Building your own mining rig

Wesley_wangbit

New member
Jan 3, 2014
2
0
Hi everyone,

This thread started out with me trying to ask for help building my own mining rig, since mining is a highly specialized deal. I was not able to find off-the-shelf PC that is cost-efficient (I did find some) and neither did the wiki page help much.

Reasons I felt being some of them weren't within my budget or that in the age of GPU-Mining, CPU/RAM Power and other apparels are of less importance, the cost of these could go into more GPU power or simply lessen the burden of the investment by having a lower return of investment.

I also found a few other similar threads that eventually help me decide on what I'll be building in a few days from now. Many thanks to grndzero and many others who have been nothing but a great help to such a DIY-PC newbie like me to actually putting together one by myself.

I've found myself thinking of building more rigs with a focus of balancing cost-effective with future upgrade option and thus will continue to keep this tread alive with my findings and possibly discussions with many experts from this forum. I also intend to consolidate the different guides/treads/builds that are around into this one tread so that it'll be a lot easier for everyone who'd need this info.

Hopefully this tread will be of help to new people like myself in this massively confusing and technical world and also serve as an updated guide between the same fast-paced PC world and Bitcoin Mining world.

This is not yet complete but I intend for it to. Let me know what you think about it and give me suggestions and feedbacks. I gotta go get some sleep now and do some other stuff.

1. Before you start
You have to ask youself where is your balance for this machine, is this a
- Dedicated Mining Rig
- Mining/Gaming Rig
- Entry/Trial Mining Rig
Head over to here and see some of the rigs that people are showing off and discussing to have a better idea of what I meant by balance.

2. Budget
After you've decided, you'll want to have a rough gauge of the amount of budget you'd want to throw into building this rig. The general guide is that don't spend over $1 per Mhash/s for your rig or it might not even be profitable enough to cover it's own cost in future [subjective] ($0.75/(Mhash/s) for best but hard to achieve)

3. Picking out the stuff
After budgeting you can have a general idea of how much Mhash/s will you be generating from this rig, with that we can start off with the Graphics Card (GPU) which is the core of generating Bitcoins, there isn't really much to say here as the Hardware Comparison Chart shows all the hashing rates for most of the modern cards.

The rest of the components are discussed but subject to availability in your local store, I agree to the general consensus of not accepting backorders as the difficulty adjustments recently are going all over the place and it is becoming very difficult to grasp the situation and make any predictions. The calculations that you've made would be best carried out as soon as possible.

- 3.1 Graphics Card
- Hardware Comparison Chart
- 5830 @ 320 Mhash/s
- 5850 @ 340 Mhash/s
- Best GPU for price
- 3.2 Motherboard
- 3.3 Processor
- 3.4 PSU
- Best PSU to buy?
- 3.5 Other Stuff
- RAM
- HDD
- OS
- Windows
- Mac
- Linux
- LinuxCoin
- Ubuntu 11.04 Natty 64bit Headless Bitcoin mining with ATI 11.5 binary driver
- Ubuntu Natty Narwhal 11.04 Mining Guide / HOWTO
- MISC

4. Build Treads
building a mining rig with $1800
Building a 4x GPU setup. Need some advice
What I Learned from Building 3x5850 Rigs; May 2011
Building first time under $1000 rig
Best bang for the buck? Whole rig
Best Coin/Buck rig V2
4x Radeon HD 6990
Problem running 4x 5830, please help!

5. References & Others
Windows Sidebar Gadget Supports (Deepbit/Slush/Eligius/BTCMine/BTCGuild)
FOR SALE: PCIe 1x & 16x Extender Cables, Mining Chassis & GPU Dummy Plugs
PCI-e 1x Extender not work in 16x connector
Auto Run Miners, Run Miners in Background/as Service?
run your miners invisibly with different arg when pc idle and pc used (Download)
run your miners invisibly only when pc idle (Download here)
How To Open 6 Terminals, Set GPU Clocks, And Start POCLBM On Ubuntu Startup???
Whitepixel breaks 28.6 billion password/sec
Sapphire ATI Radeon HD5850 Xtreme 1 GB Review

P.S If you found my post helpful, feel free to send me a tip | 13kHaYGkF9W5xNjF2Ck5hTgVR9MNjr8c3U |

P.P.S I realized I've quickly transited from a rig-building consolidation to looking more like a simple newbies guide so I've started this tread instead so I may continue updating here with my rig-building stuff.

EDIT: I've been pretty busy learning more stuff and updating the Beginner's Thread and have been lacking in this thread. However, I've added many links here regarding builds as I try to optimize my build and future builds.

