CPU mining is not profitable. For a dedicated mining rig you want as many PCIe slots as possible so you can cram lots of GPUs onto the board and distribute the board/ram/cpu costs across a lot of hashing power.
For a hobbyist, a board with a single PCIe slot, like some ITX boards have, may suffice.
Topic: Mini motherboard rigs - page 2. (Read 2205 times)
I've seen a few mini motherboard products on sale online for about $100. They say they can provide speeds of up to 3ghz as a unit (not mining wise) and come with integrated video cards. My question is, how viable would they be in a BTC mining rig? I have used the search function and only found things like the 'butterfly labs' rig and similar posts. I'm thinking about buying a few and connecting them to mine as a startup rig. Any help would be appreciated, especially since I've never had a computer that was about 2.2ghz CPU wise =)
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