Antminer S21

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.