I have two or three BK-X10 and a single BK-G28 I've been debating running again as well. Seems BK-G28 is fairly profitible on GRS.

Is this just because no new GRS miners have been created since BK-G28 and thus difficulty is kept low?

Was scrolling the socials tonight and saw this post from the official Bitmain account announcing the launch of the long-awaited E9 Ethash ASIC. Looks like the E9 is opening for order / pre-order tomorrow morning July 6th, 2022 @ 9 AM EST.

Thoughts, opinions, predictions?

https://imgur.com/a/5TP1J7L

I'm curious what the launch price will be given Bitcoin is currently priced under $20,000 and average going rate for GPUs seems to be $6/MH/s. I could see Bitmain pricing around $10/MH so my guess is between $20-25k.

I too have space for over 80kw; I've commited to a 2 year lease at my space just starting in November; so I need some volume of cards to make the rent worth it and pay for overhead etc. On one hand I would hate to find myself with a trove of used offbranded RX580's that plummet 50% in value when 30xx stock loosens up; but would also hate to find myself with an empty office for months while ETH continues to sky-rocket.

As you say nobody knows; I feel like an older person burned from the Great Depression of 2018 hiding money in the walls and under the mattress I just know that 580's will have to be dumped sooner or later so I figured I'd hedge by starting now, with the culmination of the bull market and new generation tech.

I actually mined into Bitcoin not ETH direct and have sold most of it off every month. Much easier on accounting and the sanity (I had start-up costs to pay; my electrician just cashed a 5k check for my 3ph infrastructure). I also sold off a good chunk around 10k BTC/USD so I don't really have reserves but am comforted in that I won't lose my gear during a flash crash either. Mining is sort of my hedge/safety net in the crypto space when compared to margin trading.

In any case here are the answers to your questions:

1) No I keep them flashed; but I usually run a stress test through 3dMark TimeSpy to make sure it can handle gaming loads as well (sometimes I omit this if selling bulk to a miner, knowing they were pulled from my deployment but I make sure to if going to a gamer.)
2) I ship through USPS Priority Mail
3) I am unabashedly advertising them as mining cards; "Mining" is in my username and I mention that they are already flashed and ready to go and post a hashrate screenshot in my listing.
4) I am listing them in batches of 12-20 yes. 10 just sold @ 250 this morning; averaging 2-10 a day in sales lately.
5) Ebay normally takes 10% commission and paypal takes 3.5% or so. I pay $30/month for an Ebay Store Subscription which knocks down the fee category for certain items. For GPUs it brings it down to 6.5% from 10% commission. Whether the $30/month is worth saving 3.5% on your gross revenue depends on your volume. For me it was obvious.
6) I have had a return or two; it seemed like buyers remorse but the guy said he "didn't have enough power or CPU" for it to work. Not sure if user error or BIOS issue but it worked when I got it back. Paypal will usually side with the buyer yes. You are welcome to record down serial numbers.

Anyone else thinking of dumping hardware at these prices? I've got a modest farm of around 7-8 GH/s and once I saw RX 580's break $200 I started listing them on ebay. I've sold around 30-40 so far atleast between $200, 225, and 250. I see new ones sold by Best Buy for $279.99 on ebay so I could see getting up around there but I can't imagine going much higher. Not to mention my cards are all unbranded chinese "Ethecoin" manufactured.

I just figured at $200+ you can flip 2 x 580's into 1 x 3060Ti for the same hash at half the power consumption when stock comes available within the next few months (hopefully?). I was thinking I could sit on the cash for a few months but if it's any longer it is probably smarter to just keep the cards with ROI currently at 6-7 months. Any one else got opinions on selling RX 580 8GB's at $225-250+ and or predictions on when RTX 30xx series stock will lighten up?

Anyone else thinking of dumping hardware at these prices? I've got a modest farm of around 7-8 GH/s and once I saw RX 580's break $200 I started listing them on ebay. I've sold around 30-40 so far atleast between $200, 225, and 250. I see new ones sold by Best Buy for $279.99 on ebay so I could see getting up around there but I can't imagine going much higher. Not to mention my cards are all unbranded chinese "Ethecoin" manufactured.

I just figured at $200+ you can flip 2 x 580's into 1 x 3060Ti for the same hash at half the power consumption when stock comes available within the next few months (hopefully?). I was thinking I could sit on the cash for a few months but if it's any longer it is probably smarter to just keep the cards with ROI currently at 6-7 months. Any one else got opinions on selling RX 580 8GB's at $225-250+ and or predictions on when RTX 30xx series stock will lighten up?

Thanks brother; same here. I actually just contacted Core Scientific as well for some more info. I'll report back with anything I find.

With the amount of density and cost savings in developing a custom solution (labor time alone) I'm semi-worried Bitmain could halt sales or go out of stock.

Looking forward to your results!

@philima1957

I also have an investor looking to split purchase one of these models with myself as the operator. It would help me get my rigs in a much more manageable environment and have room to grow even though we can only secure a rate of around $0.08/kwh.

