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Bitmain Antminer Z15

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Is the Antminer Z15 profitable?

The Bitmain Antminer Z15 mines Zcash on the Equihash algorithm at 420 KH/s, drawing 1,510 W (3.6 J/KH). At $0.08 per kWh it earns about $31.76 a day, spends $2.90 of that on power, and keeps $28.86. That’s around $866 a month. It stops making money above roughly $0.876 per kWh.

That puts it #4 of 522 on daily profit across every miner we track, and #2 of 9 Equihash miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in June 2020.

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$1.09$30.67$920
$0.05$1.81$29.94$898
$0.06$2.17$29.58$887
$0.08$2.90$28.86$866
$0.10$3.62$28.13$844
$0.12$4.35$27.41$822
$0.15$5.44$26.32$790

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