Antminer S21+ – 225 TH/s

Bitmain S21+ – 225 TH/s: High-Efficiency SHA-256 ASIC Miner for Bitcoin Mining
The Bitmain S21+ is a top ASIC miner designed for the SHA-256 algorithm, offering a strong 225 TH/s hashrate for mining Bitcoin (BTC) and Bitcoin Cash (BCH). With 15.5 J/TH efficiency and 3712W power consumption, it balances performance and cost for all mining scales. Its advanced chips boost performance while reducing environmental impact, and its compact design fits easily into any setup. Opt for shipping or hosting at $0.04/kWh electricity rates to maximize profitability.
Historical and Projected Profitability
Profitability Chart: From April to August 2025, daily earnings range from $9 to $14 USD, averaging $11.75 with $0.04/kWh rates. 
The Bitmain S21+ achieves ROI in 8-15 months, depending on Bitcoin prices and energy costs, with $11.75 daily profitability.
Technical Specifications
Specification
Details
Vendor
Antminer
Brand
Bitmain
Model
S21+
Hash Rate
225 TH/s
Algorithm
sha-256
Supported Coins
Bitcoin (BTC)
Power Consumption
3712 W
Energy Efficiency
15.5 J/TH
Cooling System
Air-cooling
Power Cord
Shipped according to client’s destination
Dimensions
445x215x295 mm
Noise Level
76 dB
Operating Temperature
5°C to 45°C
Network Interface
Ethernet
Release Date
June, 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 🇺🇸
$0.065 / kWh
13.48 month(s)
Nigeria 🇳🇬
$0.047 / kWh
10.94 month(s)
Ethiopia 🇪🇹
$0.054 / kWh
11.81 month(s)
Dubai 🇦🇪
$0.059 / kWh
12.51 month(s)
Finland 🇫🇮
$0.069 / kWh
14.22 month(s)
Norway 🇳🇴
$0.078 / kWh
16.2 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 cuts infrastructure needs and boosts profits with low-cost energy.
Key Features and Benefits
High Hashrate and Efficiency: Provides 225 TH/s and 15.5 J/TH efficiency for lower energy costs.
Advanced Chip Technology: Uses top chips for strong Bitcoin hash power.
Compact Design: Fits at 445x215x295 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 Bitmain S21+?
The Bitmain S21+ excels in SHA-256 mining with 225 TH/s hashrate and 15.5 J/TH efficiency, ideal for all miners. Its compact design and easy software suit any scale, while $0.04/kWh hosting enhances profitability. With strong security, it’s perfect for maximizing 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.
Pre-order for June 1, 2025, and start mining Bitcoin efficiently—shipped or hosted. Contact us for bulk deals.