Antminer S21+ 216 Th/s profitability

Overview of Antminer S21+ 216 Th/s

The Antminer S21+ is a top-tier ASIC miner developed by Bitmain for mining cryptocurrencies based on the SHA-256 algorithm, such as Bitcoin (BTC), Bitcoin Cash (BCH), and others. It delivers a powerful 216 Th/s hashrate with a power consumption of 3564 W, placing it among the most efficient mining solutions on the market.

With an energy efficiency of 16.5 J/Th, the S21+ offers strong profitability for professional miners aiming to balance power with performance.

Specifications of Antminer S21+ 216 Th/s

The miner is equipped with two high-speed fans for effective air cooling and operates at temperatures between 10 and 40 °C. Noise levels reach up to 75 dB, typical for industrial-grade miners.

Its compact and durable build (400 × 195 × 290 mm, 22.9 kg) makes it suitable for use in mining farms or well-ventilated dedicated facilities. It connects via Ethernet and supports a voltage range of 220–240 V.

• Algorithm: SHA-256
• Hashrate: 216 Th/s (±5%)
• Power Consumption: 3564 W (±10%)
• Energy Efficiency: 16.5 J/Th
• Cooling: Air-cooled, 2 fans
• Noise Level: 75 dB
• Interface: Ethernet
• Voltage: 220–240 V
• Operating Temperature: 10–40 °C
• Dimensions: 400 × 195 × 290 mm
• Weight: 22.9 kg

Profitability of Antminer S21+ 216 Th/s

As of May 14, 2025, the estimated daily profit is around $6.62 with an electricity cost of $0.10 per kWh. This makes the Antminer S21+ a strong candidate for miners seeking stable daily returns from BTC mining.

Profitability depends on various market factors including BTC price, mining difficulty, and local energy rates.

Mining Calculator for Antminer S21+ 216 Th/s

Mining calculators provide a reliable way to estimate returns by analyzing energy usage, hashrate, and real-time market prices.

These tools are crucial for evaluating ROI and planning investments whether you're scaling a farm or starting from scratch.

Power Consumption of Antminer S21+ 216 Th/s

At 3564 W and 16.5 J/Th efficiency, this miner strikes a balance between power and productivity. It offers stable 24/7 operation when set up in a temperature-controlled and properly ventilated space.

Its air cooling prevents hardware overheating and ensures long-term durability for continuous mining.

Why Buy Antminer S21+ 216 Th/s

The Antminer S21+ stands out for its high hashrate, industrial reliability, and energy optimization — making it ideal for professional setups.

It delivers consistent mining performance, backed by Bitmain's latest technology and trusted global support.