Do you know the differences between the SE and non-SE models? The dimensions look the exact same the only differences I can see on the overview is that the more expensive version is slightly heavier and includes a Power Distribution Cabinet where-as the cheaper SE does not? Does that mean your own panel/transformer would have to be fitted to the SE version or am I missing something? Anyone have any more information regarding the differences in model/price?

-MeteoriteMining

I'm mostly GPU and branched into a few ASICs for altcoins but mirror your sentiment; I regret every ASIC purchase I made. They may work but only for the lowest of the low electicity and at which point you'd benefit just as much from adding more GPU's which have a higher security on your investment in resale value as you mentioned (some ASICs turn out to be bricks within a month as I found out. That or hashboards just die.)

Great idea but I tried that and no; no matter how I divide it up it fails after 4 GPU's. I will try to increase page file as Zminer777 mentioned.

Edit: Increasing my page-file size worked! I increased from 24GB up to 50ish GB and now all cards work on windows 10. Thank you very much!

Still unable to run this on my rigs due to initialization errors. It seems it will only run with a max of 4 cards no matter what configuration I try. @Zminer777 any ideas?

Selected devices:   GPU0 GPU1 GPU2 GPU3 GPU4 GPU5 GPU6 GPU7
Temperature limits: 90C  90C  90C  90C  90C  90C  90C  90C
------------------------------------------------------------------
21:26:29 Failed to initialize miner on GPU4: EVGA GeForce GTX 1080 Ti 11GB:
21:26:29 Failed to initialize miner on GPU5: ASUS GeForce GTX 1080 Ti 11GB:
21:26:30 Failed to initialize miner on GPU6: EVGA GeForce GTX 1080 Ti 11GB:
21:26:31 Failed to initialize miner on GPU7: ASUS GeForce GTX 1080 Ti 11GB:
21:26:31 Connected to grincuckaroo29.usa.nicehash.com:3371
21:26:31 Authorized on Stratum Server
21:26:31 New Job: 1786820709970 Difficulty: 1
21:26:31 Started Mining on GPU0: ASUS GeForce GTX 1080 Ti 11GB
21:26:31 Started Mining on GPU1: EVGA GeForce GTX 1080 Ti 11GB
21:26:31 Started Mining on GPU2: EVGA GeForce GTX 1080 Ti 11GB
21:26:31 Started Mining on GPU3: ASUS GeForce GTX 1080 Ti 11GB

Any idea why half of my cards on my rigs won't initialize? 1070 and 1080Ti's on 5, 6, 7, and 8 card rigs using Windows 10. I can only get 4-5 cards running at the same time max.

+----------------------------------------------------------------+
|                          GMiner v1.28                          |
+----------------------------------------------------------------+
Algorithm:          Cuckaroo 29 "Grin"
Stratum server:
  host:             stratum://grincuckaroo29.usa.nicehash.com:3371
  user:             1080TiMiner3
  password:         x
Power calculator:   on
Color output:       on
Watchdog:           on
API:                off
Log to file:        off
Selected devices:   GPU0 GPU1 GPU2 GPU3 GPU4 GPU5 GPU6 GPU7
Temperature limits: 90C  90C  90C  90C  90C  90C  90C  90C
------------------------------------------------------------------
15:25:19 Failed to initialize miner on GPU4: EVGA GeForce GTX 1080 Ti 11GB:
15:25:19 Failed to initialize miner on GPU5: EVGA GeForce GTX 1080 Ti 11GB:
15:25:20 Failed to initialize miner on GPU6: EVGA GeForce GTX 1080 Ti 11GB:
15:25:21 Failed to initialize miner on GPU7: EVGA GeForce GTX 1080 Ti 11GB:
15:25:21 Connected to grincuckaroo29.usa.nicehash.com:3371
15:25:21 Authorized on Stratum Server
15:25:21 New Job: 1786816409170 Difficulty: 1
15:25:21 Started Mining on GPU0: EVGA GeForce GTX 1080 Ti 11GB
15:25:21 Started Mining on GPU1: EVGA GeForce GTX 1080 Ti 11GB
15:25:21 Started Mining on GPU2: EVGA GeForce GTX 1080 Ti 11GB
15:25:21 Started Mining on GPU3: EVGA GeForce GTX 1080 Ti 11GB
15:25:25 GPU3 Share Accepted 99 ms
15:25:27 New Job: 1786816409366 Difficulty: 1
15:25:28 GPU2 Share Accepted 110 ms
15:25:30 GPU1 Share Accepted 143 ms

I cannot get more than 4 cards to initialize when mining Grin at the same time. On my 6, 7, and 8 card rigs anything over 4 cards throws initialization errors in the beginning.

