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Antminer S7 Bitcoin Miner released

Antminer S7 Bitcoin Miner This is the newest offering from Antminer.  The S7 is not their fastest offering (That goes to the new S5+), it is their most efficient Bitcoin miner ever released.  It clocks in at a hair over 4.8 TH/s from a mere 1,200 watts of power.  This now rounds out Antminer's current stable of miners for the market.   3 PCI-E connections will be required to run this mining unit.  Any PSU that can handle 1300 watts or more will have more than 4 PCI-e connections so you will be covered there.  They have a simple web interface like the rest of their units.  This is a positive development in power efficiency.  All miners want to see more hashing power for every watt as difficulty continues to rise.  This is also one of very few hardware manufacters that are making miners for the general public so these should be fairly popular.   Here are the specifications from Antminer's website.

S7 Specifications:
1. Hash Rate: 4.86 TH/s ±5%
2. Power Consumption: 1,210 Watts (at the wall, with AC/DC 93% efficiency, 25°C ambient temp)
3. Power Efficiency: 0.25 J/GH (at the wall, with AC/DC 93% efficiency, 25°C ambient temp)
4. Rated Voltage: 12V+5%, should not be less than 12.0V
5. Chip quantity per unit: 162x BM1385 ASIC
6. Dimensions: 301mm(L)*123mm(W)*155mm(H)
7. Cooling: 2x 120mm fan
8. Operating Temperature: 0 °C to 40 °C
9. Network Connection: Ethernet


Bitcoin Mine Cooling Options - What are my choices?

When a Bitcoin miner is designing their mine including: what mining hardware to run, where to locate or colocate and how to keep everything cool.  This is the purpose of this article.   Bitcoin mining hardware takes electricity to power the hashing chips and converts it to process Bitcoin transactions.  Most of the power gets converted into heat which needs to be dealt with or you can slow down and ruin your mining hardware.  Thermal Management is crucial in getting the most out of your mining hardware.
When approaching cooling I find it helpful to recognize that if you are looking for optimal hashing performance, you need to understand the difference baseline cooling and supplemental cooling strategies.   Now I understand that is some overlap in a couple of these technologies but in my experience you need to focus on baseline cooling if you want to operate year round. 
Here is a basic outline of the different cooling technologies and how each one operates:

Power Distribution Options - What is a Bitcoin Miner to do?

DisclaimerThis is presented as information only that should be used to structure a conversation with your licensed electrician on design choices.  Doing unlicensed and unpermitted work can create an unsafe environment that can have increased fire hazard or death of personnel by electrocution.  Please be smart and safe.
In this next article we will be talking about power and some of the different options for getting that all important electricity from your local PUD into your Bitcoin mining farm.  This is an important question to address early on in your mine design phase.  Electricians are not cheap and the choices you make here will follow with you over the duration of the Bitcoin mines' operation unless you decide to change direction or removing the old distribution to make way for the upgrades. 

Hot Aisle versus Cold Aisle Containment -- What should a Bitcoin miner do?

When building datacenter infrastructure to run your mining equipment, thermal management is going to be one of your most important concerns to manage when planning and operating your mine.  Heat is not your friend in Bitcoin mining.  Have a good plan of how to deal with the heat output of miners is critical to the success of your Bitcoin mining operation.  If you are already colocating in a traditional datacenter, this choice has already been made for you.  Overwhelmingly, hot aisle containment is the standard design element in most modern datacenters. 

Choosing Miner Hosting, Colocate or New Build for increased Bitcoin mining?

Last night I was doing some research and came across this interesting piece about businesses having to decide between expanding their current datacenter operations or using traditional colocation to host their needs.  This got me thinking that Bitcoin miners may be going through the same dilemma.   They have to choose between co-locating their mining hardware with a datacenter provider or building their own mining facility.   As mining becomes increasing competitive and professional, you tend to see larger and larger mines even as the number of  professional miners is falling.  Bitcoin Mining is still open to everyone and there will be opportunities for the foreseeable future but mining "for profit" is changing in character so that if you want to do this as a full-time job, you will need some serious mining hardware and a facility that can run it.   This is where this choice comes into play.

Datacenter Expansion In Progress Pictures

  • Published in Blog
We just wanted to share some pictures of our recent datacenter expasion.  This really represents the direction we are taking Bitcoin miner co-location by integrating and implementing infrastructure equipment you would find in traditional datacenters.   
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