * 6pins PCIE
Voltage    11.60 ~13.00 volts
Interface    Ethernet
Temperature    60 - 95 °F
Humidity    5 - 80%

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