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Progress report · Oct 15, 2026 · 4 min read

The Whatsminer M63S ran 364 days in the UAE without a day off, then crossed to Nigeria

At 18.5 J/TH the water-cooled M63S needs a hashprice near $27 to cover its power at 6¢, and June's low came within $1.10 of it. It did not stop. After a year next to the UAE's water plant and warranty centre, it moved to cheaper power this week. Here is what it has banked and what the forward figures say.

Firsthand card: "Whatsminer M63S", the machine's store photo beside its 18.5 J/TH efficiency, 370 TH/s, hydro-cooled

MicroBT Whatsminer M63s (370 TH/s)

A year and a day in

The Whatsminer M63S is a water-cooled MicroBT machine. MicroBT's shop page lists the M63S at 408 TH/s and 18 J/TH from 7,344 W, in a case 86 mm by 483 mm by 663 mm that weighs 27.5 kg net, with a one-year warranty period. The unit we list is the 370 TH/s bin at 6,845 W, which is 18.5 J/TH. Bought at the first price we hold for it, $4,584 in October 2025, and landed at $6,192 at our UAE site, it has now run 367 days.

In that time it has mined and kept 0.0620 BTC, worth $5,152 today, for $3,865 of electricity: about $62,300 a coin over its whole run, a lifetime average that includes the three days since the crossing. That is $1,287 of cashflow, or 21% of what it cost to land, a quarter of the way through a four-year life.

Chart: Coins kept since the first week we held a price for it, the electricity that made them, and the forward figure to the 2028 halving.

Never switched off, though June came within $1.10

At 18.5 J/TH a petahash uses 444 kWh a day, which is $26.64 at 6¢. Hashprice was $47.20 a petahash a day on 14 October 2025, when we first hold a price for the machine and bitcoin read $112,633. The low on the hashprice chart was $27.74 on 6 June 2026, $1.10 above the machine's line at 6¢.

Our engine switches a machine off when its trailing month at its current site would lose money, and it never did here. A machine that is switched off keeps every coin it has already mined, and this one did not need to stop. It had the margin, narrowly, in the worst month for hashprice in our record.

In the worst hashprice month on record, the M63S's power line at 6¢ was $1.10 below it.

Chart: Network hashprice per petahash per day since the machine was bought. The June low sat $1.10 above the M63S's line at 6¢. Open the chart

It crossed to Nigeria on 13 October 2026

After 364 days in the UAE it made the one move every machine we host makes: on 13 October 2026 it went to Nigeria, where power costs 3.9¢ instead of 6¢. Nigeria takes water-cooled machines as well as air ones, so the loop made the trip. Bitcoin read $81,752 on the day it moved, and the year of figures said cheap power had won. It has spent 3 days there since.

Nigeria's uptime is lower than the UAE's, 73.6% against 99.3% on our sites page, so it mines fewer coins a day. It also pays 35% less for the power. Today a coin costs this machine about $39,300 in Nigeria against $60,400 in the UAE, and its first-year return at today's price is about 38% against 27%. The guide to crossing once explains why it is made only once.

Chart: Profit over electricity, month by month, at the site the machine was actually at. The dashed line marks the move to Nigeria.

The year it spent next to the warranty centre

MicroBT's page lists a one-year warranty period for the M63S, and a machine bought on 14 October 2025 has just reached the end of it. In the UAE that year was spent a short distance from the manufacturer's warranty centre, which is why water-cooled machines start there: an in-warranty unit goes direct. A failed hashboard is a line item, not a catastrophe sets out what a fault costs once that period is over.

What is left in it

At today's difficulty, and with bitcoin back at its previous high of $124,493, it has another 0.072 BTC in it before the April 2028 halving, worth about $8,926. That would leave it at roughly 1.6× its landed cost covered by the halving, and still running.

The halving is where the crossing earns its keep. Network hashprice was $39.56 on 14 October, and halved at an unchanged price and difficulty it would be near $19.78. That is below this machine's $26.64 line at 6¢ and above its $17.32 line at 3.9¢, with break-even at about 4.5¢. At 18.5 J/TH it is a Nigeria machine from here on, which is where it is.

It is not the machine we would point a new buyer at for a 6¢ site today. But at $2,642 a unit, $7.14 a terahash, against $4,584 when we first held a price for it, it is a proven machine at a settled price. How efficiency decides how many halvings a machine survives shows where the line sits.

The machines that make a coin for less than this one does today.

Sources and further reading

Which machines this covers

Disclosure

Firsthand Bitcoin sells and hosts mining hardware, including this machine. No manufacturer, distributor or affiliate programme paid for or reviewed this page and we take no commission on the links above. Historical figures are computed from daily bitcoin price and network hashprice, each day valued at its own prices. Nothing here is investment advice.