The A4 Ultra Hydro is clearly aimed at a professional site.
BITDEER SEALMINER A4 ULTRA HYDRO
★★★★★☆☆☆☆☆18 reviewsSKU: SF-38FF52F1
Bitdeer’s SEAL04-powered hydro-cooled Bitcoin miner, rated at 886 TH/s and 9.45 J/TH.
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Description
High-density Bitcoin mining
The SEALMINER A4 Ultra Hydro uses Bitdeer’s SEAL04 chips to deliver a rated 886 TH/s at 9.45 J/TH. Its hydro-cooling design is intended for high-density mining environments where thermal management and efficient use of power matter.
Built around sustained operation
Bitdeer rates power consumption at 8,372.7W. The A4 architecture focuses on stable operation in larger installations; actual performance varies within the manufacturer’s stated tolerances. Plan the electrical supply and cooling infrastructure around the delivered unit.
Specification
Mining hardware
- Manufacturer
- Bitdeer
- Model
- SEALMINER A4 Ultra Hydro
- ASIC
- SEAL04
- Application
- SHA-256 / Bitcoin mining
Rated performance
- Hashrate
- 886 TH/s
- Power consumption
- 8372.7W
- Efficiency
- 9.45 J/TH
- Tolerance
- Hashrate and power ±10%; efficiency ±5%
Installation
- Cooling
- Hydro cooling
- Deployment
- High-density mining infrastructure
- Thermal design load
- Approximately 8.37kW at rated power
- Cooling circuit
- External liquid-cooling infrastructure
Reviews
Demo content: these reviews are illustrative and are not verified customer feedback.
18 reviews for BITDEER SEALMINER A4 ULTRA HYDRO
The SEAL04 design is an interesting addition to the rack.
Cooling capacity is the first thing I would budget for.




