Overview
The Bitmain Antminer S21+ (216Th) is a high-performance ASIC miner optimized for the SHA-256 algorithm, primarily targeting Bitcoin (BTC) mining. With a maximum hashrate of 216Th/s and a power consumption of 3564W, it achieves an energy efficiency of 16.5j/Th, making it a competitive choice for professional mining operations.
👉 Check current pricing and availability
Key Features
- Hashrate: 216Th/s
- Power Consumption: 3564W
- Energy Efficiency: 16.5j/Th
- Noise Level: 75dB
- Dimensions: 400 × 195 × 290mm (compact design)
Profitability Analysis
Profitability depends on variables like electricity costs, BTC price, and mining difficulty. Below are estimated daily earnings (assuming $0.10/kWh electricity):
| Metric | Value |
|----------------------|----------------|
| Daily Revenue | $XX.XX |
| Daily Power Cost | $XX.XX |
| Daily Profit | $XX.XX |
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Specifications
| Manufacturer | Bitmain |
|---------------|---------------------|
| Model | Antminer S21+ (216Th)|
| Release | February 2025 |
| Interface | Ethernet |
| Temperature Range | 10–40°C |
| Humidity Range | 10–90% |
Where to Buy?
Here are trusted vendors offering the Antminer S21+:
- MillionMiner (Europe) – €4,599
- HSasicminer (Asia) – $2,981
- UMiners (Asia) – $2,894
- Apexto Mining (Asia) – $3,100
- BT-Miners (Americas) – $3,199
Prices vary by region and availability.
FAQ
1. Is the Antminer S21+ suitable for home mining?
Due to its 75dB noise level, it’s better suited for industrial setups or soundproofed environments.
2. What coins can it mine?
Primarily Bitcoin (BTC), but also compatible with other SHA-256 coins like Bitcoin Cash (BCH).
3. How does it compare to previous models?
The S21+ offers better efficiency (16.5j/Th vs. older models like S19j Pro at 29.5j/Th).
4. What’s the ROI period?
Approximately 12–18 months, depending on BTC price and electricity costs.
5. Does it include a power supply?
Verify with the vendor—some units require a separate PSU purchase.
6. What’s the warranty?
Typically 180 days for Bitmain-manufactured units; reseller policies may vary.
For further details or purchasing options:
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