Antminer S21+ - 216 TH/s: High-Efficiency SHA-256 ASIC Miner for Bitcoin Mining

The Antminer S21+ is a top-tier ASIC miner built for the SHA-256 algorithm, delivering a powerful 216 TH/s hashrate for mining Bitcoin (BTC) and other SHA-256-based cryptocurrencies. With 16.50 J/TH efficiency and 3564W power consumption, it offers a great balance of performance and cost, ideal for small and large mining operations. Its advanced chips ensure high performance with low environmental impact, and its compact design fits easily into any setup. Choose shipping or hosting at $0.04/kWh electricity rates to boost profitability.

Historical and Projected Profitability

Profitability Chart: Based on current market data, daily earnings range from $4 to $6 USD, averaging $4.98 with $0.04/kWh rates. The Antminer S21+ achieves ROI in 16-22 months, depending on Bitcoin prices and energy costs.

Technical Specifications

Specification	Details
Vendor	Bitmain
Brand	Antminer
Model	S21+
Hash Rate	216 TH/s
Algorithm	SHA-256
Supported Coins	Bitcoin (BTC)
Power Consumption	3564 W
Energy Efficiency	16.50 J/TH
Cooling System	Air cooling (2 fans)
Power Cord	Shipped according to client's destination
Dimensions	400 x 195 x 290 mm
Noise Level	75 dB
Operating Temperature	10°C to 40°C
Network Interface	Ethernet
Release Date	February 2025

 

Profitability and ROI Insights

Use our Profitability Calculator to estimate earnings based on Bitcoin prices, $0.04/kWh hosting rates, and network difficulty.

Flexible Deployment Options: Shipping or Hosting

Shipping: Direct delivery from Shenzhen via DHL, UPS, FedEx, or TNT in 5-7 days. Secure packaging with tracking; costs vary by location (e.g., 10% tax in USA from April 2025). Bulk orders over $500,000 get custom pricing.

Hosting: Deploy in USA, Dubai, Norway, Finland, Ethiopia or Nigeria with $0.04/kWh rates. Enjoy hands-off operation with 24/7 maintenance.

Location	Electricity Rate	ROI
USA	$0.059 / kWh	18.5 month(s)
Nigeria	$0.048 / kWh	16.8 month(s)
Ethiopia	$0.053 / kWh	17.6 month(s)
Dubai	$0.054 / kWh	17.8 month(s)
Finland	$0.061 / kWh	18.9 month(s)
Norway	$0.064 / kWh	19.5 month(s)

 

Hosting Benefits

7-Year Full Warranty

95%+ Uptime

Deployment in 1-7 Days

Exchange Services for FIAT and cryptocurrencies

0% Mining Fee – Keep all coins Hosting reduces infrastructure needs and maximizes profits with low-cost energy.

Key Features and Benefits

High Hashrate and Efficiency: Offers 216 TH/s and 16.50 J/TH efficiency for lower energy costs.

Advanced Chip Technology: Next-gen Bitmain chips delivering extreme Bitcoin hash power.

Compact Design: Fits at 400 x 195 x 290 mm with durable build.

Enhanced Security: Protects against threats with built-in safeguards.

Easy Monitoring: Tracks hashrate, power, and temperature with adjustable settings.

Versatile Algorithm: Supports SHA-256 and multi-coin mining.

Stable Connectivity: Ensures reliable remote management via Ethernet.

Why Choose the Antminer S21+?

The Antminer S21+ dominates SHA-256 mining with 216 TH/s hashrate and elite 16.50 J/TH efficiency. Proven Bitmain reliability and strong cooling make it perfect for any scale, while $0.04/kWh hosting maximizes profitability. Ideal for serious miners looking for long-term Bitcoin earnings.

Warranty, Shipping, and Support

Warranty: 7 years for hosted, 12 months for shipped (voided by misuse).

Shipping: 5-7 day global delivery with tracking; bulk orders get quotes.

Payment Options: Accepts cryptocurrency or wire transfer; hosting costs deduct from profits.

Customer Support: 24/7 assistance for setup, troubleshooting, and more.

In stock – ships immediately! Start mining Bitcoin today shipped or hosted. Contact us for bulk pricing.