Bitmain Antminer Z9 Equihash official reference
Official Antminer Z9 reference: 40.8 KSol/s and 1,150 W, with non-OEM calculated efficiency withheld and the official fan-source conflict disclosed.
Quick answer
The Bitmain Antminer Z9 Equihash official reference is a Equihash miner rated about 40.8 KSol/s at roughly 1,150 W.
Full Specifications
| Model | Bitmain Antminer Z9 Equihash official reference |
|---|---|
| Model Number | Antminer Z9 |
| Manufacturer | Bitmain |
| Algorithm | Equihash |
| Hashrate | 40.8 KSol/s |
| Power Consumption | 1,150 W |
| Cooling | Air |
| Voltage Range | 11.6-13.0 V DC miner input; external APW3/APW5/APW7; facility mains unresolved |
| Weight | 5.5 kg net |
| Status | OEM EOS reference |
Evidence-controlled Z9 reference: Antminer Z9 is an Equihash miner associated with ZEC in Bitmain’s algorithm map. Its native unit is KSol/s.
| Hashrate | Power | OEM efficiency |
|---|---|---|
| 40.8 KSol/s | 1,150 W ±10% | Not published |
Direct arithmetic is approximately 28.19 J/KSol. That is explanatory, not an OEM efficiency claim. Normalized efficiency is withheld from metadata and structured data.
Electrical and installation boundary
The miner requires 11.6–13.0 V DC through seven PCIe connectors. Bitmain’s roster supports APW3, APW5, and APW7. This is device-side DC, not facility mains. A qualified person must verify the exact PSU label and facility circuit.
| Operating frequency | 500M, as printed |
|---|---|
| Hashboards / chips | 3 / 48 total |
| Operating temperature / humidity | 15–35°C / no more than 65% RH |
| Sound / PCB maximum | 76 dB / 80°C |
| Weight | 5.50 kg |
| Packaged dimensions | 226 × 132 × 279 mm |
Official fan conflict: the exact specification says two fans at 12 V / 2.4 A, front 6,000 RPM and rear 4,500 RPM. Bitmain’s fan roster says two 12038 fans, front/rear 6,000 RPM, 12 V / 2.4 A, 209.8 CFM. Both lanes are retained; one normalized rear speed is withheld. Miner dimensions and packed weight are not published and remain unresolved.
Firmware, diagnostics, and repair
- Select Z9 and the exact revision in Bitmain’s firmware selector.
- Use Bitmain’s exact Z9 support hub.
- Use Bitmain’s diagnostic guide.
- Organize symptoms and logs.
- Request repair diagnosis with exact miner/PSU labels and logs.
- Open the family hub.
No architecture, tuning, economics, home, heat-use, compatibility, or interchangeability claim is asserted. Sources: exact specification, PSU roster, and fan table. Reviewed August 28, 2026.