Antminer S9i
Improved S9 variant with slightly better efficiency. Same form factor as S9. Common in space heater builds.
Profitability Calculator
| Period | Revenue | Electricity Cost | Profit |
|---|---|---|---|
| Daily | $0.44 | $2.22 | $-1.78 |
| Weekly | $3.05 | $15.52 | $-12.48 |
| Monthly | $13.05 | $66.53 | $-53.48 |
| Yearly | $158.78 | $809.42 | $-650.64 |
Heating offset estimates the value of heat replacing an electric space heater during heating season (~6 months/year in Canada). Actual savings depend on your heating setup and climate.
We Repair This Miner
D-Central has repaired 2,500+ miners since 2016. Hashboard repair, control board diagnostics, fan replacement, and full refurbishment.
Get a Repair QuoteWhere to Buy the Antminer S9i
D-Central Technologies
CanadaBitcoin Mining Hackers since 2016. Ships from Laval, Quebec.
View ProductASIC Miner Market
United StatesWide selection of new and used ASIC miners. US-based shipping.
Shop NowFull Specifications
| Model | Antminer S9i |
| Model Number | S9i |
| Manufacturer | Bitmain |
| Algorithm | SHA-256 |
| Coins Mined | Bitcoin (BTC) |
| Hashrate | 14 TH/s |
| Power Consumption | 1,320 W |
| Efficiency | 94.29 J/TH |
| Noise Level | 76 dB |
| Chip Model | BM1387 |
| Chip Count | 189 |
| Cooling | Air |
| Voltage Range | 100-240V AC |
| Operating Temperature | 0-40°C |
| Dimensions | 350x135x158 |
| Weight | 4.2 |
| Interface | Ethernet |
| BTU Output | 4503.8 BTU/hr |
| Equivalent Heater | Half a standard space heater (4,504 BTU/hr) |
| Daily Power Cost | $2.22/day |
| Monthly Power Cost | $66.53/mo |
| Circuit Requirement | Standard 120V 15A |
| Release Date | 2018-05-01 |
| Status | Discontinued |
Home Mining Assessment
Improved S9 variant with slightly better efficiency. Same form factor as S9. Common in space heater builds.
Frequently Asked Questions
Is the Antminer S9i profitable?
At $0.07/kWh, the Antminer S9i currently operates at a daily loss of $1.78. However, profitability can improve with lower electricity rates or rising BTC prices. If used as a space heater, the heating offset may make it economically viable.
Can I mine Bitcoin at home with the Antminer S9i?
The Antminer S9i has a home mining score of 46/100. With 76 dB noise and 1,320W power draw, it may require a dedicated space like a garage, basement, or outdoor enclosure. Consider noise insulation and proper ventilation.
Can the Antminer S9i heat my home?
The Antminer S9i outputs approximately 4503.8 BTU/hr of heat. For reference, a typical space heater produces 5,000-5,500 BTU/hr. All electrical energy consumed by the miner is converted to heat, making it 100% efficient as a heater. D-Central offers Bitcoin Space Heater builds designed specifically for home heating integration.
Does D-Central repair the Antminer S9i?
Yes, D-Central provides professional repair services for the Antminer S9i. Our technicians have repaired 2,500+ miners since 2016. Services include hashboard repair, control board diagnostics, fan replacement, and full refurbishment. Ship your miner to our Laval, Quebec facility for diagnosis and repair.
What power supply does the Antminer S9i need?
The Antminer S9i draws 1,320W of power. You need a power supply rated for at least 1,452W with appropriate voltage (100-240V AC). D-Central stocks compatible power supplies in our shop. Always use a quality PSU from a reputable manufacturer to protect your investment.