- Factory-sealed and authentic
- Dispatch in 1-2 business days
- Secure partner checkout (card, bank transfer, PayPal-supported methods) and optional crypto
Highlights
The Bitmain Antminer S21+ is a next-generation SHA-256 Bitcoin ASIC miner built for professional BTC mining. Designed for 24/7 operation, it delivers powerful performance with modern energy efficiency—ideal for mining farms, hosting providers, and serious miners with low-cost electricity.
Description
Next-Gen SHA-256 ASIC
Built for BTC Mining
High Efficiency
Bitmain Antminer S21+ Bitcoin Miner – Next-Gen SHA-256 Mining Performance
The Bitmain Antminer S21+ is a next-generation Bitcoin ASIC miner engineered for miners who want maximum hashrate with modern energy efficiency. Built for the SHA-256 algorithm, the S21+ is optimized for Bitcoin (BTC) and other SHA-256 cryptocurrencies—making it a powerful upgrade for mining farms, hosting facilities, and serious home mining setups with proper power and ventilation.
Designed as part of Bitmain’s latest Antminer lineup, the S21+ focuses on what matters most: stable 24/7 operation, high output, and lower cost per terahash. If you’re scaling your operation or replacing older units, the Antminer S21+ is built to help you stay competitive as network difficulty evolves.
Algorithm
SHA-256
Use Case
Bitcoin Mining
Operation
24/7 Ready
Tip: For best results, run the Antminer S21+ on a stable power source and ensure strong airflow. ASIC miners produce significant heat and require proper cooling for long-term reliability.
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Key Features & Benefits
Next-Generation Mining Power
Designed for high-output SHA-256 mining, delivering the performance you need to stay competitive.
Better Cost per TH
Modern efficiency helps reduce operational costs and improves profitability versus older-generation ASIC miners.
Built for 24/7 Stability
Robust industrial design for continuous mining in farms, hosting centers, or optimized home environments.
Optimized for Bitcoin
Ideal for Bitcoin (BTC) and other SHA-256 coins—perfect for miners who focus on top-tier networks.
Data Center & Hosting Ready
Works great in professional setups with stable power, strong ventilation, and proper noise management.
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Technical Specifications
Fill in the exact figures for your product batch/listing (hashrate, watts, efficiency). If you want, send me your specs and I’ll lock them in perfectly.
- Model
- Bitmain Antminer S21+
- Algorithm
- SHA-256
- Hashrate
- TBD (e.g., 200+ TH/s) – depends on batch
- Power Consumption
- TBD (e.g., 3500 W) – depends on batch
- Power Efficiency
- TBD (e.g., 17–20 J/TH) – depends on batch
- Input Voltage
- Typically 220–240V (confirm for your unit)
- Cooling
- High-performance air cooling (fan-based)
- Network Connection
- Ethernet
- Noise Level
- Typical ASIC noise (confirm dB level for your listing)
- Operation
- Designed for continuous 24/7 mining
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Who Is This Miner For?
The Antminer S21+ is a strong match for:
- ✓ Professional Bitcoin miners scaling their operation
- ✓ Mining farms & hosting providers upgrading older fleets
- ✓ Experienced users with access to low-cost electricity and proper cooling
- ✓ Operators who prioritize long-term efficiency and reliability
If you want a modern miner that balances hashrate, efficiency, and 24/7 stability, the S21+ is built for the job.
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Reliability You Can Trust
Built on Bitmain’s latest engineering, the Antminer S21+ is designed for continuous mining at scale. With proper airflow, stable power delivery, and a clean operating environment, it’s a strong long-term choice for miners who value uptime.
Best Practice
Adequate cooling & ventilation
Best Practice
Stable power & surge protection
Best Practice
Ethernet + secure network
Shipping and Returns
- Same- or next-business-day dispatch for in-stock items after your payment has been confirmed.
- Worldwide free shipping to supported countries - typical transit time 8-16 business days.
- No shipping to restricted countries or sanctioned regions.
- Returns for sealed items within 14 days of delivery (buyer pays return shipping unless we made a mistake).
- Full details: Shipping Policy and Right of Withdrawal.
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