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I'm kinda wounder what would be the best way going about setting up multiple CPUs for mining similar to how your would GPUs, right now i am getting 250 h/s on my AMD FX 6 core, and if the calculator is not wrong, i can make 15 dollars after power cost a month of XMR,  is there components or a way for me to setup say 5 of my CPUs, i just don't know what to even look for, i was checking out server mother boards, but not sure about it. just looking for more along the lines a small pci boards, or even separate unit i could plug a cpu into and use to mine? is there anything like this if not think there could be a market for it? i think there might be i mean if there are cpus capable of making profit, maybe even help levereage the strangle hold on the GPU market, or put it in the same position

Best you can do is with 4 of latest Xeon Processors which will make you about 3900-5100 h/s with very low power consumption. That is the same as having a 6 GPU-rig running for you all the time, the cost is very high for such setup though and probably you can build a 6 GPU-rig with half money compared to such latest Xeon Processors PC.

Processors are :
4x Intel Xeon Platinum 8180 = 5100 h/s Monero hashrate.

Price is very expensive though and better to go with 6 GPU rig.

Price tag of such processor is 10k usd so with that money you can build 3 x 6 GPU-s rig.

for what Im getting, CPU mining is really not profitable

so basically you are talking about having several GPUs mining rings



lets say you have, just for the sake of making things straight



10 GPUs mining rigs with 10 GPU each, that would make up a total of 100 GPUs mining at same time

in plain english, you have 10 PCs with 10 Video cards

So the questions is

Your basically having 100 miners (workers) all working towards getting Crypto Coins for you



I mean... how would you connect 10 PCs working towards the same, or does each ring works separate??

i kinda get what your saying, sorry for nto explaining enough, best why  i could explain it is, say i have something like a gridseed blade, but instead i could put my own cpu's on it instead, and use it to eliminate having to run multiple whole motherboards

The thing to do is to build mining rigs with GPUs that also have a decent CPU that can mine while your GPUs are all mining. You need a CPU anyways, so it's only smart economics to buy one that will pay for itself and bring in some extra $ each year.  The downside is that bang for buck AMD has the best CPUs for mining and there are very few AMD socket mining specific motherboards out there.... only 1 that I know of actually.

as of right now i do mine on my cpu when im using it, which is 24/7, i was just wounder cause i could get my hands on 2 AMD FX 6 cores at no cost to me and i was just wanted to see if i could use them to mine without the need for a whole other motherboard setup,  been saving for rx 480 but winter been brutal on my electic bill been hard to save, thanks for all the information yins where very helpfull

Resurrecting this thread in light of monero’s new RandomX algorithm...any insight on multi cpu configurations over gpu configured mining rigs?

https://cryptobriefing.com/wp-content/uploads/2019/12/monero-mining-chart.png (https://cryptobriefing.com/wp-content/uploads/2019/12/monero-mining-chart.png)

Multi CPU "rigs" don't exist. Multi CPU motherboards and the CPUs that support them
are very expensive and support only a few CPUs.

Intel Phi compute modules can be installed like GPUs but are also very expensive.

The closest you can get to a CPU mining rig is a Ryzen R9 or Threadripper with 16 to 32
cores and double the threads. There could even be a 64 core TR in the near future.

As far as cost goes the more systems you build the more the overhead in motherboard, RAM,
PSU, SSD  etc. Fewer systems with bigger CPUs would be more cost effective but near the
high end the CPU prices rise quicker negating the overhead savings of fewer systems.

You'll have to find the sweet spot.

You can build such rig just for fun. Its too expensive to build such a rig with new mb, CPU, etc. If you just want to test it in easy and cheap way - try to buy at aliexpress used components.

not as bad as you think a lot of boards will do the

  ryzen 5 3600x
  ryzen 7 3700x
  ryzen 7 3800x
  ryzen 9 3900x

A lot depends if you were like me when I built gpu rigs I used better boards..


my   x370  all bios up grade to ryzen 3000    mobo cost = 0
my psus were all atx                                    psu cost = 0
I used 2 sticks of 8gb ram                            ram cost = 0

cooler  the  cooler master 240 aio = 70 bucks
cpu    250 to 500

pretty afford able upgrade  if you do the 3800x on sale = 369

https://www.amazon.com/AMD-Ryzen-3800X-16-Thread-Processor/dp/B07SXMZLPJ/ref=sr_1_2?


cooler master = 75
https://www.amazon.com/Cooler-Master-MasterLiquid-Chamber-MLA-D24M-A18PC-R1/dp/B07CRGC899/ref=sr_1_1_sspa?


or ryzen 3700x 309

https://www.amazon.com/AMD-Ryzen-3700X-16-Thread-Processor/dp/B07SXMZLPK/ref=sr_1_3?


so for 369+75 =444  and sell my 1800x for cheap (100)  I get  solid up grade for only 344

i feel lucky to have
 three 3900x
one threadripper all running

and three more boards ready to upgrade .

no psu cost
no ram cost
only one mobo purchased.

i will have seven running for under 2000. roi will be 150-200 days.

pretty quiet and will warm the basement for winter.

