Antminer T21 (190Th) Review

The Antminer T21 (190Th) from Bitmain is a high-performance ASIC miner designed for SHA-256 algorithm mining. With a maximum hashrate of 190Th/s and power consumption of 3610W, it offers a compelling mix of power and efficiency. This review explores its key features, performance, and profitability, helping you decide if the Antminer T21 is the right choice for your mining operations.

Design and Build Quality

The Antminer T21 is built with durability and functionality in mind. Its robust design ensures it can withstand the demands of continuous operation, making it ideal for long-term mining. The miner's dimensions of 400 x 195 x 290mm and a weight of 16400g make it compact and manageable, suitable for various setups, whether in a professional mining farm or a personal rig.

Power Efficiency

Power efficiency is a crucial factor in mining profitability, and the Antminer T21 excels in this area with its efficient energy consumption. It uses 3610W ±5% of power, resulting in an efficiency of 0.019j/Gh. By optimizing power usage, the T21 ensures that you get the most out of your electricity, contributing to a more cost-effective mining operation.

Temperature and Humidity Tolerance

Operating in various environmental conditions can impact the performance and longevity of your mining equipment. The Antminer T21 is designed to handle a range of temperatures and humidity levels, ensuring reliable performance. It operates efficiently within a temperature range of 5 - 45°C and can handle humidity levels between 10 - 90%. This versatility allows it to function well in diverse environments, from cool, dry climates to warmer, more humid conditions.

Noise Levels

Mining equipment can generate significant noise, which is a consideration for many users. The Antminer T21 operates at a noise level typical of high-performance miners, registering at 75db. Equipped with dual cooling fans, it maintains optimal operating temperatures but does contribute to the overall noise level. This is an important factor to consider if noise is a concern for your setup.

Network Connectivity

Reliable network connectivity is essential for consistent mining operations. The Antminer T21 is equipped with an Ethernet interface, ensuring stable and fast internet connectivity. This setup provides a dependable connection, which is crucial for maximizing uptime and ensuring smooth mining operations.

Profitability Considerations

When assessing the profitability of the Antminer T21, it's important to consider current market conditions and electricity costs. The miner's high hashrate and efficient power usage can lead to significant returns, but factors such as cryptocurrency prices and local energy rates will impact overall profitability. Careful analysis of these factors will help you determine the potential profitability of the Antminer T21 in your specific situation.

Setup and Configuration

Getting started with the Antminer T21 is straightforward, making it accessible to both novice and experienced miners.

• Begin by unboxing and inspecting the unit to ensure all parts are present and in good condition. Read the manual properly to ensure you understand all the things you need to do.
• Use the Ethernet interface to connect to the internet, and access the web interface to set up mining parameters.

 Following these steps will help you get your T21 up and running quickly and efficiently.

User Experiences and Feedback

User reviews provide valuable insights into the real-world performance of the Antminer T21. Many users highlight its reliable performance and efficiency, though some note the importance of proper cooling and noise management. Positive feedback often centres on high efficiency and dependable performance, while constructive feedback focuses on managing noise levels and cooling requirements.