The Sealminer A2 (228T) is the result of Bitdeer’s vertical integration strategy, designed to challenge the dominance of legacy ASIC manufacturers. By controlling the silicon design with their SEAL01 chips, Bitdeer has produced a machine that is not only highly efficient at 16.5 J/TH but also significantly quieter and more durable than its predecessors.
The Power of SEAL01 4nm Technology
The core of the A2 is the SEAL01 processor, a 4nm chip architecture optimized specifically for the Bitcoin network’s SHA-256 algorithm. This advanced node allows the miner to:
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Maintain 16.5 J/TH: Balancing high hashrate with moderate power consumption (3730W).
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Flexible Operating Modes: The A2 supports a “Low Power Mode” (down to 15.5 J/TH) for high-electricity cost areas and a “Performance Mode” for maximizing output during bull markets.
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Enhanced Chip Stability: The SEAL01 is designed to resist voltage drops, ensuring your hashrate stays consistent even in variable power environments.
Advanced Quiet-Cooling System
One of the most praised features of the Sealminer A2 is its acoustic engineering. Bitdeer has redesigned the internal fan blades and airflow field to produce a 3-4 dB lower noise level than industry-standard miners.
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Optimized Airflow: Custom fan housing reduces air turbulence, keeping the chips at lower temperatures while using less fan power.
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Rugged Build: The unit features a reinforced chassis and high-grade industrial fans (12038) designed for 24/7 operation in ambient temperatures up to 50°C.
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Intuitive Dashboard: The Bitdeer web interface provides granular control over chip frequency, fan speeds, and real-time profitability tracking.
Technical Specifications Overview
| Feature | Specification |
| Manufacturer | Bitdeer |
| Model | Sealminer A2 (228 TH/s) |
| Algorithm | SHA-256 (BTC, BCH, BSV) |
| Hashrate | |
| Power Consumption | |
| Power Efficiency | |
| Chip Technology | SEAL01 (4nm Process) |
| Voltage Input | 220V – 277V |
| Noise Level | (3-4 dB quieter than S21) |
| Dimensions | |
| Net Weight |
Why Choose CryptoMiners24 for your Bitdeer A2?
As an authorized distributor of Bitdeer technology, CryptoMiners24 provides a secure and professional buying experience:
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Factory New Inventory: All Sealminer A2 units are 100% brand new, factory-sealed, and come with a 360-day manufacturer warranty.
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Worldwide Express Shipping: Fully insured shipping to over 100 countries via DHL and FedEx.
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Safe Crypto Payments: We accept Bitcoin (BTC), USDT (TRC20), and traditional Bank Wire transfers.
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Pre-Configuration Service: Our team can pre-configure your pool settings so your miner starts hashing the moment you plug it in.
4. Internal Linking Strategy
Guide your users toward their ideal setup with these links:
Pro Tip: The Sealminer A2 requires a 220V–277V power source and a high-quality C19 power cable. To ensure the longest lifespan of your SEAL01 chips, we recommend keeping the operating environment between 15°C and 30°C.
