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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Outdated · Bitmain · Air-cooled · SHA-256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 profitability history
Bitmain Antminer S9i profitability
As of Sep 21, 2026, hosted in Argentina at 6.0¢/kWh with 98.7% uptime. Bitcoin $87,031.
| Period | Bitcoin mined | Revenue | Electricity | Profit |
|---|---|---|---|---|
| Daily | 0.000007 BTC | $0.58 | $1.97 | -$1.39 |
| Weekly | 0.000046 BTC | $4.03 | $13.79 | -$9.76 |
| Monthly | 0.000201 BTC | $17.52 | $59.92 | -$42.40 |
| Yearly | 0.002416 BTC | $210.24 | $719.01 | -$508.77 |
Electricity per bitcoin mined: $297,645.
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 | 6.0¢ | 99.3% | $297,645 | -$43 | — | — |
| Nigeria | Air-cooled | 3.9¢ | 73.6% | $193,469 | -$16 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $297,645 | -$42 | — | — |
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The Bitmain Antminer S9i is outdated.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 Sep 21, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S9i (14 TH/s) is calculated to lose $1.39 daily, $42.40 monthly and $508.77 yearly after electricity, at a bitcoin price of $87,031. 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 $297,645 in Argentina, and $297,645 in UAE and $193,469 in Nigeria. Bitcoin trades at $87,031, 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 (6.0¢/kWh, 99.3% uptime, immersion), Nigeria (3.9¢/kWh, 73.6% uptime) and Argentina (6.0¢/kWh, 98.7% uptime). The bitcoin it mines goes straight to your own wallet.
When was the Bitmain Antminer S9i released?
Bitmain announced the Bitmain Antminer S9i in May 2018.
Alternatives to the Bitmain Antminer S9i
- Canaan Avalon A15 (203 TH/s)
- Canaan Avalon A15XP (209 TH/s)
- Bitmain Antminer S21 (151 TH/s)
- Canaan Avalon A15 Pro (221 TH/s)
- Bitmain Antminer S21+ (235 TH/s)
- Bitmain Antminer S21+ (225 TH/s)
Also sold as Bitmain Antminer S9i (13 TH/s).