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An ETC Mining Hardware comparison that will help you along in the jungle of GPU's and MH/s. The mining equipment found below works for Ehtereum Classic's.

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• Price discussion belongs to. • Submissions mostly about another cryptocurrency should be avoided (may be posted to ). • Do not create new accounts to get around Reddit or Subreddit rules (may result in a site-wide permaban by Reddit). • No URL shorteners (use direct URL).

• No duplicate posts. • No spamming, trolling, or drive-by posting. • No misleading titles.

• No referral links. • No posting addresses or soliciting money (exception: large, recognized, trustworthy charities). Note: Breaking the rules may get your post deleted and/or lead to a ban. Related Subreddits: • • • • • • •. A little background: I’ve been mining ETC for about a month and a half now and I wanted to share with you my experience with building and configuring a rig that, in my humble opinion is performing rather well.

I will try to be as detailed as possible but if someone does not understand something, feel free to send me a message and I will try to help. This article will not be about building a huge mining farm for millions of dollars, instead it is targeted towards people that want to dip their toe in the world of mining, start small, learn the basics and then decide for themselves how much they want to dedicate to it (personally, the experience got me excited and I started dedicating more and more time to the cause). Part I - The Hardware When picking a hardware, the first thing to consider is your budget.

In my opinion, start small, regardless of how much money you have. As with all investments, when you lack personal experience, going all in is never a good approach. Regardless of how much articles/guides you read on the Internet, until you start fiddling yourself, you will never get the maximum out of your hardware.

Which brings me to another important point - identical GPUs are not as identical as you think. Even if you buy 2 cards from the same manufacturer that came out of the factory one after another, they will most likely be a little different (one will clock slightly better than the other, or spend a little more electricity, or run a little bit too hot, or too loud, things like that). So here is what you are going to need to get started: 1. Motherboard There are many options on the market. One thing to consider is how many PCI-E slots does it have.

I suggest going for one with 6 slots, but of course it is entirely up to you to decide on this. The motherboard we are going to use in this guide is. CPU Mining is not a CPU-intensive task. A basic Intel Celeron unit will be more than sufficient.

The one we will be using is 3. RAM Random Access Memory is relatively cheap and there is always a need for it. You wont need much of it for the mining itself as much as for running the operating system and the additional software (no one likes a laggy PC) 4.

SSD Prices for Solid State Drives have dropped significantly and considering that you won’t be storing your movie collection on the miner, one 120GB will be sufficient. Everything on the market will be a good pick right now.

You might see people using USB flash drives instead of SSDs, however I am strongly against this. Not that it won’t do the job, but it just doesn’t look serious. GPU The Graphics Processing Unit or simply the video cards are the heart of your miner. Here are my thoughts on picking the right GPU: • Algorithm - if you go to, you can check the hash rates of different cards for different algorithms. Pick the algorithm of the currency that you want to mine and check what is the hash rate of different cards. You are looking for the highest number, but as I will explain in a bit, it is not everything.

• Power consumption - Again at Whattomine you can see the power consumption of the cards at maximum load. Keep in mind that this is a relative figure and not the final one, yours may vary with up to 20%. • Community - this is perhaps the most important thing to consider. You will be doing a lot of digging on the Internet and you want information. You want people that have “been there and done that”.

• Custom ROMs - I see a lot of videos on the Internet where people take the cards out of the box, plug them to the miner and then start hashing at max speeds. This is not true. If you spend enough time on the forums you will notice that people are reporting significantly lower out-of-the-box hash rates. You will need to apply a custom ROM to your card and then experiment with the clock speeds in order to get maximum performance out of your card.

Therefore, you need to pick a card that has an abundance of custom ROMs to choose from. • Price tag - price isn’t everything here. In order to decide how much to spend on a GPU, check the above points and compare.

Open a few separate tabs in your browser, pick a few cards and compare their stats. You are looking for the best hash rate + power consumption to price ratio.

One Vega64 provides roughly 40.0Mh/s for Ethash at 230W and one RX 580 provides 30Mh/s at 135W. Vega64 costs twice as much as the RX 580 but provides only 30% more performance and uses 75% more power.

Also, at that moment there is a significant lack of custom ROMs for the Vega64, although that might change in the future. Based on this, at the moment it is much better to buy two RX 580s instead of one Vega64) • GPU Memory - Always go for the 8GB versions. This will guarantee much longer lifecycle for the card as 4GB will soon not be enough to store the DAG. For this guide, we will be using two. GPU raisers Those clever little things are very useful and a necessity.

It is basically an extender for your PCI-E slots so you can have freedom when it comes to connecting your cards to the motherboard. One advice, don’t save money on those. A bad riser might impact the performance of your card and you will waste a lot of time looking for the problem and at the end you will end up spending more money anyway. To save trouble, just go for the better ones, they cost about $20 a piece. Power Supply Unit The PSU is an extremely important component. GPUs are very sensitive towards voltages and if your PSU is unable to provide stability, you will have a lot of issues.

Another thing is the load. The GPUs and the PSU will be under constant load 24x7 so even though components have warranty, you don’t want to have downtime every few months and wait for retailers to switch components.

After all, the idea of the mining business is to run it 24x7 in the background. Frame to attach all the hardware to I’ve seen people do crazy things with the frames.

