21energy Bitmain Antminer S9 Silent

The Bitmain Antminer S9 Silent is a powerful and efficient Bitcoin miner designed for users who prioritize reduced noise levels. With a hashrate of 12.5 TH/s and an optimized efficiency of up to 75 J/TH, this device is ideal for use in residential areas or other environments where noise is a concern. The miner comes equipped with the latest Braiins OS+, which features aut tuning and power target functions to maximize performance and minimize energy consumption. The refurbished condition of the device ensures that it has been thoroughly tested and refurbished to guarantee reliable performance. Equipped with high-quality Noctua fans and an improved noise reduction system, the Antminer S9 Silent offers a combination of power and user-friendliness, making it an excellent choice for crypto enthusiasts.

• Hashrate of 12.5 TH/s for efficient mining
• Operates with variable power from 380 to 1000 watts
• Includes Braiins OS+ with aut tuning and power target functions
• Enhanced noise reduction through Noctua fans
• Efficiency of up to 75 J/TH at optimal performance.