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Author Topic: Which Bitmain product right now 6000$ to spend  (Read 487 times)
drmadison
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May 12, 2020, 04:35:25 PM
Last edit: May 13, 2020, 12:10:43 AM by frodocooper
Merited by frodocooper (4)
 #21

Oh I totally get the hobby thing - I was just saying with a $6k investment there's no way to make $8k/yr (even before expenses) - the hashrate arms race continues as it has for ages since FPGA/ASIC mining first showed up. If the goal really is 1 BTC per year, what I suggested is the best way. If it's "I want to mine because it's fun, and it can offset most of the costs of me having fun" well that's another discussion altogether. That just doesn't line up with the FOMO comment earlier though.

In terms of best miner to buy, it's always been either the first of the new ones that aren't out yet (if you're fine waiting, which you said you might be) or the most efficient miner you can get RIGHT NOW to get mining before difficulty continues to rise.

The S19 Pro can be bought new from Bitmain and is shipping - looks like it's going to be a beast, but it's so hard to say what's going to happen between now and August in terms of difficulty increases (especially with the halving that just happened and the assumed drop that we didn't see yet). An S17e can be purchased and ships in the next month, that's a lot less "risky" in terms of difficulty increases. 6 of those would cost ~6k and would get you 360TH/s but do you even have the power necessary to run 6? That's around 20KW or roughly 90-95A of 220v power you'd need available (and at $0.10/KWh around $1500/mo in electric bills).
mark421421 (OP)
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May 12, 2020, 05:06:26 PM
 #22

I’m a bit concerned about the S19. Sitting on the fence with that one. I wouldn’t want to wait that long anyway.

I have access to around 900A of power with a fair bit of solar. So the loading is not an issue.

It will cost me around 0.6BTC + import for 6 S17 e. I would love to know how much it would mine over a year. In terms of BTC value I’m calculating around 1BTC??
drmadison
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May 12, 2020, 07:30:48 PM
Last edit: May 13, 2020, 12:11:22 AM by frodocooper
 #23

900A @ 220? Jesus... you powering a small neighborhood or something? lol. Guess that resolves the power concern.

As for how much it would mine - at the current difficulty it would be 1 BTC. But difficulty will rise, and the new line of miners coming this summer, I'd guesstimate you're closer to seeing 0.5BTC out of it in the first year, then maybe another 0.25 the following year, maybe 0.1 in year 3?
mark421421 (OP)
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May 13, 2020, 05:52:55 AM
 #24

I’m in the UK and my voltage is 235. Two commercial units.

Wow you really think it will be as low as that? I thought even in 6months from the halving the hash rate would be significantly less than just before. Even with the new gear, there must be a lot of S9s in the world been turned off.

It would take two years to break even with out any power costs or failed gear, at that rate.
drmadison
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May 13, 2020, 06:53:02 AM
 #25

We haven't seen a significant dip in difficulty with the halving yet (though it's a bit early to tell). So that guesstimate was based on the difficulty increases remaining roughly what they've been historically. It's very likely that in the next week everything could change. Part of the fun of being around during "The Halving" lol
mark421421 (OP)
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May 14, 2020, 12:23:24 PM
 #26

They have just dropped the price of S17e 60TH to $851 for June dispatch

Tempting...
philipma1957
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May 14, 2020, 01:40:30 PM
 #27

They have just dropped the price of S17e 60TH to $851 for June dispatch

Tempting...

told you to wait. that is a decent drop

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SeaBits
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May 22, 2020, 06:09:19 AM
Last edit: May 23, 2020, 02:20:30 AM by frodocooper
Merited by frodocooper (2)
 #28

Another $50 drop:

https://shop.bitmain.com/product/detail?pid=000202005181635433922cmmNtLw06EA

At the time of this post it's $799 with a Shipping date of: 1-31, Jul. 2020.
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