Antminer S21 Pro

Description

High-Powered Mining Performance
The Antminer S21 Pro is a state-of-the-art Bitcoin miner designed for maximum efficiency. It offers a hash rate of 234 TH/s, making it one of the most powerful miners in 2025. Moreover, it consumes 3510W, which ensures high output without excessive energy use. Thanks to its energy efficiency of approximately 15 J/TH, miners can reduce operational costs significantly. This model performs reliably, even under demanding conditions, ensuring you get optimal returns on your investment .

Compact and Robust Design
Because of its smart design, the Antminer S21 Pro features a compact size of 400 x 195 x 290 mm and a weight of around 18.5 kg. It uses a high-quality air cooling system with two fans, which keeps temperatures safe and prevents overheating. You can easily install it in a dedicated mining room, data center, or any suitable environment with proper ventilation. Plus, its Ethernet interface guarantees a stable and fast connection, essential for continuous mining operations .

Reliable and Long-Lasting Operation
The Antminer S21 Pro excels in long-term stability thanks to its durable engineering and advanced heat dissipation. It supports ambient temperatures from 0°C to 45°C and humidity levels up to 95%, making it adaptable to various climates. Additionally, the device’s firmware updates and automatic performance regulation help maintain peak performance over time. With a one-year warranty offered by Bitmain, miners enjoy peace of mind, knowing they invested in reliable, high-performance hardware built for the future of crypto mining .

• 1 Year WARRANTY 

• PSU included