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Bitmain Antminer S9i (14 TH/s)
Outdated · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S9i (14 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in May 2018. It runs at 14 TH/s while drawing 1,320 W, an efficiency of 94.29 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
Bitmain Antminer S9i profitability
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 | $0.34 | $1.10 | -$0.76 |
| Weekly | 0.000031 BTC | $2.40 | $7.71 | -$5.32 |
| Monthly | 0.000134 BTC | $10.41 | $33.51 | -$23.11 |
| Yearly | 0.001603 BTC | $124.88 | $402.12 | -$277.24 |
Electricity per bitcoin mined: $250,844.
Bitmain Antminer S9i price history
From $1,071 in May 2018 to $66 in Nov 2022 (-94%).
| Month | Price per unit | Price per TH |
|---|---|---|
| May 2018 | $878 | $62.69 |
| Jun 2018 | $486 | $34.73 |
| Jul 2018 | $392 | $28.02 |
| Aug 2018 | $518 | $36.97 |
| Sep 2018 | $233 | $16.64 |
| Oct 2018 | $229 | $16.38 |
| Nov 2018 | $227 | $16.21 |
| Dec 2018 | $287 | $20.47 |
| Jan 2019 | $291 | $20.80 |
| Feb 2019 | $376 | $26.84 |
| Mar 2019 | $416 | $29.68 |
| Apr 2019 | $455 | $32.48 |
| May 2019 | $449 | $32.04 |
| Jun 2019 | $403 | $28.80 |
| Jul 2019 | $313 | $22.37 |
| Aug 2019 | $268 | $19.17 |
| Sep 2019 | $144 | $10.29 |
| Oct 2019 | $174 | $12.44 |
| Nov 2019 | $119 | $8.47 |
| Dec 2019 | $120 | $8.58 |
| Jan 2020 | $72 | $5.17 |
| Feb 2020 | $66 | $4.72 |
| Mar 2020 | $72 | $5.11 |
| Apr 2020 | $67 | $4.75 |
| May 2020 | $84 | $5.97 |
| Jun 2020 | $58 | $4.11 |
| Jul 2020 | $60 | $4.30 |
| Aug 2020 | $59 | $4.20 |
| Sep 2020 | $90 | $6.45 |
| Oct 2020 | $171 | $12.22 |
| Nov 2020 | $219 | $15.66 |
| Dec 2020 | $322 | $23.01 |
| Jan 2021 | $566 | $40.41 |
| Feb 2021 | $683 | $48.82 |
| Mar 2021 | $687 | $49.08 |
| Apr 2021 | $448 | $32.02 |
| May 2021 | $300 | $21.42 |
| Jun 2021 | $380 | $27.13 |
| Jul 2021 | $420 | $29.97 |
| Aug 2021 | $393 | $28.10 |
| Sep 2021 | $502 | $35.85 |
| Oct 2021 | $371 | $26.53 |
| Nov 2021 | $371 | $26.53 |
| Dec 2021 | $326 | $23.31 |
| Jan 2022 | $323 | $23.10 |
| Feb 2022 | $308 | $22.03 |
| Mar 2022 | $268 | $19.13 |
| Apr 2022 | $251 | $17.96 |
| May 2022 | $154 | $11.02 |
| Jun 2022 | $155 | $11.08 |
| Jul 2022 | $146 | $10.41 |
| Aug 2022 | $133 | $9.51 |
| Sep 2022 | $126 | $9.00 |
| Oct 2022 | $67 | $4.79 |
| Nov 2022 | $66 | $4.74 |
Where to host the Bitmain Antminer S9i
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.5¢ | 99.3% | $362,330 | -$51 | — | — |
| Nigeria | Air-cooled | 4.5¢ | 73.6% | $250,844 | -$23 | — | — |
| Argentina | Air-cooled | 6.5¢ | 98.7% | $362,330 | -$51 | — | — |
Bitmain Antminer S9i specifications
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S9i |
| Release date | May 2018 |
| Algorithm | SHA-256 |
| Hashrate | 14 TH/s |
| Power consumption | 1320 W |
| Efficiency | 94.29 J/TH |
| Cooling | Air-cooled |
| Weight | 4.2 kg (approx.) |
Bitmain Antminer S9i FAQ
Can I buy the Bitmain Antminer S9i?
The Bitmain Antminer S9i is outdated. Newer models make bitcoin far more cheaply.
Is the Bitmain Antminer S9i (14 TH/s) profitable?
As of Nov 2, 2026, hosted in Nigeria at 4.5¢/kWh, the Bitmain Antminer S9i (14 TH/s) is calculated to lose $0.76 daily, $23.11 monthly and $277.24 yearly after electricity, at a bitcoin price of $77,903. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the Bitmain Antminer S9i?
Electricity to mine one bitcoin with the Bitmain Antminer S9i costs about $250,844 in Nigeria, and $362,330 in UAE and $362,330 in Argentina. Bitcoin trades at $77,903, so every coin it mines is made above the price of buying one.
What is the hashrate and power consumption of the Bitmain Antminer S9i?
The Bitmain Antminer S9i produces 14 TH/s of SHA-256 hashrate and consumes 1,320 W, giving an efficiency of 94.29 J/TH.
What are the dimensions and weight of the Bitmain Antminer S9i?
The Bitmain Antminer S9i measures about n/a and weighs around 4.2 kg.
Is the Bitmain Antminer S9i air-cooled or hydro-cooled?
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.
Where can the Bitmain Antminer S9i be hosted?
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.
How has the price of the Bitmain Antminer S9i changed?
The Bitmain Antminer S9i sold for $1,071 in May 2018 and $66 as of Nov 2022, down 94%. Over that time it ranged from $51 to $1,071.
When was the Bitmain Antminer S9i released?
Bitmain announced the Bitmain Antminer S9i in May 2018.