Bitmain Antminer A3
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BitmainBlake2bSCC
Antminer A3 (815Gh)
815 GH/s1,275 WAir-cooled
Profit / day
—
No live earnings data
Efficiency
1564.42J/TH
Availability
Not stockedWe don’t carry this model. Ask and we’ll try to source one.—
Profitability · Blake2b · SCC
Is the Antminer A3 profitable?
The Bitmain Antminer A3 (815Gh) mines Siacoin and ScPrime on the Blake2b algorithm at 815 GH/s, drawing 1,275 W (1.6 J/GH). We don’t have a live price for its coin right now, so there’s no profit figure for it today.
It’s #26 of 26 Blake2b miners on efficiency. It isn’t in stock with us at the moment. It’s an air-cooled unit, released in January 2018.
Antminer A3 specifications
How it compares · Blake2b miners
| Miner | Rank | Efficiency | Profit / day |
|---|---|---|---|
| iBeLink BM-S3+ | #1 | 136 J/TH | $15.35 |
| iBeLink BM-S3 | #2 | 163 J/TH | $10.68 |
| Goldshell SC6-SE | #3 | 194 J/TH | $8.54 |
| Goldshell SC5 Pro II | #4 | 236 J/TH | $5.92 |
| Obelisk SC1 Slim | #19 | 818 J/TH | -$0.38 |
| Obelisk SC1 | #20 | 909 J/TH | -$0.48 |
| Obelisk SC1 Dual | #21 | 818 J/TH | -$0.77 |
| Bitmain Antminer A3 (815Gh)This miner | – | 1.6 J/GH | – |
More from Bitmain
| Miner | Profit / day |
|---|---|
| Bitmain Antminer Z15 Pro (860K)Equihash | $125.48 |
| Bitmain Antminer Z15 Pro (840K)Equihash | $122.43 |
| Bitmain Antminer Z15K (565kh)Equihash | $81.17 |
| Bitmain Antminer Z15KEquihash | $75.09 |
| Bitmain Antminer Z15Equihash | $60.99 |
Figures updated 00:01 UTC, 10 November 2026, using today’s network difficulty and coin prices. Estimates, not financial advice.