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Cyber Bitcoin
LK 1TH/S Bitcoin mining machine Published dates back to February of this year, it is one of the early adopters of A1 chip Bitcoin mining machine.
Today we give you details about LK IT miner’s Generation 3 development and evaluation.

Within the past six months,LK launched four different versions of the mining machine.The first one has 5 modules with 40 ASIC chips(28nm).There is a LCD display on the case,can work on 1T/S(AC input 850w).

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The second version has 4 modules work on 1T/S Hash rate,with LCD display.(1060w)

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The third version has black tower casealso with four-mode 32 chips.Hash rate is about 1T/S.(1060w)

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This time we got the latest version for test.

1. Package:

The carton have 5 layers,and bubble wrap is not enough,easily damaged in transit.

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Accessories:network cable and power cord.

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Front of the case,you can see a LED light and miner’s ip address.The miner has two 12CM cooling fan.

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The back of the case.

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The top of the case.

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The side of the case,screws can be seen of the blade.

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Comparison with the second version.

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Sepcification:

Hash rate :4 modules work on 1T/S
Power:AC input 1000 W/H?
Size:456*180*340 mm
Gross weight:?16Kg

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2. Internal structure

The miner has four blades, each has 8 A1 chips.

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Raspberry pie connected to blade with data line.

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Power and data cable connector on the blade

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1000w PSU

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3. Installation:

Installation is very simple and quick,connect the network cable and the power cord ,the miner will going to work.

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Working time:

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4. Software setting:

After the power is switched on,Go to IP address 192.168.1.35,you can modify settings through this IP address.

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Click real-time monitoring button,you can get the state of the miner.

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You can see the firmware version when you favorite the page.

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After 22h working,curve can be seen in the daytime temperature is higher when there are about three hours counted force 1T below, other times in 1T or more.

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After 24h,the miner’s hashrate is 1T on the average.

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5. Power consumption, noise and temperature test:

Environment:

temperature: 33degree
humidity: 56%
environmental noise: 41dBA

Near the outlet,temperature is about 59 degrees.

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Temperature at side of the case is about 55 degrees.

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Front of the case,temperature is about 46 degrees.

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The on wall power consumption of the miner is 1068w

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Noise level at different location:Near the outlet,is 74.7dBA.

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Air intake noise is about 77dBA.

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6. Summary

LK BTC MINER 1TH/S using 28nm A1 chips.A1 chip has advantage on frequency and power consumption.But it’s clearly that LK BTC miner have overclocked.Compare with the current 0.40nm process chip, there is a little bit of improvement.Otherwise,this version does not have an LCD screen,you need to enter the webpage view the status.In addition ,noise performance of this miner is slightly higher.Cooling performance of this miner is a little better than the second version,at room temperature, mining pools curve shows relatively stable.It should be noted that,heat can be felt obviously by the side of the miner.

Translated from:http://www.cybtc.com/article-1228-1.html

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