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A9++ ZMaster (140 kSol/s)
Outdated · Innosilicon · Air-cooled · SHA-256
The A9++ ZMaster (140 kSol/s) is a air-cooled Equihash Zcash ASIC miner from Innosilicon released in May 2019. It runs at 140 kSol/s while drawing 1,550 W. It is more than five years old and no longer competitive; the figures below are kept for reference.
A9++ ZMaster profitability
As of Sep 19, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $80,934.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000000 BTC | $0.00 | $2.31 | -$2.31 |
| Weekly | 0.000000 BTC | $0.00 | $16.19 | -$16.19 |
| Monthly | 0.000000 BTC | $0.00 | $70.37 | -$70.37 |
| Yearly | 0.000000 BTC | $0.00 | $844.29 | -$844.29 |
Electricity per bitcoin mined: —.
Where to host the A9++ ZMaster
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | — | -$71 | — | — |
| Nigeria | Air-cooled | 3.9¢ | 73.6% | — | -$34 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | — | -$70 | — | — |
A9++ ZMaster specifications
| Specification | Value |
|---|---|
| Manufacturer | Innosilicon |
| Model | A9++ ZMaster |
| Release date | May 2019 |
| Algorithm | SHA-256 |
| Hashrate | — |
| Power consumption | 1550 W |
| Efficiency | null J/TH |
| Cooling | Air-cooled |
| Weight | 11 kg (approx.) |
A9++ ZMaster FAQ
Can I buy the A9++ ZMaster?
The A9++ ZMaster is outdated. Newer models make Zcash far more cheaply.
What is the hashrate and power consumption of the A9++ ZMaster?
The A9++ ZMaster produces 140 kSol/s of Equihash hashrate and consumes 1,550 W.
What are the dimensions and weight of the A9++ ZMaster?
The A9++ ZMaster measures about n/a and weighs around 11 kg.
Is the A9++ ZMaster air-cooled or hydro-cooled?
The A9++ ZMaster is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.
Where can the A9++ ZMaster be hosted?
We can host the A9++ ZMaster in UAE (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (3.9¢/kWh, 73.6% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The Zcash it mines goes straight to your own wallet.
When was the A9++ ZMaster released?
Innosilicon announced the A9++ ZMaster in May 2019.