• Bitmain Antminer S21 PRO 250Th Bitcoin Miner.-MINERS MARKET-MINERS MARKET
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KOALA MINERS

Bitmain Antminer S21 PRO Bitcoin Miner.

Bitmain Antminer S21 PRO Bitcoin Miner.

$4,229.00 USD
$6,299.00 USD $4,229.00 USD
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Shipping calculated at checkout.
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📦 Free worldwide shipping on all orders.

🔌 Power Supply (PSU) and all cables included

🛡️ 30-day buyer protection & free returns.

Model Antminer S21 PRO from Bitmain mining SHA-256 algorithm with a maximum hashrate of 234T/245T for a power consumption of 3550W.

Antminer S21 Pro specifications

Product Glance
Model                           S21 Pro
Algorithm | Cryptocurrency                           SHA256 | BTC/BCH/BSV
Hashrate, TH/s                           234-245
Power on wall @25°C, Watt                           3510
Power efficiency on wall @25°C, J/TH(1-1)                            15

 

Detailed Characteristics
Power efficiency on wall @40C,J/TH(1-2) 15.00
Reference Power on wall, W (1-3) 3510
DC input voltage range, V(1-4)  12V~15V
DC input current range, A 267.0
Adapted AC/DC output power requirement, W(1-5). 4000
Hardware Configuration
Ouantity ofhash chips 324
Quantity ofhash boards. 3
Networking connection mode RJ45 ethernet 10/100M
Miner Size (Length*Widthrrght, w/o package), mm 400*195*290
Net weight, kg 15.4
Noise, dBA @25C(2-1) 76
Environment Requirements
Operation temperature,C 0~45
Storage temperature,C -40~85
Operation humidity, RH 10~90%

 

Alternatively you can check for Bitmain Antminer S21 PRO Bitcoin Miner specs on ASICminervalue.com

 

 

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KOALA MINERS Services & Shipping

PSU Included & Free Shipping

Every ASIC miner purchased from KOALA MINERS comes with a power supply unit (PSU) included, and we offer free Australia-wide shipping on all orders. International shipping is also available on select models.

24/7 Customer Support

Our support team is available 24/7 to assist you with any questions about your mining equipment. You can reach us anytime at Support@KoalaMiners.com.au. We are committed to providing fast, reliable, and friendly Australian-based support.

Fast Order Processing

All orders are processed within 1–2 business days after payment confirmation. We prioritise efficient handling to ensure your equipment is dispatched as quickly as possible.

Australia-Wide & Global Delivery

We ship throughout Australia using Australia Post Express, StarTrack, DHL Express, and UPS. For added security, a signature is required upon delivery to ensure your package arrives safely. International customers can also enjoy secure, tracked, insured delivery.

Important Information Before Ordering

Custom Setup Included

We provide custom configuration and setup for all ASIC miner purchases, ensuring your equipment is ready to operate.

Beginner's Guide

New to mining? A downloadable Beginner’s Guide will be available in your account after completing your first order.

Terms of Service

Please review our Terms of Service before placing an order to understand warranty, returns, and operational guidelines.

Price Fluctuations

ASIC miner prices may fluctuate based on market conditions and manufacturer pricing. Our pricing updates regularly to reflect current availability and demand.

Risk Disclaimer

Cryptocurrency mining can be profitable but carries inherent risks due to market volatility, network difficulty, electricity costs, and equipment lifespan. Always perform your own due diligence before making mining investments.

Payment Methods

KOALA MINERS offers a variety of secure and convenient payment options to suit customers across Australia and worldwide. We currently accept:
Cryptocurrencies: Bitcoin (BTC) / Ethereum (ETH) / Tether USDT - USDC (TRC20 & ERC20) / Other cryptocurrencies (on request)
Credit Cards : We accept major credit cards, including: Visa / Mastercard / American Express . (Credit card payments may include taxes and additional processing fees depending on the issuing bank or gateway provider.)
Wire Transfer (Bank Transfer): We support domestic and international bank wire transfers. (Instructions for wire transfer payments are provided upon checkout or via invoice.)

Delivery Methods

  • Australia-Wide Delivery: Australia Post Express & StarTrack
  • International Delivery: DHL Express & UPS
  • Secure Handling: Signature on delivery to protect your order
  • Insured Shipping: All shipments are insured for your peace of mind

Support

The KOALA MINERS support team is always here to help you manage, set up, and operate your mining equipment. If you have any questions or require assistance, contact us at: 📧 Support@KoalaMiners.com.au