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Bitmain Antminer S21 (188 TH/s) – SHA-256 ASIC Miner
Original price was: $3,788.44.$1,149.45Current price is: $1,149.45.
7 in stock
Bitmain Antminer S21 (188 TH/s) is a next-gen SHA-256 miner offering ultra-efficient 17.5 J/TH power use and exceptional reliability — the ultimate choice for professional Bitcoin, BCH, and BSV miners.
7 in stock
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Bitmain Antminer S21 188TH/s SHA-256 Bitcoin Miner
The Antminer S21 is Bitmain’s next-generation SHA-256 mining powerhouse, engineered to deliver
unmatched performance and energy efficiency for Bitcoin, Bitcoin Cash, and BSV mining.
Perfect for professional and large-scale operations demanding reliability and maximum ROI.
📸 Product Gallery

⚙️ Key Specifications
| Hashrate | 188 TH/s |
| Algorithm | SHA-256 (BTC/BCH/BSV) |
| Power Consumption | 3290W ±10% |
| Power Efficiency | 17.5 J/TH @25°C |
| Input Voltage | 220V–277V AC |
| Network Interface | Ethernet (RJ45, 10/100M) |
🏗️ Design & Build
- Miner Dimensions: 400 × 195 × 290 mm (without packaging)
- Shipping Dimensions: 570 × 316 × 430 mm
- Net Weight: 15.4 kg
- Gross Weight: 17.2 kg
- Cooling: Advanced dual-fan design for efficient thermal management
- Durability: Rugged industrial-grade construction for 24/7 operation
🌡️ Environmental Requirements
| Operating Temperature | 0°C to 45°C |
| Storage Temperature | -20°C to 70°C |
| Humidity Range | 10%–90% (non-condensing) |
| Maximum Altitude | ≤ 2000 m |
💡 Why Choose the Antminer S21?
- Ultra-Efficient: Consumes just 17.5 J/TH — reducing electricity costs and improving ROI.
- High Performance: Delivers a powerful 188 TH/s for maximum mining output.
- Rugged Build: Designed for industrial-scale deployment and 24/7 reliability.
- Proven Brand: From Bitmain, the global leader in ASIC mining hardware.
The Bitmain Antminer S21 stands at the forefront of modern Bitcoin mining —
delivering elite hashrate performance, incredible energy efficiency, and robust build quality.
Perfect for miners seeking the best balance between power, durability, and profitability.
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