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Outdated · Bitmain · Air-cooled · SHA-256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 runs 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.
More on this machine: Bitmain Antminer S9i price history · Bitmain Antminer S9i profitability history
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh with 73.6% uptime. Bitcoin $77,903.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000004 BTC | $0.32 | $1.07 | -$0.75 |
| Weekly | 0.000029 BTC | $2.22 | $7.48 | -$5.25 |
| Monthly | 0.000124 BTC | $9.66 | $32.50 | -$22.83 |
| Yearly | 0.001489 BTC | $115.96 | $389.94 | -$273.97 |
Electricity per bitcoin mined: $261,954.
From $995 in May 2018 to $62 in Nov 2022 (-94%).
| Month | Price per unit | Price per TH |
|---|---|---|
| May 2018 | $815 | $62.69 |
| Jun 2018 | $451 | $34.73 |
| Jul 2018 | $364 | $28.02 |
| Aug 2018 | $481 | $36.97 |
| Sep 2018 | $216 | $16.64 |
| Oct 2018 | $213 | $16.38 |
| Nov 2018 | $211 | $16.21 |
| Dec 2018 | $266 | $20.47 |
| Jan 2019 | $270 | $20.80 |
| Feb 2019 | $349 | $26.84 |
| Mar 2019 | $386 | $29.68 |
| Apr 2019 | $422 | $32.48 |
| May 2019 | $417 | $32.04 |
| Jun 2019 | $374 | $28.80 |
| Jul 2019 | $291 | $22.37 |
| Aug 2019 | $249 | $19.17 |
| Sep 2019 | $134 | $10.29 |
| Oct 2019 | $162 | $12.44 |
| Nov 2019 | $110 | $8.47 |
| Dec 2019 | $112 | $8.58 |
| Jan 2020 | $67 | $5.17 |
| Feb 2020 | $61 | $4.72 |
| Mar 2020 | $66 | $5.11 |
| Apr 2020 | $62 | $4.75 |
| May 2020 | $78 | $5.97 |
| Jun 2020 | $53 | $4.11 |
| Jul 2020 | $56 | $4.30 |
| Aug 2020 | $55 | $4.20 |
| Sep 2020 | $84 | $6.45 |
| Oct 2020 | $159 | $12.22 |
| Nov 2020 | $204 | $15.66 |
| Dec 2020 | $299 | $23.01 |
| Jan 2021 | $525 | $40.41 |
| Feb 2021 | $635 | $48.82 |
| Mar 2021 | $638 | $49.08 |
| Apr 2021 | $416 | $32.02 |
| May 2021 | $278 | $21.42 |
| Jun 2021 | $353 | $27.13 |
| Jul 2021 | $390 | $29.97 |
| Aug 2021 | $365 | $28.10 |
| Sep 2021 | $466 | $35.85 |
| Oct 2021 | $345 | $26.53 |
| Nov 2021 | $345 | $26.53 |
| Dec 2021 | $303 | $23.31 |
| Jan 2022 | $300 | $23.10 |
| Feb 2022 | $286 | $22.03 |
| Mar 2022 | $249 | $19.13 |
| Apr 2022 | $233 | $17.96 |
| May 2022 | $143 | $11.02 |
| Jun 2022 | $144 | $11.08 |
| Jul 2022 | $135 | $10.41 |
| Aug 2022 | $124 | $9.51 |
| Sep 2022 | $117 | $9.00 |
| Oct 2022 | $62 | $4.79 |
| Nov 2022 | $62 | $4.74 |
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $378,378 | -$50 | — | — |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $261,954 | -$23 | — | — |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $378,378 | -$50 | — | — |
| 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 |
| Weight | 4.2 kg (approx.) |
The Bitmain Antminer S9i is outdated. Newer models make bitcoin far more cheaply.
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh, the Bitmain Antminer S9i (13 TH/s) is calculated to lose $0.75 daily, $22.83 monthly and $273.97 yearly after electricity, at a bitcoin price of $77,903. It always changes with bitcoin's price and network difficulty.
Electricity to mine one bitcoin with the Bitmain Antminer S9i costs about $261,954 in Nigeria, and $378,378 in UAE and $378,378 in Argentina. Bitcoin trades at $77,903, 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 measures about n/a and weighs around 4.2 kg.
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 (6.5¢/kWh, 99.3% uptime, immersion), Nigeria (4.5¢/kWh, 73.6% uptime) and Argentina (6.5¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
The Bitmain Antminer S9i sold for $995 in May 2018 and $62 as of Nov 2022, down 94%. Over that time it ranged from $47 to $995.
Bitmain announced the Bitmain Antminer S9i in May 2018.