Antminer S21 Pro 245 TH Installation Tutorial – Complete Guide
The Antminer S21 Pro 245 TH (see) is a high-performance ASIC for Bitcoin mining. This guide explains how to install it safely at home.
Prepare the location
- 220–240 V power supply (C20 socket) on a dedicated circuit.
- Effective ventilation, ambient temperature < 35 °C.
- Stable Ethernet network connection.
Wiring & network
- Connect the power supply and the Ethernet cable.
- Switch on the miner and find its IP address via your router or a network scanner.
Interface access & security
Log in with root/root, and change the password immediately.
Configure the BTC pool
- In the Miner Configuration tab → pool URL, wallet and worker.
- Save, and restart if prompted.
Optimisation & maintenance
- Performance mode (245 TH/s) vs Eco mode.
- Monitor temperatures (< 80 °C) and clean the fans every 2–4 weeks.
- Update the firmware regularly.
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