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Bitmain Antminer S15 (28 TH/s)
Outdated · Bitmain · Air-cooled · SHA-256
The Bitmain Antminer S15 (28 TH/s) is a air-cooled SHA-256 bitcoin ASIC miner from Bitmain released in Dec 2018. It hashes at 28 TH/s while drawing 1,596 W, an efficiency of 57 J/TH. It is more than five years old and no longer competitive; the figures below are kept for reference.
Bitmain Antminer S15 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 | 0.000014 BTC | $1.06 | $2.38 | -$1.32 |
| Weekly | 0.000096 BTC | $7.43 | $16.67 | -$9.25 |
| Monthly | 0.000417 BTC | $32.27 | $72.45 | -$40.18 |
| Yearly | 0.005005 BTC | $387.19 | $869.35 | -$482.16 |
Electricity per bitcoin mined: $173,687.
Where to host the Bitmain Antminer S15
| Site | Cooling | Rate | Uptime | Cost per BTC | Profit per month | All-in per unit | Year 1 return |
|---|---|---|---|---|---|---|---|
| UAE | Immersion | 6.0¢ | 99.3% | $173,687 | -$40 | — | — |
| Nigeria | Air-cooled | 4.0¢ | 74.7% | $115,791 | -$12 | — | — |
| Argentina | Air-cooled | 6.0¢ | 98.7% | $173,687 | -$40 | — | — |
Bitmain Antminer S15 specifications
| Specification | Value |
|---|---|
| Manufacturer | Bitmain |
| Model | Bitmain Antminer S15 |
| Release date | Dec 2018 |
| Algorithm | SHA-256 |
| Hashrate | 28 TH/s |
| Power consumption | 1596 W |
| Efficiency | 57 J/TH |
| Cooling | Air-cooled |
Bitmain Antminer S15 FAQ
Can I buy the Bitmain Antminer S15?
The Bitmain Antminer S15 is outdated. Newer models make bitcoin far more cheaply.
Is the Bitmain Antminer S15 (28 TH/s) profitable?
As of Sep 17, 2026, hosted in Argentina at 6.0¢/kWh, the Bitmain Antminer S15 (28 TH/s) is calculated to lose $1.32 daily, $40.18 monthly and $482.16 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 S15?
Electricity to mine one bitcoin with the Bitmain Antminer S15 costs about $173,687 in Argentina, and $173,687 in UAE and $115,791 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 S15?
The Bitmain Antminer S15 produces 28 TH/s of SHA-256 hashrate and consumes 1,596 W, giving an efficiency of 57 J/TH.
Is the Bitmain Antminer S15 air-cooled or hydro-cooled?
The Bitmain Antminer S15 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 S15 be hosted?
We can host the Bitmain Antminer S15 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 S15 released?
Bitmain announced the Bitmain Antminer S15 in Dec 2018.