Product details
Next-Generation Hydro-Cooled Bitcoin ASIC Miner
886 TH/s | 9.45 J/TH | Ultra-Efficient SHA-256 Mining
The Bitdeer SealMiner A4 Ultra Hydro is a flagship hydro-cooled Bitcoin miner engineered to redefine mining efficiency and large-scale mining performance. Powered by Bitdeer’s latest SEAL04 chip technology, the A4 Ultra Hydro delivers an incredible 886 TH/s hashrate while achieving industry-leading efficiency of just 9.45 J/TH, making it one of the most efficient Bitcoin ASIC miners ever developed.
Built for professional mining farms, hosting facilities, and enterprise data centers, the A4 Ultra Hydro combines extreme computational power, advanced liquid cooling, and a compact rack-mount design to maximize profitability while minimizing operational costs.
Key Features
⚡ Massive 886 TH/s Bitcoin Mining Performance
Delivers up to 886 TH/s of SHA-256 hashing power for industrial-scale Bitcoin mining operations.
💧 Industry-Leading Hydro Cooling
Advanced liquid cooling technology ensures superior heat dissipation, lower operating temperatures, and enhanced hardware longevity.
🔋 Exceptional Energy Efficiency
With a remarkable 9.45 J/TH efficiency rating, the A4 Ultra Hydro helps reduce electricity costs and improve long-term mining profitability.
🏭 Compact 2U Rack-Mount Design
Designed for seamless integration into professional server racks and high-density mining environments.
🔇 Near-Silent Hydro Operation
Hydro cooling significantly reduces operational noise compared to traditional air-cooled miners, making it ideal for large-scale deployments.
🌐 Enterprise Ethernet Connectivity
Reliable Ethernet networking ensures stable communication and continuous mining performance.
Technical Specifications
| Specification | Details |
|---|---|
| Manufacturer | Bitdeer |
| Model | SealMiner A4 Ultra Hydro |
| Algorithm | SHA-256 |
| Supported Coins | Bitcoin (BTC), Bitcoin Cash (BCH), BSV |
| Hashrate | 886 TH/s |
| Power Consumption | 8,372W |
| Energy Efficiency | 9.45 J/TH |
| Cooling | Hydro Cooling |
| Form Factor | 2U Rackmount |
| Dimensions | 482 × 665 × 86 mm |
| Weight | 20.5 kg |
| Voltage | 380–480V |
| Interface | Ethernet |
| Operating Temperature | 20°C – 55°C |
| Humidity | 10% – 90% RH |
Supported Cryptocurrencies
The SealMiner A4 Ultra Hydro supports all SHA-256 algorithm cryptocurrencies, including:
- Bitcoin (BTC)
- Bitcoin Cash (BCH)
- Bitcoin SV (BSV)
- Other SHA-256-based coins
Why Choose the SealMiner A4 Ultra Hydro?
Industry-Leading Efficiency
The A4 Ultra Hydro breaks the 10 J/TH barrier with an efficiency rating of just 9.45 J/TH, setting a new benchmark for Bitcoin mining hardware.
Built for Enterprise Mining
Designed specifically for industrial-scale mining operations requiring maximum uptime and performance.
Lower Operating Costs
Improved efficiency translates directly into reduced electricity expenses and stronger long-term profitability.
Advanced Thermal Stability
Hydro cooling helps maintain optimal operating conditions even in high-density mining environments.
Future-Ready Infrastructure
Powered by Bitdeer’s latest-generation SEAL04 ASIC technology, built to remain competitive as mining difficulty increases.
Ideal For
The SealMiner A4 Ultra Hydro is ideal for:
- Industrial Bitcoin Mining Farms
- Enterprise Mining Facilities
- Data Center Deployments
- Mining Hosting Providers
- Large-Scale SHA-256 Operations
Package Includes
- 1× Bitdeer SealMiner A4 Ultra Hydro
- Integrated Hydro Cooling Components
- Ethernet Connectivity
- User Documentation
External liquid cooling infrastructure required.
Warranty & Support
- Manufacturer warranty coverage applies
- Professional after-sales support available
- Hardware tested before shipment
Redefining Bitcoin Mining Efficiency
The Bitdeer SealMiner A4 Ultra Hydro delivers exceptional performance, revolutionary efficiency, and enterprise-grade hydro cooling — making it one of the most advanced Bitcoin mining solutions available for professional miners focused on maximizing long-term returns.








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