Mining Rig Build Help

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Hello,

I'm would like to start mining Litecoins (or any other profitable "Alternate cryptocurrencies") since there is no way that I could start Bitcoin mining. I'm going to do it as a source of alternative income as well as a hobby. I don't pay for electricity so don't worry about factoring that in to advice .

The max I can spend on the build is $765 USD

I really want to get the most Kh/s (or Mh/s) as possible, this said I'm fine with having 4 cards on one rig, or more than one rig is fine aswell!

Really what I'm asking for here is help with picking parts, because I'm new to mining and I don't really know what specs I should be looking for (besides no nvidia cards ).

As always thanks in advance, and I'll be sure to send some LTC (or any other "Alternate cryptocurrentcy") your way when I finish!

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Also, forgot to mention. I don't need an HDD or Case included, already have both.

[Ryu.Hayabusa]

I'd recommend 7950s for GPUs.
Seasonic or Corsair 850w -> 1250w PSU, depending on how many GPUs you are planning to get.  Each 7950 uses ~190w, so for 3 you could easily do it on an 850w.
Any CPU+Mobo that is low cost and has the amount of PCI-E slots you want for the number of GPUs you're planning to get (if you had a bigger budget I would recommend a well known brand for the motherboard such as ASUS).
And for RAM, 4-8GB Corsair/GSkill 1333-1600.

Unfortunately I wasn't able to price out anything that included 2x7950s as it went way over budget.  So you may have to start out with 1 card for now and add more as you mine or gain other income.

Hope this helps!

[crazy_rabbit]

I'd recommend 7950s for GPUs.
Seasonic or Corsair 850w -> 1250w PSU, depending on how many GPUs you are planning to get.  Each 7950 uses ~190w, so for 3 you could easily do it on an 850w.
Any CPU+Mobo that is low cost and has the amount of PCI-E slots you want for the number of GPUs you're planning to get (if you had a bigger budget I would recommend a well known brand for the motherboard such as ASUS).
And for RAM, 4-8GB Corsair/GSkill 1333-1600.

Unfortunately I wasn't able to price out anything that included 2x7950s as it went way over budget.  So you may have to start out with 1 card for now and add more as you mine or gain other income.

Hope this helps!

Yeah the 7950's are the way to go GPU wise, they are expensive though, but I wouldn't at this point bother with anything less.

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So assuming i buy one 7950 now, and use the profit from it to buy an additional. What hashrate can I expect?

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Thanks for the advice, i think ill ask in the mining section next though.

[prdkojistic]

So assuming i buy one 7950 now, and use the profit from it to buy an additional. What hashrate can I expect?

You will get about 450-500MH/s according to this source: https://en.bitcoin.it/wiki/Mining_hardware_comparison

[prdkojistic]

So assuming i buy one 7950 now, and use the profit from it to buy an additional. What hashrate can I expect?

Or about 550KH/s on crypt according to this source: https://github.com/litecoin-project/litecoin/wiki/Mining-hardware-comparison

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550 kh/s for each card? Or both the wiki says 550 for one 7950

[phrozenspite]

I'm running one of the MSI twin frozr 7950s, with moderate overclocking you can get 550 or better on both, some with higher overclocks get around 600