  password:         x
Power calculator:   on
Color output:       on
Watchdog:           on
API:                off
Log to file:        off
Selected devices:   GPU0 GPU1 GPU2 GPU3 GPU4 GPU5 GPU6
Temperature limits: 90C  90C  90C  90C  90C  90C  90C
------------------------------------------------------------------
22:18:26 Failed to initialize miner on GPU4: GIGABYTE GeForce GTX 1070 8GB:
22:18:27 Failed to initialize miner on GPU5: GIGABYTE GeForce GTX 1070 8GB:
22:18:28 Failed to initialize miner on GPU6: GIGABYTE GeForce GTX 1070 8GB:
22:18:28 Connected to grincuckaroo29.usa.nicehash.com:3371
22:18:28 Authorized on Stratum Server
22:18:28 New Job: 1777603967957 Difficulty: 1
22:18:28 Started Mining on GPU0: GIGABYTE GeForce GTX 1070 8GB
22:18:28 Started Mining on GPU1: GIGABYTE GeForce GTX 1070 8GB
22:18:28 Started Mining on GPU2: GIGABYTE GeForce GTX 1070 8GB
22:18:28 Started Mining on GPU3: GIGABYTE GeForce GTX 1070 8GB
22:18:31 GPU3 Share Accepted 120 ms

Mine are getting worse as well; it used to be once every day or two but now it's multiple times a day and takes 2-10 power cycles to get it to hash again (and will crash within minutes/hours). One of the units crashed a week or so ago and shows up on the network/gets assigned an IP but doesn't respond/let me on the dashboard.

Up-time and therefore ROI is severely and detrimentally affected if i'm not there to babysit the machines. I swapped the control boards and hash-boards between two machines and saw no change so it may be a software issue?

One of the three machines from an earlier batch doesn't crash nearly as often; so also maybe points to an issue in the second batch?

Has anyone found a fix for this? Two of my three G-28's crash atleast everyday while one of them seem to be able to go for a week or so. I am forced to power cycle them to get them to hash again, but about 50% of the time of when power cycling them they fail to boot up correctly and will not hash. This forces me to power cycle each machine sometimes multiple times in a row.

My solution to this was to put them on a switched PDU and/or smart outlets on a schedule to cycle every few hours; however half of the scheduled resets result in a non-hashing machine until the next scheduled reset (which is every 2-4 hours currently, I will have to adjust for more frequent resets however it seems they will still only correctly cycle about half the time.)

At this rate; since about 50% of my power cycles result in a non-functioning machine, the BK-G28's are effectively only hashing 50% of the time. This is catastrophic.

Anyone else with similar experiences?

I have a similar experience, pools are reporting 10-20% less hashrate than advertised. Skein bounced between 11-14 Gh with an average around 12.5-13 I'd say.  Myr-Gr was similar and averaged around 25-26 Gh.

I got my BK-G28 delivered yesterday. I have it up and running on Skein but am only getting 12 GH/s poolside instead of 14 GH/s advertised; tried two different pools so far.

Baikal Miner Web UI is useless for checking actual hash rate and it just seems to display a dummy number per card no matter what. Case in point: one of the hash-boards on my BK-X10 is seemingly dead 2 months after ordering, and the web UI still shows 1.746 Gh/s for the board and 3 boards for 5.238 Gh/s total; just that it shows 0 accepted shares on the faulty board. Pool-side shows around 3 GH/s because of the broken board despite that Baikal Web UI shows 5.238 GH/s

It seems BK-G28 behaves similarly and shows the hardcoded advertised speed of 2.028 Gh/s per board for 14.19Gh/s total no matter what. Either that; or my broken board on my BK-X10 IS still hashing at 1.76 GH/s and it's reporting correctly and just for some reason is getting no shares.

Full size Z9 price drop to $1994/unit from about $3200/unit and Z9 Mini no longer for sale on Bitmain website.

Been out of stock for weeks but just came back.

Vosk,

I don't think it makes much sense to compare things in terms of flat $USD per day. Much more logical to compare in terms of ROI as we have been doing for years, that equates all things and keeps it relative by eliminating variables such as card price, hashrate, electricity price, etc.

I too have beaten and been under WTM figures many times. I think something people need to realize is that unless they are literally selling every day, they are chasing the coins that have already pumped on WTM. Rather than mine RVN right now, get low amount of coins because of high difficulty surge, and then only to get dumped on because price doubled over a day or two; I'd rather mine coin that hasn't pumped yet like BTG and sit on my stack.

For example, I mined RVN for the past few months on and off while it was low in price and under the radar and sold off on yesterdays pump to 500 sat. I netted much more than WTM claimed I would because I stockpiled a low diff and low price coin. Now that difficulty and price surged I moved off to other things and hope to repeat the cycle. If you are one of the few people that actually DO auto-convert all your mined coins or sell them daily; then yes it makes more sense to mine the top coin and convert to what coin you want daily. In practice and for the rest of us that mine and sit on a stack, be careful of chasing WTM figures.

-Meteorite

I'm supposed to be picking up 6 x EVGA 1070's tomorrow from a local seller for $200/each; with all rig parts (frame, cpu, mobo, PSU, RAM, risers, etc) thrown in for a grand total of $1200 for the whole bundle.

What do you guys think? Good deal or would you rather hold off to see what AMD brings in the form of 7nm? I don't expect a 7nm release from Nvidia any time soon so not too worried there.

They are making pretty much diddly squat @ my current rate of $0.13/kWh, but I can't imagine 1070's depreciating much below $200 in the next year or two (much less nice EVGA models). I basing this partially off the fact that I sold my old 970 (a generation older mind you) a month or two ago for $150, and partially by looking at the cost of a new RTX 2070 relative to it's performance increase.