I have a friend who stuck the components to cardboards and the GPUs he attached to cloth hangers. Very nasty way to treat your components in my opinion. There is an abundance of frames on the Internet, find one that is stable and looks good and avoid wood. Power button Often neglected, the power button is a key component. Imagine building the whole thing and you are just about to turn it on when you realize that you can’t do it. Well, you can, by using a flat screwdriver and shorting the two pins on the motherboard where you are supposed to connect the button, but do you really want to do that? So, to avoid such situations, order a power button.

They are sold on e-bay and cost $2 for 10 pieces or something like that. Putting it all together If you have never assembled a PC before this is an excellent opportunity to learn how to do it. There are plenty of videos on YouTube that will show you how to assemble the components, but if you are worried you might brake something, ask a friend who is skilled at that kind of things to help you out. Part II - The software Once you have finished assembling all the hardware, plug your miner to the power and don’t forget the network as well. Give it a quick start to test that everything is working fine. The Operating System As with any other computer, you need an operating system in order to run your mining software.

You have two options - Windows and Linux. Now, don’t get me wrong, I am a huge fan of Linux and Unix in general, however I have to say that you will cause yourself a big headache if you decide to use Linux. Drivers, tools, everything requires way more effort to make it work.

Just go for the good old Windows and save yourself a lot of time, especially if computers are not your second nature. My advice is go for Windows 10. Even though a lot of people don’t like it, you are not going to be using it as your everyday computer but most drivers and software might have compatibility issues with older versions.

Drivers Always download the latest drivers from the official website of the manufacturer of your GPUs. This way you will make sure that everything is up-to-date and there is no malicious software that might end up on your miner. In this guide, I will use AMD Radeon Software Adrenalin Edition v.17.12. Tx Mine Monero XMR. 2 3.

Additional tools We are going to need the following additional software: • ATIWinFlash Used for flashing the graphics card BIOS • Polaris Bios Editor Used for modifying the BIOS of the graphic cards. • HWiNFO64 We will run this all the time in order to check metrics, related to the GPUs, such as voltages, temperature and most importantly, memory errors • TechPowerUp GPU-Z We are going to need only one function from this - backing up the default BIOS of your GPU 4. Mining Software We will be using ClayMore DualMiner v.10.3 Check the official for the download link and other very useful information Part III - Configuration Congratulations, you now have your first mining rig, powered on and ready for action.

I will assume that you have installed all the software that I have listed in the previous section and you are ready to configure. Few important points before you start: * When powering off your miner, before detaching and attaching GPUs, unplug the power cable and press the power button a few times to discharge any electricity that have remained in the capacitors. This way you can make sure that there is no left-over electricity that can cause short circuits and fry your components. • Install the drivers and all the software while all GPUs are plugged in. • When we start configuring, it is always better to do it one card at a time. So, power off your miner, unplug all cards except the one that you will configure first. Once you are done with it, unplug it and plug the next one.

This way it will be easier to differentiate between the cards. • We will be doing customer ROM installation and overclocking which in some cases might void the warranty on your card. Modern video cards have protection, however there is still some risk involved.

Do it at your own risk. Installing the Miner Check the above link for information how to install and configure the miner. Installing the custom ROM I am afraid that you are going to spend a lot of time searching for the right ROM for your card. There is one place on the Internet where you can find all the information - Here is the link for the custom ROMs that I have used on my cards: Now power up GPU-Z. Search for BIOS version and click on the on the right side. Re-name the file to default and save it on your desktop. This is the original BIOS of your video card.

We are doing this in case something goes wrong when flashing the BIOS. Having the original one will help us restore the card. Extract the custom ROM that you have downloaded from Anorak. Once again, you are going to have to experiment a little bit. What works for my cards, might not work for your cards. I use the powersave version. We are going to do a little check now.

Open two instances of Polaris BIOS editor. In one instance, open the original ROM that we just saved. In the other instance, open the new ROM that you are going to apply. Now look at the. Compare the values.

You need to make sure that they are identical. GPU manufacturers tend to apply small differences between the same type of cards.

Sometimes they run out of memory chips and they order new ones from the supplier, however the supplier does not have the old ones, but have new ones. They might be identical, but the custom ROM won’t recognize them and your card will crash. So, to be consistent, check whether those values are identical. If they are, proceed to the next step - applying the custom ROM. Fire up AtiWinFlash.

Make sure you run it as administrator (right click ->run as administrator). You should see a screen like. Now click on “Load Image”. Select the new custom ROM and then hit “Program”. Don’t worry if your computer freezes for a moment, it is normal. You should be presented with a screen, confirming the successful installation of the new ROM.

Now reboot your miner. If everything went well, your Windows should start normally. Next step is to open HWiNFO64. Scroll down until you reach the section for your GPU.

It should look like. What we will focus right now is the last line - GPU Memory Errors.

Drag the window to the side where you can observe it all the time and open AMD Radeon Settings. You are going to need the Wattman utility. This is where the overlocking will happen. When it comes to overclocking, it is all about experimenting. Also, notice that we are going to be both overclocking and undervolting.

I won’t go into details because this guide is long enough already, instead I have attached the photos that show my values. Use this as a reference. As I said, cards are different, those numbers work for me but they might not work for you. Change the values in small steps.

Try to push the limits of your card - smaller voltage, bigger memory clock. When applying new settings, always start your miner and check the GPU Memory Errors. They should always be at 0.

If you experience memory errors, your mining will not be efficient. So here are my results: • • • • This is from me guys. I hope that you will find this guide useful and will help you on your way to becoming a miner. How Much Time Will It Take To Mine 1 Bytecoin BCN. If you have any questions, give me a quick message, I will try to answer.