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Bitmain Antminer Z9

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Is the Antminer Z9 profitable?

The Bitmain Antminer Z9 mines Zcash on the Equihash algorithm at 42 KH/s, drawing 970 W (23.1 J/KH). At $0.08 per kWh it earns about $3.18 a day, spends $1.86 of that on power, and keeps $1.31. That’s around $39 a month. It stops making money above roughly $0.136 per kWh.

That puts it #109 of 522 on daily profit across every miner we track, and #8 of 9 Equihash miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in September 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$0.70$2.48$74
$0.05$1.16$2.01$60
$0.06$1.40$1.78$53
$0.08$1.86$1.31$39
$0.10$2.33$0.85$25
$0.12$2.79$0.38$11
$0.15$3.49-$0.32-$9

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