Product Description
The Bitmain Antminer S21 Pro is a professional-grade SHA-256 ASIC miner designed for Bitcoin mining and other compatible SHA-256 cryptocurrencies.
Built for miners who need a powerful and efficient hardware solution, the S21 Pro delivers a typical hashrate of 234 TH/s with power consumption of approximately 3510W and power efficiency of 15 J/TH under standard operating conditions.
This unit is sold brand new and ships from the United States. ASIC Miner Solutions provides free U.S. shipping, 30-day returns, and customer support before and after purchase.
The Antminer S21 Pro is best suited for customers with proper electrical capacity, ventilation, cooling, and noise control. Like most professional ASIC miners, it is high-powered hardware and may not be suitable for quiet residential spaces.
Mining profitability is not guaranteed. Actual results depend on electricity costs, mining difficulty, cryptocurrency market price, pool fees, hardware setup, cooling, ventilation, and operating conditions.
Key Features
- Brand-new Bitmain Antminer S21 Pro
- Designed for SHA-256 cryptocurrency mining
- Suitable for Bitcoin, Bitcoin Cash, and other SHA-256 coins
- Typical hashrate: 234 TH/s
- Power consumption: approximately 3510W
- Power efficiency: 15 J/TH
- Professional-grade ASIC mining hardware
- Built for high-performance Bitcoin mining setups
- Ethernet network connection
- Air-cooled mining system
- Free U.S. shipping
- 30-day return policy
- Warranty support available
Product Specifications
| Specification | Details |
|---|---|
| Product Name | Antminer S21 Pro |
| Brand | Bitmain |
| Product Type | ASIC Miner |
| Condition | Brand New |
| Algorithm | SHA-256 |
| Mineable Coins | Bitcoin, Bitcoin Cash, and other SHA-256 coins |
| Typical Hashrate | 234 TH/s |
| Power Consumption | 3510W |
| Power Efficiency | 15 J/TH |
| Cooling Type | Air cooling |
| Network Connection | Ethernet |
| Noise Level | High-noise mining hardware; not recommended for quiet indoor areas |
| Shipping | Free U.S. shipping |
| Estimated Delivery | Approximately 3 business days after payment confirmation |
| Returns | 30-day returns accepted |
| Return Shipping | Paid by ASIC Miner Solutions for approved U.S. returns |
| Warranty | Warranty support available; see Warranty Policy |
What’s Included
- Bitmain Antminer S21 Pro mining unit
- Included manufacturer accessories, where applicable
- Product documentation, where applicable
Note: Power cables, plug type, packaging, and included accessories may vary by batch or supplier. Please contact us before ordering if you need confirmation for a specific setup.
Shipping Information
This product ships from the United States.
ASIC Miner Solutions currently offers free standard shipping on all U.S. orders. Orders are usually processed within 1 business day after payment confirmation, and most U.S. orders are delivered within approximately 3 business days after payment confirmation.
Return Information
Eligible Antminer S21 Pro orders may be returned within 30 days of delivery.
ASIC Miner Solutions pays return shipping for approved U.S. returns. Returned items must include the miner, original accessories, packaging where available, and proof of purchase.
Please review our Return & Refund Policy before purchasing.
Warranty Notice
Warranty coverage may vary depending on product batch, manufacturer terms, and supplier terms.
Warranty may not cover damage caused by improper installation, overheating, poor ventilation, incorrect voltage, overclocking, unauthorized repair, firmware modification, liquid damage, fire damage, or physical damage after delivery.
Please review our Warranty Policy for full details.
Mining Performance Disclaimer
ASIC Miner Solutions does not guarantee mining profits, daily earnings, return on investment, coin output, or future resale value.
Mining performance depends on electricity cost, cryptocurrency market price, mining difficulty, mining pool fees, setup quality, cooling, ventilation, maintenance, and operating conditions. Customers should review all costs and risks before purchasing mining hardware.
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