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FIG · Equipment

GMO miner B2

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Is the B2 profitable?

The GMO miner B2 mines Bitcoin on the SHA-256 algorithm at 24 TH/s, drawing 1,950 W (81.3 J/TH). At $0.08 per kWh it earns about $0.90 a day but spends $3.74 on power, so it loses $2.84 a day. It only makes money if your power costs less than about $0.019 per kWh.

That puts it #415 of 522 on daily profit across every miner we track, and #223 of 262 SHA-256 miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in October 2018.

Profit at different electricity prices

Same machine, same day, different power bill. Find the row closest to what you pay.

Power pricePower / dayProfit / dayProfit / month
$0.03$1.40-$0.50-$15
$0.05$2.34-$1.44-$43
$0.06$2.81-$1.91-$57
$0.08$3.74-$2.84-$85
$0.10$4.68-$3.78-$113
$0.12$5.62-$4.71-$141
$0.15$7.02-$6.12-$184

Figures updated 16:26 UTC, 25 September 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.