Quote from: DaveF on Today at 11:55:36 AM

Quote from: joker_josue on February 09, 2025, 08:34:40 AM

Quote from: philipma1957 on February 08, 2025, 11:02:17 PM

a s21xp burns 85 kwatts 270 hash $4.25 power cost $14.85 mined

In fact, the machines are very profitable, even for those who don't have a high energy budget.

Even I, with a domestic energy price, would make a profit on day one, if I had a machine like that.

But how long would ROI take? And what price level would BTC have to stay at?

As joker_josue the person you can look at things a certain way, as joker_josue the mining company with investors and possibly banks behind you doing the financing you have to take a different view. BTC being $90000+ gives a certain answer if ti drops to the $75000 level does that answer change? It if goes to $125000 but power costs go up 30% what else changes?

And so on.

If I had the space and spare power at the moment I would be getting a 21xp. Because it's just me. Writing a business plan to a bank to get a bunch of them would be difficult.

-Dave

Roi for you or me is not at all what it is for a huge company.

A) they got crazy funding
B) they got 10,000 s21's in dec 2023 or 2,000,000 th which is 2,000 ph or 2 eh. 10,000 x 85 = 850,000 kwatts a day say 36 megawatts an hour 36 containers
C) it is now Dec 2024 and they turn off 3 containers to be replaced with s21 xps'

they sell off 834 s21's and since coins went way up since they purchased those units they likely make 4,000 a unit vs the 3,000 they paid.

the new s21 xp's were about 6,000 whole sale so the only pay 6,000- 4000 = 2,000 a piece x 834 units = 1,668,000 out of pocket. make it 2 million out of pocket.

those units do 225,180 th vs 166,800 th or 58,380 th a day more around 3210.90 a day more $$$ true profit. cost was 2,000,000 seems to be 600 days time to pay the new gear off, but you get to write off 33 to 35% of the 2 million on taxes so cots was 1,300,000 to boost your hash by 58,380 th or 58.38ph more. And not cost to upgrade your power at all.

So yeah marathon has tons and tons and tons and tons of gear in Texas. they are likely rotating out the s21's for s21 xp's

200th vs 270 th same power used.

A guy like me with 25kwatts an hour can not match what they can do. even when I was up to 250kwatts an hour I do not touch them in the least. but I would be swapping out s21xp's slowly . which I have been doing.