Description
The Bitmain APW12 is the high-output power supply designed for the Antminer S19 generation of miners. Delivering 12V–15V DC output at over 3000W, the APW12 features EMC compliance for cleaner power delivery and reduced electromagnetic interference — critical when running multiple units in close proximity. This is the correct PSU for S19, S19 Pro, S19J, S19J Pro, and T19 miners.
| Specification | Details |
|---|---|
| Input Voltage | 200–240V AC (50/60Hz) |
| Output Voltage | 12V–15V DC (adjustable) |
| Max Power Output | 3000W+ |
| EMC Compliance | Yes — reduced electromagnetic interference |
| Cooling | Dual integrated fans with automatic speed control |
| Compatible Miners | Antminer S19, S19 Pro, S19J, S19J Pro, T19 |
Key Features
- 3000W+ output handles the full power demand of S19-generation hashboards
- EMC-compliant design minimizes electromagnetic interference
- 12V–15V adjustable output supports voltage tuning for efficiency optimisation
- Genuine Bitmain PSU — direct drop-in replacement for S19-series miners
- Dual-fan cooling keeps the PSU stable under sustained load
Compatibility
Compatible with Antminer S19, S19 Pro, T19, S19J, and S19J Pro. Uses the standard Bitmain 6+6 pin power connector layout. Requires a dedicated 240V circuit with at least a 20A breaker.
What is the difference between the APW12 and APW3?
The APW12 delivers significantly more power (3000W+ vs ~1600W) and includes EMC compliance. The APW3 was designed for older models like the S9. The S19 generation requires the APW12 — an APW3 cannot power it.
Can I use one APW12 for two miners?
No. Each S19-series miner draws 3000W+ at full load, which requires a dedicated APW12. Sharing a PSU between two miners will result in insufficient power and potential hardware damage.
Does the APW12 work with S21 miners?
The S21 generation typically requires the APW15 or newer PSU due to higher power demands. Check the specific power requirements for your S21 model before purchasing.






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