Well, relationship with Nvidia is probably too strong of a word, let’s say we know each other and they introduced us to a few manufacturers which helped a lot with pricing. We definitely don’t have daily chats, but we can order chipsets directly from them if the volume is there. With AMD - no direct relationship at all, unfortunately.
And these are not our Telegram groups, we are just part of them and many people there know us and dealt with us. You can always check.
Hi @tromp and fellow grin miners:
Has anyone tried mining c29/ c31 with an NVIDIA P102/P104? Results?
I have been testing a V100 with c31. So far so good. I am interested in optimizing for c32 and could use help from an expert on the algorithms. I will make a DGX station available for this purpose.
Wow, sweet. is it possible to order one custom with some fans for cooling also? or maybe its DIY ?
It will have dual fans. Of course, if you want something special we can’t do a one-off - it is a factory assembly after all. If you want a thousand or more, we can talk.
Hi guys! Has anyone calculated the payback time of new GPU for GRIN?
How can we calculate it while GRIN price may rise more than twice per day.
You mean dumped twice per day ?
Pls sir… What then would u recommend I buy (specification) for effective cukatoo31 grin mining and the anticipated cukatoo31. Thanks sir
I’m using these for C31: https://minermonitoring.com/url/gigabyte-gtx1080TI 6x1080TI makes about 3.2-3.4gps (7 with BMiner & C29)
tell me how can I mine coins if I do not have mining equipment? Is it possible to mine this coin by renting power and on what website to do it?
While you guys are thoroughly engaged in discussion about the high-end video card market… you fail to take into account and consideration one simple reality: Most people are unable to afford it… and as a result, you neglect a massive chunk of usable hash rate that typically comes from the older generation of GPUs still present at large scale mining farms and cloud facilities.
If Grin wants to remain truly secure and decentralized - a lot of focus needs to be allotted towards creating long term support and compatibility for the low-end GPU market; This market comprises more than half of the world’s GPU hash power.
Since most of the hash rate comes from Chinese mining farms that are still on RX 470/480/P104/P106 with 4-6GB RAM - as well as global farms that value economy over price, and cloud mining services that are scattered all around the world… you are effectively blocking out a huge chunk of such decentralized validation power by creating memory requirements that are simply out of reach of many.
In a way, Grin is coming off as elitist and selective of who can participate in the validation of its blockchain. Kind of defeats the purpose of decentralization if only the wealthy investors can partake in mining…
While most people with low-end GPUs are begging for Grin developers to implement proper support for 4-6GB cards… you guys are talking about RTX 2080 Ti and cards with 16-24GB RAM that absolutely NO ONE* can afford! Goes to show where the priorities are in this project.
This post is written for Grin and mining software developers to read.
*Footnote: When I say “no one”, I’m referring to large portions of the world’s population. It’s figurative and not literal, but it gets the point across.
Great post. I just wanted to add that the Grin team is elitist in terms of technical knowledge as well as wealth. They definitely don’t have a UX (user experience) team.
If you can afford a mining RIG with at least 6 cards, then you can afford cards to mine GRIN, it is only a matter of choice of what to mine and ROI.
If you highly invested in those old cards, yes your are not able to be very efficient at GRIN C31 mining. New algorithms become more and more unfriendly with old GPUs (3Gb cards, even 4Gb cards for MTP for example) etc. You cant blame a developper team to choose efficient algorithms towards their technical goals and to optimize those algorithms towards the standard of market (which is RTX and Vega).
Also you are wrong, its not elitist because someone who put money 2 years agon in a 8GPU RIG can today buy a 8 GPU rig for the same price with an efficiency of 3,2 GPS towards C31 algorithm, and the ROI is so much better than the old 8 GPU rig but the investment cost the same. So it is not Elitist because a guy who invest the same amount today in a RIG can mine GRIN more than 4x time more efficiently (ROI) that if he put the same money on a RIG to mine ETH for example.
Only point you are right is if you invest 2 years ago and never upgrade your RIGS, then yes you are stuck to “classical ROI coins”. It is logical you get a bonus when mining coins like GRIN, ZCOIN, NGI etc.
maybe the question is if those 4-6GB GPUs can be supported properly at all because of a specific memory requirements ?
(and if it does make sense to put a significant effort to write a solver for them…)
i can only comment miners/solvers available for 4GB AMD GPUs, since i have no Nvidia.
there are solvers for both c29 and c31
c29 - kbminer from minerbabe os (a double pass - half efficiency c29 solver)
this solver has to fill the GPU memory twice for each solution, thus the solver GPS figures are only one half compared to 8GB cards. the solver is utilising the GPU properly and maybe the developer can slightly improve the code, but not that much IMO. now, if you calculate your profit mining grin with this solver, you will quickly find out that any other algo outhere is more profitable (including ethash)
c31 - grin-miner ocl_cuckatoo plugin (lean miner)
there is definitely a room for improvement here, since the plugin is utilising the GPU poorly. the solver fidelity is around 70-80% also.
so, what i can only suggest to owners/miners of 4GB AMD - go for BEAM 
Hello i want to buy a mining rig. I have no idea how to build it so i’m contemplating the option of buying a 6 to 8 GPU card complete mining rig.
As far as i’ve read in this forum (i still can’t see consensus in this forum on which is the more appropriate card in terms of efficiency/Card cost). People chooses 3 GPU cards for the job.
1080 i
2080 ti (expensive)
and RX 570/580
My question is, which of these cards would be the best option to buy to mine GRIN in terms of efficiency and GPU card price? I still don’t see consensus in this matter.
These are cool too
https://www.coindesk.com/sapphire-tech-targets-grin-cryptocurrency-with-new-gpu-miner?amp
Check out our miner, it has 9 x RX570 4GB and is on sale for only $1,295 right now. https://www.alphaminer.io/gpu-servers
But is RX570 4GB the best GPU for mining Grin? 
Obviously not at 0.6-0.7 gps each, but you are looking at about $206 per gps in a professional rig with certified PSU and no-riser motherboard. If you are a pro, you are not looking for the most powerful tool, you are looking for the most profitable with the fastest ROI. Success is always about value, not power.
I understand your desire to sell your product. I just hope that you (your potential customers) remember to take energy consumption into account when calculating payback.
But it’s an offtopic here though.