The model utilizes the SHA-256 algorithm, which is optimized for Bitcoin and various other cryptocurrencies. Operating up to 3500 W, the Antminer S21 strikes a balance between high performance and manageable energy usage. The S21 ASIC miner demonstrates remarkable power efficiency with an energy consumption  rate of 17,5 J/TH while boasting an impressive hashrate up to 200 TH/s. This means you get more mining power for less electricity consumption

Antminer S21 (188TH/s) model from Bitmain, SHA-256 mining algorithm with 3290W power consumption and 17.5 ±5% efficiency. The new S21 model offers 33% higher hashing speed – S21 188TH/s versus 141TH/s on S19j XP.

High-quality waterproof and dustproof components are used for protection, which creates ideal working conditions and ensures long-term operation.

International deliveries

- From the warehouse: from 7 to 10 days (depending on customs and the volume of your order).

- From the factory: within 8 days.

1. A 365-day warranty is provided starting from the shipping date from Uminers warehouse. 

2. The warranty only applies to the original purchaser who purchased the machine directly from Uminers. Once the miner is resold, warranty coverage becomes the responsibility of the re-seller.

3. If the user fails to use the product per the given instructions, specifications, and conditions provided or changes the function settings of the unit, Uminers will not be liable for any damage arising therefrom.