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Bitmain Antminer S11 (20.5 TH/s)
Outdated · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S11 (20.5 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Nov 2018. It hashes at 20.5 TH/s while drawing 1,530 W, an efficiency of 74.63 J/TH. It is more than five years old and no longer competitive; the figures below are kept for reference.
Bitmain Antminer S11 profitability
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 | 0.000010 BTC | $0.78 | $2.28 | -$1.51 |
| Weekly | 0.000070 BTC | $5.44 | $15.98 | -$10.55 |
| Monthly | 0.000305 BTC | $23.63 | $69.46 | -$45.83 |
| Yearly | 0.003665 BTC | $283.48 | $833.40 | -$549.92 |
Electricity per bitcoin mined: $227,421.
Where to host the Bitmain Antminer S11
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $227,421 | -$46 | — | — |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $151,614 | -$17 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $227,421 | -$46 | — | — |
Bitmain Antminer S11 specifications
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S11 |
| Release date | Nov 2018 |
| Algorithm | SHA-256 |
| Hashrate | 20.5 TH/s |
| Power consumption | 1530 W |
| Efficiency | 74.63 J/TH |
| Cooling | Air-cooled |
Bitmain Antminer S11 FAQ
Can I buy the Bitmain Antminer S11?
The Bitmain Antminer S11 is outdated. Newer models make bitcoin far more cheaply.
Is the Bitmain Antminer S11 (20.5 TH/s) profitable?
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S11 (20.5 TH/s) is calculated to lose $1.51 daily, $45.83 monthly and $549.92 yearly after electricity, at a bitcoin price of $77,356. It always changes with bitcoin's price and network difficulty.
What does it cost to mine one bitcoin with the Bitmain Antminer S11?
Electricity to mine one bitcoin with the Bitmain Antminer S11 costs about $227,421 in Argentina, and $227,421 in UAE and $151,614 in Nigeria. Bitcoin trades at $77,356, so every coin it mines is made above the price of buying one.
What is the hashrate and power consumption of the Bitmain Antminer S11?
The Bitmain Antminer S11 produces 20.5 TH/s of SHA-256 hashrate and consumes 1,530 W, giving an efficiency of 74.63 J/TH.
Is the Bitmain Antminer S11 air-cooled or hydro-cooled?
The Bitmain Antminer S11 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 S11 be hosted?
We can host the Bitmain Antminer S11 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.
When was the Bitmain Antminer S11 released?
Bitmain announced the Bitmain Antminer S11 in Nov 2018.