Bitdeer SealMiner A3 Hydro (500 TH/s) — High-Efficiency Hydro-Cooled Bitcoin Miner
Overview
The Bitdeer SealMiner A3 Hydro is a cutting-edge SHA-256 ASIC miner built to deliver exceptional hashrate performance and energy efficiency for Bitcoin and compatible cryptocurrencies.
With a hashrate of 500 TH/s and an efficiency rating of just 16 J/TH, this hydro-cooled mining unit is designed for industrial-scale operations, offering powerful performance, superior cooling, and reduced noise compared to traditional air-cooled miners.
Engineered by Bitdeer, a leader in blockchain infrastructure and high-performance computing, the SealMiner A3 Hydro combines premium build quality, smart liquid-cooling technology, and outstanding reliability to support 24/7 professional mining.
Key Features
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⚡ Hashrate: 500 TH/s (±10%)
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🔋 Power Consumption: 8,000 W (±5%)
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💧 Cooling System: Hydro (liquid-cooled for efficient heat management)
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💰 Efficiency: 16 J/TH — optimized for energy savings
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🌐 Network: Ethernet connection for stable performance
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🧊 Noise Level: Significantly quieter than air-cooled miners
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⚙️ Algorithm: SHA-256 (Bitcoin, Bitcoin Cash, etc.)
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🧱 Design: Rugged industrial build with high-density rack compatibility
Performance & Efficiency
The SealMiner A3 Hydro achieves powerful 500 TH/s performance while maintaining excellent thermal efficiency thanks to its advanced hydro-cooling system.
This system ensures consistent operation even under heavy workloads, providing stable hashrate output and minimizing thermal throttling or downtime.
Its 16 J/TH power efficiency significantly reduces energy costs, giving miners a higher profit margin and faster ROI — a key advantage in today’s competitive Bitcoin mining landscape.
Hydro Cooling Advantage
Unlike conventional air-cooled miners, the A3 Hydro uses a closed-loop liquid cooling system that efficiently transfers heat away from the ASIC chips.
This results in:
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Lower operating temperatures
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Reduced noise levels
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Extended hardware lifespan
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Easier maintenance and scalability for mining farms
Industrial Design & Build Quality
The A3 Hydro features a compact 2U rackmount chassis, ideal for high-density mining farm installations. Its reinforced aluminum body provides excellent durability and heat conduction, ensuring long-term stability and consistent performance.
Specifications
| Specification | Details |
|---|---|
| Model | Bitdeer SealMiner A3 Hydro |
| Hashrate | 500 TH/s ±10% |
| Power Consumption | 8,000 W ±5% |
| Efficiency | 16 J/TH ±5% |
| Algorithm | SHA-256 |
| Cooling Method | Hydro (liquid cooling) |
| Noise Level | Much quieter than air-cooled miners |
| Voltage Input | 380–480 V AC |
| Dimensions | 665 × 482 × 86 mm |
| Weight | 20.5 kg |
| Operating Temperature | 0 °C – 35 °C |
| Release Year | 2025 |
Why Choose the Bitdeer SealMiner A3 Hydro
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✅ High Hashrate Output: 500 TH/s of consistent SHA-256 performance
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✅ Efficient Power Use: 16 J/TH for reduced operational costs
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✅ Hydro-Cooled System: Quiet, clean, and efficient thermal management
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✅ Professional-Grade Build: Built for 24/7 industrial mining environments
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✅ Future-Ready: Designed to support large-scale, sustainable mining operations
Package Includes
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1 × Bitdeer SealMiner A3 Hydro Miner
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1 × Power and hydro-connection kit
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1 × Quick Start Installation Guide
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Warranty and support documentation
Ideal For
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Professional mining farms and enterprise-scale deployments
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Data centers utilizing liquid-cooling infrastructure
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Investors seeking long-term, energy-efficient Bitcoin mining hardware
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High-density, low-noise mining installations
Conclusion
The Bitdeer SealMiner A3 Hydro (500 TH/s) brings together cutting-edge hydro-cooling, robust power efficiency, and enterprise-grade reliability in one compact mining powerhouse.
Built for professional miners and large-scale operations, it offers a perfect balance of performance, efficiency, and sustainability, making it one of the most advanced SHA-256 miners in its class.
Whether upgrading existing infrastructure or expanding into hydro-cooled mining, the SealMiner A3 Hydro is a smart investment for maximum uptime and profitability.

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