Original Post
Hi everyone,

I'm in this weird position and need some help.

Where I stand,
1. I'm in need of a new desktop (mine's 'bout 9 years old), albeit not desperately
2. I intend to build a least 1 mining rig
3. I don't have that much cash to burn
4. Worried about Bitcoin's collapse (thus breaking even)

So I this is what I think, I get a basic comp jam some GPU hashing power in there and get it mining (2.). If (4.) were to ever happen I'll rip the GPU out and build my 'new' desktop (1.), while the basic comp will be fitted with some basic GPU and be given away to my relative. In my mind this essentially utilize whatever 'cash' I have to play around with (3.)

Let me know if this makes sense to you and share some perspective

However, right now I'm presented with the problem of acquiring the mining rig, I've usually just bought desktops off the shelf and is not technically inclined to build my own desktop (which I know is cheaper [3.]). Seems like mining is highly specialized and there isn't much choice of readily available systems out there

I've read that GPU is the main focus on OpenCL mining and the subsidiary problems would be supplying it with power, cooling and the motherboard. What is less of a concern are the processor, RAM, OS and HDD.
 

Danies_louis9909

New member
Jan 3, 2014
3
0
You must be crazy, still using this oldways to mining, you will never get to breakeven point at this difficulty. You’dbetter try some special bitcoin miners, like KNC and butterfly, as those 2 arepre-orders, if you want to start right now, you could try to buy miners frombest-miner.com, they have bitcoin miners in stock
 
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Shoki

New member
Dec 25, 2011
81
0
Why not just buy the coins? If a rig costs $2K why not just buy $2K of DogeCoin or LiteCoin? You will have a lot of coins and will have saved money on electricity? Is this a crazy idea?
Thanks,
--Shoki
 

Pete

New member
May 15, 2013
359
0
Why not just buy the coins? If a rig costs $2K why not just buy $2K of DogeCoin or LiteCoin? You will have a lot of coins and will have saved money on electricity? Is this a crazy idea?
Thanks,
--Shoki

no not as such, but many of us also do it because it's fun (at least i do), and atm a rig will earn it self back within a few months and then start turning a profit(as the difficulty and value is right now)
 

Shoki

New member
Dec 25, 2011
81
0
So what are your rig's specs? What do you mine? How much do you make on a weekly/monthly basis? Do you burn a lot of electricity? I'm thinking about getting into it one way or another.
 

Pete

New member
May 15, 2013
359
0
Well right now I'm getting 550 khash/s and getting ~4 LTC a month. But I've got 2 r9 280x coming in first in February and then I should be getting 1900 khash/s, which should give about 14-15 LTC a month. My rig should go through roughly 0.9kW per hour. Electricity is cheap where I live so it's not that bad. 1 LTC =23-34$
 

Shoki

New member
Dec 25, 2011
81
0
So I have an old i3 machine sitting in the living room. If I jam (2) 280x's in there would that make 14-15 LTC? Do you think that's reasonable?

I have this motherboard ASRock Z68 PRO3 GEN3 Intel Z68
ASRock > Z68 Pro3 Gen3
 

Pete

New member
May 15, 2013
359
0
So I have an old i3 machine sitting in the living room. If I jam (2) 280x's in there would that make 14-15 LTC? Do you think that's reasonable?

I have this motherboard ASRock Z68 PRO3 GEN3 Intel Z68
ASRock > Z68 Pro3 Gen3

No more like 11-12 ltc a month. 2 x amd r9 280x gives roughly 700 khash each, so 1400 khash total
 

Pete

New member
May 15, 2013
359
0
Most r9 200 series gpu's should start to turn a profit within 3 months at the current value and difficulty
 

Shoki

New member
Dec 25, 2011
81
0
No more like 11-12 ltc a month. 2 x amd r9 280x gives roughly 700 khash each, so 1400 khash total
So you are running more than (2) 280x's? to get to the 14-15 numbers.
Any card you recommend? Do all the cards have to plug in to PCIe 3.0 x16 slots?

Thanks!
--Shoki
 

Pete

New member
May 15, 2013
359
0
So you are running more than (2) 280x's? to get to the 14-15 numbers.
Any card you recommend? Do all the cards have to plug in to PCIe 3.0 x16 slots?

Thanks!
--Shoki

Yes I also have a gtx 780 running, but only because I already had it in my system. But the 780 only gets 550 khash/s. I would recommend the r9 280x they have a great $/khash ratio

And no they don't all plug in to PCI x16 slots. The bandwidth is not so important when mining I have 2 PCI x16 (running at x8 each) and 1 PCI x1
 
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