Bitmain Antminer S21 Pro 245 TH/s
*Unlike most sellers we ship from the Netherlands (EU zone)
*Order without VAT (0%) with a EU company VAT number or by ordering from outside EU.
*The price of mining machines must be adjusted frequently according to many factors, including cryptocurrency/USD exchange rate, the network difficulty, expected difficulty increase, stock availabilty or changes in the algorithm. Refund requests based on these factors cannot be honored.
*Up to two years warranty instead of 180 days.
*Best price in the EU!
Why choose the Antminer S21 Pro?
The Antminer S21 Pro is one of Bitmain’s flagship air-cooled Bitcoin miners, built for professional miners, hosting operators, and serious home setups with the right power infrastructure. Compared with older SHA-256 models, the S21 Pro improves power efficiency while maintaining a high hashrate, making it a strong option for miners focused on long-term operating economics. Bitmain lists its efficiency at 15 J/TH, which is the key performance point for this model.
Key benefits
- High hashrate: 245 TH/s
- Efficient operation: 15 J/TH
- Algorithm: SHA-256
- Mineable coins: BTC, BCH, BSV
- Air-cooled design
- Power supply included
- EU shipping from the Netherlands
Antminer S21 Pro full specifications
| Product Glance | |
| Model | S21 Pro |
| Algorithm | Cryptocurrency | SHA256 | BTC/BCH/BSV |
| Hashrate, TH/s | 245 |
| Power on wall @25°C, Watt | 3510 |
| Power efficiency on wall @25°C, J/TH(1-1) | 15 |
| Detailed Characteristics | |
| Power efficiency on wall @40C,J/TH(1-2) | 15.00 |
| Reference Power on wall, W (1-3) | 3510 |
| DC input voltage range, V(1-4) | 12V~15V |
| DC input current range, A | 267.0 |
| Adapted AC/DC output power requirement, W(1-5). | 4000 |
| Hardware Configuration | |
| Ouantity ofhash chips | 324 |
| Quantity ofhash boards. | 3 |
| Networking connection mode | RJ45 ethernet 10/100M |
| Miner Size (Length*Widthrrght, w/o package), mm | 450*219*293 |
| Net weight, kg | 15.4 |
| Noise, dBA @25C(2-1) | 76 |
| Environment Requirements | |
| Operation temperature,C | 0~45 |
| Storage temperature,C | -40~85 |
| Operation humidity, RH | 10~90% |
The S21 Pro comes with power supply included.
PLEASE NOTE: the C20-P13 (Antwire cable) is included but you need to buy a C19 powercord with at least 16A from your local market if you want to connect the miner to the socket from the wall.
Please kindly note that the required input voltage for S21 Pro is 220V.
The shipping costs for this unit is €25,- in the EU zone. Please ask for a quote for shipping outside EU zone.
Check here to download the manual for installation.
Calculate the actual profit here.
Who is the Antminer S21 Pro for?
The S21 Pro is a strong fit for:
- miners upgrading from older S19-generation hardware
- hosting customers looking for a more efficient SHA-256 unit
- EU buyers who want local shipping and reduced delivery friction
- businesses purchasing multiple machines for scaling Bitcoin mining operations
If your priority is better efficiency per terahash, the S21 Pro is positioned as a newer-generation model with improved energy performance over earlier Bitmain lines.
Shipping from the Netherlands
We ship the Antminer S21 Pro from the Netherlands, helping EU customers avoid the uncertainty that can come with overseas fulfillment. For eligible business buyers, 0% VAT may apply with a valid EU VAT number, and non-EU customers may also order without EU VAT depending on destination.
- faster delivery within Europe
- simpler invoicing for eligible business buyers
- local support and communication
- fewer surprises compared with long-distance import fulfillment
Why buy from Antminer Distribution Europe?
- Shipping from the Netherlands to EU customers
- Support for EU and international orders
- Extended warranty up to two years
- Repair and technical support in the Netherlands
- Multiple payment options
- Established company presence since 2014
Frequently Asked Questions about the Antminer S21 Pro (FAQ)
Antminer S21 Pro
Antminer S21 Pro back
Antminer S21 Pro front side

