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Home > Miner Store > Miner Store > Bitmain Antminer A3 815Gh/s 1275W SCC Miner
SCC
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Bitmain Antminer A3
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815GH/s
Hashrate
1275W
Power
Blake2B
Algorithm
1.564j/Gh
Efficiency

Bitmain Antminer A3 815Gh/s 1275W SCC Miner

SKU: Antminer A3 815G

Bitmain Antminer A3 (815Gh) is an ASIC miner designed for Blake2B algorithm, specifically targeting SCC (SiaClassic). It delivers a maximum hashrate of 815Gh/s while consuming 1275W of power, resulting in an energy efficiency of 1.564j/Gh.

$2,999.00

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In-Depth Reviews & Mining Tests:
Estimate ROI Before You Buy:
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Specifications


Manufacturer Bitmain
Model Antminer A3 (815Gh)
Release Jan 2018
Size 12x 20x 32cm
Weight 4.2kg
Chip boards 3
Chip name BM1720
Chip count 180
Noise level 76dB
Fan(s) 2
Power 1275W
Wires 10 * 6pin
Voltage 11.60~13.00 V
Interface Ethernet

Mining Pools

Blake2B Mining Power for SiaClassic Operations

The bitmain antminer a3 delivers 815Gh/s hashrate using the Blake2B algorithm, purpose-built for mining SiaClassic (SCC). With a power consumption of 1275W, it balances heavy-duty performance with an energy efficiency ratio of 1.564j/Gh. This mining device supports continuous, high-volume block validation while offering dependable hardware stability across longer sessions.

You can integrate this model into professional or growing setups that require scalable output. Its durable structure and optimized cooling system allow for consistent operation under demanding conditions. As a result, the unit suits deployments where thermal balance and uninterrupted uptime are essential.

Industrial SiaClassic Hashrate with Trusted Stability

  • 815Gh/s hashing speed for Blake2B-based SCC mining
  • 1275W power draw for sustained high-volume operations
  • Energy efficiency rated at 1.564j/Gh
  • Rugged housing with enhanced airflow control
  • Designed for consistent mining in extended runtime scenarios

The bitmain antminer a3 features reinforced board architecture to maintain hashrate consistency, even during extended workload peaks. Integrated firmware provides auto-restart functionality and real-time performance tracking, helping reduce manual oversight. Its thermal design maximizes airflow while protecting internal components from overheating.

You can deploy this unit in rack systems or standalone configurations depending on infrastructure needs. Its dependable output and straightforward operation reduce complexity, letting miners focus on maximizing returns from SiaClassic’s decentralized network. With a proven ASIC foundation and Blake2B optimization, the A3 continues to serve as a reliable workhorse in SCC mining environments.

Which Miner Should You Buy?

Choosing the right miner depends on your target coin, electricity cost, and expected ROI.
To help you decide, we’ve ranked the latest ASIC miners by profitability based on real-time market data. Whether you’re mining Bitcoin, Kaspa, or Alephium, our ranking table helps you find the most profitable mining hardware for your setup.

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