Antminer S21+ – 225 TH/s

Bitmain S21+ – 225 TH/s

High-Efficiency SHA-256 ASIC Miner for Bitcoin Mining

Product Overview

The Bitmain S21+ is a high-performance ASIC miner engineered for the SHA-256 algorithm, delivering a hashrate of 225 TH/s for mining Bitcoin (BTC) and other SHA-256-based cryptocurrencies. With an energy efficiency of 15.5 J/TH and a power consumption of 3,712 W, it offers an effective balance between performance and operating cost, making it suitable for both small-scale miners and large industrial mining operations.

Built with advanced chip technology, the S21+ ensures stable performance while reducing environmental impact. Its compact and durable design allows seamless integration into a wide range of mining environments, whether deployed on-site or through professional hosting facilities.

Performance Highlights

• Hashrate of 225 TH/s optimized for SHA-256 mining

• Energy efficiency of 15.5 J/TH

• Power consumption of 3,712 W

• Designed for Bitcoin (BTC) and SHA-256-based cryptocurrencies

• Stable air-cooled operation for continuous mining

Historical and Projected Profitability

Based on data from April to August 2025 and an electricity rate of $0.04/kWh:

• Daily profitability range: $9 to $14 USD

• Average daily profit: approximately $11.75 USD

• Estimated ROI: 8 to 15 months, depending on Bitcoin price, network difficulty, and energy costs

Profitability figures are indicative and subject to market conditions.

Technical Specifications

• Vendor: Antminer

• Brand: Bitmain

• Model: S21+

• Algorithm: SHA-256

• Supported coins: Bitcoin (BTC)

• Hashrate: 225 TH/s

• Power consumption: 3,712 W

• Energy efficiency: 15.5 J/TH

• Cooling system: Air-cooling

• Noise level: 76 dB

• Dimensions: 445 × 215 × 295 mm

• Operating temperature: 5°C to 45°C

• Network interface: Ethernet

• Power cord: Shipped according to client destination

• Release date: June 2025

Profitability and ROI Insights

• Earnings depend on Bitcoin market conditions and network difficulty

• Hosting estimates are calculated using electricity rates as low as $0.04/kWh

• Use the Profitability Calculator for customized daily, monthly, and annual projections

Deployment Options: Shipping or Hosting

Shipping

• Direct delivery from Shenzhen via DHL, UPS, FedEx, or TNT

• Estimated delivery time: 5–7 business days

• Secure packaging with tracking

• Duties and taxes may apply depending on destination

• Bulk orders over $500,000 qualify for custom pricing

Hosting

• Available locations: USA, Dubai, Norway, Finland, Ethiopia, Nigeria

• Electricity rates starting from $0.04/kWh

• Fully managed operation with professional maintenance and 24/7 monitoring

Estimated ROI by Location

• USA: $0.065/kWh – 13.48 months

• Nigeria: $0.047/kWh – 10.94 months

• Ethiopia: $0.054/kWh – 11.81 months

• Dubai: $0.059/kWh – 12.51 months

• Finland: $0.069/kWh – 14.22 months

• Norway: $0.078/kWh – 16.2 months

Hosting Benefits

• 7-year full warranty on hosted miners

• 95 percent or higher uptime

• Deployment within 1 to 7 days

• Exchange services for fiat currencies and cryptocurrencies

• 0 percent mining fee, 100 percent of mined coins belong to you

• Reduced infrastructure costs with access to low-cost electricity

Key Features and Benefits

• High SHA-256 hashrate with efficient power usage

• Advanced chip technology for stable Bitcoin mining

• Compact and durable design for flexible deployment

• Built-in security safeguards protecting mining assets

• User-friendly monitoring of hashrate, power, and temperature

• Supports SHA-256 pooled and multi-coin mining

• Reliable Ethernet connectivity for remote management

Why Choose the Bitmain S21+

The Bitmain S21+ delivers reliable SHA-256 performance with 225 TH/s hashrate and 15.5 J/TH efficiency. Its predictable profitability, compact design, and flexible shipping or hosting options make it a solid choice for miners aiming to maximize Bitcoin earnings while controlling operational costs.

Warranty, Shipping, and Support

• Warranty: 7 years for hosted units, 12 months for shipped units (void if misused)

• Shipping: Worldwide delivery within 5–7 business days with tracking

• Payment options: Cryptocurrency or wire transfer; hosting costs deducted from mining revenue

• Customer support: 24/7 assistance for setup, hosting, and troubleshooting

Pre-orders are open for June 1, 2025. Contact us for bulk pricing, hosting packages, or custom deployment solutions.