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 safely install it at home.

Prepare the location

• Power supply 220–240V (C20 plug) on dedicated line.
• Effective ventilation, ambient temperature < 35°C.
• Stable Ethernet network connection.

Branching & Networking

1. Plug in the power supply and the Ethernet cable.
2. Turn on the miner, locate the IP address via the router/network scanner.

Interface access & security

Log in with root/root , and immediately change the password .

Configure the BTC pool

1. Tab Miner Configuration → Pool URL, wallet and worker .
2. Save, restart if prompted.

Optimizations & maintenance

• Performance Mode (245 TH/s) vs. Eco Mode.
• Monitor temperatures (< 80°C), clean the fans every 2–4 weeks.
• Regular firmware updates.