Bitmain Antminer S21+ (225Th)

Bitmain Antminer S21+ (225 Th/s)

The Bitmain Antminer S21+ is a high-performance air-cooled ASIC miner engineered for SHA-256 / Bitcoin mining at enterprise scale. Delivering 225 Th/s at 16.5 J/Th, it combines strong hashrate output with the simplicity of air cooling — purpose-built for large-scale containerized and data center deployments.

Technical Specifications

• Manufacturer: Bitmain
• Model: Antminer S21+ (225Th)
• Algorithm: SHA-256
• Target Coin: BTC (Bitcoin)
• Hashrate: 225 Th/s
• Power Consumption: 3,712W
• Energy Efficiency: 16.5 J/Th
• Cooling: Air cooling | 2 fans
• Dimensions: 400 × 195 × 290 mm
• Noise Level: 75 dB
• Interface: Ethernet
• Operating Temperature: 10–40°C
• Humidity: 5–95%
• Release: June 2025

Why Choose the Antminer S21+ (225Th)

• 225 Th/s air-cooled — strong hashrate with straightforward deployment
• Compatible with Avalon Air Box 40ft containerized deployments
• Bitmain enterprise build quality for sustained large-scale Bitcoin mining
• Cost-effective air-cooled alternative to hydro-cooled S21+ variants