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Outdated · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S9i (13 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in May 2018. It hashes at 13 TH/s while drawing 1,280 W, an efficiency of 98.46 J/TH. It is more than five years old and no longer competitive; the figures below are kept for reference.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $77,356.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000006 BTC | $0.49 | $1.91 | -$1.42 |
| Weekly | 0.000045 BTC | $3.45 | $13.37 | -$9.92 |
| Monthly | 0.000194 BTC | $14.98 | $58.11 | -$43.13 |
| Yearly | 0.002324 BTC | $179.77 | $697.22 | -$517.46 |
Electricity per bitcoin mined: $300,026.
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $300,026 | -$43 | — | — |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $200,018 | -$18 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $300,026 | -$43 | — | — |
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S9i |
| Release date | May 2018 |
| Algorithm | SHA-256 |
| Hashrate | 13 TH/s |
| Power consumption | 1280 W |
| Efficiency | 98.46 J/TH |
| Cooling | Air-cooled |
The Bitmain Antminer S9i is outdated. Newer models make bitcoin far more cheaply.
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S9i (13 TH/s) is calculated to lose $1.42 daily, $43.13 monthly and $517.46 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the Bitmain Antminer S9i costs about $300,026 in Argentina, and $300,026 in UAE and $200,018 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made above the price of buying one.
The Bitmain Antminer S9i produces 13 TH/s of SHA-256 hashrate and consumes 1,280 W, giving an efficiency of 98.46 J/TH.
The Bitmain Antminer S9i is air-cooled with fans. In the UAE we run air-cooled machines in immersion tanks instead, which keeps them cool in desert heat.
We can host the Bitmain Antminer S9i in UAE (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (4.0¢/kWh, 74.7% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
Bitmain announced the Bitmain Antminer S9i in May 2018.