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Innosilicon A9++ ZMaster (140 kSol/s)
Outdated · Innosilicon · Air-cooled · Equihash
The Innosilicon 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, an efficiency of 11 J/kSol. It is more than five years old and no longer competitive; the figures below are kept for reference.
A9++ ZMaster profitability
As of Nov 5, 2026, hosted in Nigeria at 4.5¢/kWh with 73.6% uptime. Zcash $1,274.
| Period | Zcash mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.005194 ZEC | $6.62 | $1.29 | $5.32 |
| Weekly | 0.036355 ZEC | $46.31 | $9.06 | $37.25 |
| Monthly | 0.157988 ZEC | $201.23 | $39.35 | $161.88 |
| Yearly | 1.90 ZEC | $2,414.51 | $472.19 | $1,942.32 |
Electricity per Zcash mined: $249. Mining output depends on Zcash's price, network difficulty and uptime, and is not guaranteed. Nothing here is investment advice.
Where to host the A9++ ZMaster
| Site | Cooling | Rate | Uptime | Cost / ZEC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $360 | $195 | — | — |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $249 | $162 | — | — |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $360 | $194 | — | — |
A9++ ZMaster specifications
| Specification | Value |
|---|---|
| Manufacturer | Innosilicon |
| Model | A9++ ZMaster |
| Release date | May 2019 |
| Algorithm | Equihash |
| Hashrate | 140 kSol/s |
| Power consumption | 1550 W |
| Efficiency | 11 J/kSol |
| 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The A9++ ZMaster is outdated.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, giving an efficiency of 11 J/kSol.
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 (6.5¢/kWh, 99.3% uptime, immersion), Nigeria (4.5¢/kWh, 73.6% uptime) and Argentina (6.5¢/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.