Usually such calculating ought to multiply x2-x3. Nowadays any coin with profit getting huge hashes really fast. And ROI becoming 250, 350, 450...
But 3 CPU without any additional expences are the nice choice for home PCs.

ROI 150 - 200 days? No way, never, noooo. Which calculator you are using?  ::)

they are quiet and reduce my heating bill from 240 to 100 a month.  so 140 x 4 = 560 extra..


 The boards  are not free they  are paid off and I have a hand full of cards that are paid off  they add to the profit.  

  Yeah 150 200 is too good  it is more like 350 days.

  My power bill for this gear is low enough that I can hold all the coin I make .  Since it is all nicehash  It is btc and simply sits in place.

Yesterday I grabbed a ryzen 7 3700x   for 97 bucks. I had a credit on amazon.

People have to realize as long as xmr/monero  changes al-gore-rhythms   every six months  chasing with other hash  is a fail.

Down the road I can consider getting this

https://www.newegg.com/p/N82E16813157902?Item=N82E16813157902&Description=trx40&cm_re=trx40-_-13-157-902-_-Product


and this

https://www.newegg.com/amd-ryzen-threadripper-3960x/p/N82E16819113619?Description=threadripper%203960x&cm_re=threadripper_3960x-_-19-113-619-_-Product


I have all the other parts.   so the 1499 + 459 = 1958  is all I would spend.

Based on past history   the threadripper 3960x will be under 1000 by summer.

the 1920x is now 200-279 it came out over 500
the 1950x is now  500-700 it came out over 1000

the 2950x is now 679 at newegg

https://www.newegg.com/amd-ryzen-threadripper-2950x/p/N82E16819113542?Description=threadripper%202950x&cm_re=threadripper_2950x-_-19-113-542-_-Product

the 2970x is 1250 at newegg
https://www.newegg.com/amd-ryzen-threadripper-2970wx/p/N82E16819113546?Description=threadripper%202970x&cm_re=threadripper_2970x-_-19-113-546-_-Product

it dropped  from over 2000

Nice pun, I guess it could be called an algorism.

I think RandomX is a game changer, even more than than MTP. I expect it so have a
longer ASIC-free life.

Asic-free does not meet profitable. CPU-only algo will attract botnet farmers and ali-express ancient CPU buyers. They have low hashes but more than GPU and costs really cheap.

True, ASIC free doesn't guarantee net proftability but eliminating ASICS will decrease difficulty
and improve earnings.
The botnet issue is no different than when Monero used cryptonight.
The GPUs will move to other algos depressing them relative to RandomX.

Im to lazy to count all of it. As i see used XEON costs $10-30, motherboard about $20-30, ram+flash - $20-30, PSU - $25. This is if you buy it. But as for me - i have all of it except CPU enough to make about 4 rigs.

Hi guys, do you have a recommended coin that are good for cpu mining? I have a couples of amd desktop, I just want to add it in my gpu mining aramada, just want to try a cpu base mining coin.

The good and old Monero is the coin you want to mine
Recently XMR changed the algo and it's profitable again for lot of people
You can download the miner and try

Monero isnt profitable for mining because the nethash and difficulty rised 3 times.
If you need " cpu rig " , multiple boards with multi cpu support you can have blade servers like c7000 HP or more particular the AMD opteron
16 core cpus . The model is BL465c supports dual 16 core cpus the whole chassis handles 16 of them so 32 cpus in total in 10U rack space.
There are still some qty in ebay and amazon i think but its expensive machine for my pocket.

CPU algo is only for botnet, not profitable at all

exactly, this is the point, im telling so many years

How come the monero is profitable again? Is it for real? Is Monero via cpu mining profitable?

Hashrate seems okay on monero, I'm mining XMR with RagerX and mine hashrate is a bit better as compare to yours.  I think RagerX is one of the best platforms to mine Monero. Why don't you give it a try?