Antminer S21

Original price was: 999,00 $.Current price is: 949,00 $.

The Antminer S21 from Bitmain has a hashrate of 188Th-200Th and a power consumption of 3290W-3500W mining Bitcoin (BTC). ✅ PSU included

Description

Powerful Mining for Serious Results
The Antminer S21 sets new benchmarks in the world of Bitcoin mining, delivering a hash rate of up to 200 TH/s and consuming only 3500W of power. Additionally, you’ll enjoy greater power efficiency at just 17.5 J/TH, helping you reduce electricity costs as network difficulty rises. With its robust design and advanced cooling system, this miner maintains optimal operating temperature under heavy loads, ensuring you extract maximum rewards all year round .

Compact Build Meets Versatile Performance
Because the Antminer S21 is compact—measuring just 400 x 195 x 290 mm and weighing 15 kg—you have plenty of options for rack, shelf, and remote setups. Unlike larger, noisier machines, it offers a manageable noise level around 75 dB, letting you deploy it in small farms or industrial environments with minimal inconvenience. Furthermore, its standard 220–277V compatibility and Ethernet port mean you can quickly set it up and connect to your favorite pool, regardless of your infrastructure .

Reliable and Ready for Evolving Markets
As electricity prices fluctuate and mining challenges rise, the Antminer S21 adapts with performance-optimizing chips and easy firmware upgrades. You’ll notice more uptime thanks to its automatic power regulation and heat dissipation, which keeps your operation stable during seasonal climate changes. Plus, a generous warranty gives you peace of mind for every mining campaign. Whether you’re expanding your farm or entering solo mining, the S21 delivers profitability and reliability for miners striving to stay ahead in 2025.

  • 1 Year WARRANTY 
  • PSU included
Release: January 2024
Size: 400*195*290mm
Weight: 15.4kg
Noise Level: 75db
Hashrate: 188Th-200Th
Power Consumption: 3290W-3500W
Power Efficiency: 17.5J/T
Crypto Currency: BTC
Condition: New
Warranty: 1Year

 

Additional information

Weight 15,4 kg
Mineable Coins

BTC, BCH, BSV, NMC, PPC

Mining Pools

Kryptex, ViaBTC, NiceHash

Shipping

Express Shipping:

✅ Shipping Time: ca. 3-5 business days

✅ Full Tracking Access

✅ UPS/DHL

 

Processing Time:

✅ 1 business day for USDT/USDC transactions

✅ 2 business days for CoinPal transactions

✅ 2-4 business days for bank transfers

 

DDP Shipping (Delivery Duty Paid):

✅ all orders above 50kg

✅ USA & UAE

✅ all Solo Miners

Please keep in mind that VAT is excluded for all other orders. If you have any further questions regarding shipping options or value declaration, please contact us.

We will send you a confirmation email once your order has been shipped. It can take up to 2 business days until our shipping carrier provides you with the tracking information for the standard shipment after your order is being processed. If you order more than one product, it is possible that your order arrives in multiple shipments depending on the availability of the product and location.

For our used products, pick up is available in one of our warehouses in Czech Republic. Please contact us via email at: info@maximiners for more information.

When receiving the product, please make sure that all accessories related to the product are included in the package. In case of any damage during shipment, please keep the carton/box in order for exchange. The customer is responsible for contacting the shipping carrier in the event of a damage during the shipment.

MaxiMiners offers worldwide shipping. All duties, taxes or fees that occur are to be handled by the customer in case the order is not shipped via DDP. Therefore Maxi Miners is not liable for any duties, taxes or fees. It is the responsibility of the customer to take care of all occurring local taxes, duties or fees for each order. Maxi Miners is not liable for any costs of damage from calculating duties and taxes related to your order.

Each product warranty is handled directly through the manufacturer’s warranty process. In the event of a malfunction or defective device, the item will be sent to the manufacturer’s authorized repair center for evaluation and servicing. Please note that the warranty becomes void if any unauthorized modifications are made, including the installation or uploading of third-party firmware.

We offer express shipping via DHL/UPS to the following countries:

Austria, Australia, Belgium, Bulgaria, Canada, Croatia, Czech Republic, Denmark, Ecuador, Estonia, Finland, France, Germany, Greece, Hungary, Ireland, Italy, Lithuania, Luxembourg, Netherlands, Norway, Poland, Portugal, Romania, Russia, Saudi Arabia, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey, United Arab Emirates, United Kingdom, United States

 

Warranty

✅ 6-12 months (depending on model)

Every product ships with a 6-12 month manufacturer’s warranty tailored to the specific model, giving you peace of mind from day one. When a technical failure occurs, simply send the unit to the nearest authorized repair center—we create your after-sales ticket instantly. Our dedicated support team guides you through every step, ensuring fast resolution so you get back to profitable mining without delays or hassle.

Hosting

Global Hosting Solutions for Your Miners
Maxi Miners delivers flexible hosting options worldwide, perfectly tailored to your needs—start with just 1 miner and scale as you grow. Enjoy ultra-competitive electricity rates from $0.065/kWh across strategic locations optimized for power costs, climate, and latency. Whether you choose cool Nordic sites or sunny energy hubs, we provide rack space, cooling, and 24/7 monitoring. Check out our hosting options to find the perfect location for maximum profitability!

Check out Hosting Options here:

15% OFF with ViaBTC Pool (PPS+)

This offer is limited and only available for new users.

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